ref(node): Streamline mysql2 instrumentation - #21509

Merged
logaretm merged 4 commits into
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awad/js-2391-streamline-opentelemetryinstrumentation-mysql2
Jun 15, 2026
Merged

ref(node): Streamline mysql2 instrumentation#21509
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2

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@logaretmlogaretm commented Jun 12, 2026

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Streamlines the vendored mysql2 instrumentation to use Sentry's span APIs instead of the OpenTelemetry tracing API, and removes the code paths that are dead in Sentry's context.

Mirrors the approach in #21481 (mongoose).

Notes

Blockers for startSpan*

mysql2 ends its span manually since completion fires via stream events/callbacks after the sync wrapper returns, which startSpan's auto-end misses. Worse, the returned Query is thenable but not a real Promise with a .then that throws, so startSpan/startSpanManual would throw on every query. startInactiveSpan leaves the Query untouched.

Semantic Conventions Attributes

Dropping the OTEL_SEMCONV_STABILITY_OPT_IN path means mysql2 spans now always emit the legacy semantic-convention attributes (db.system, db.statement, db.connection_string, db.name, db.user, net.peer.*).

Modernizing the semconv is deferred as a separate, breaking change.

Fixes#20739

@linear-code

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JS-2391

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size-limit report 📦

PathSize% ChangeChange
@sentry/browser27.4 kB--
@sentry/browser - with treeshaking flags25.84 kB--
@sentry/browser (incl. Tracing)45.7 kB--
@sentry/browser (incl. Tracing + Span Streaming)47.94 kB--
@sentry/browser (incl. Tracing, Profiling)50.5 kB--
@sentry/browser (incl. Tracing, Replay)84.92 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags74.53 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)89.61 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)102.3 kB--
@sentry/browser (incl. Feedback)44.56 kB--
@sentry/browser (incl. sendFeedback)32.2 kB--
@sentry/browser (incl. FeedbackAsync)37.31 kB--
@sentry/browser (incl. Metrics)28.47 kB--
@sentry/browser (incl. Logs)28.71 kB--
@sentry/browser (incl. Metrics & Logs)29.4 kB--
@sentry/react29.2 kB--
@sentry/react (incl. Tracing)48 kB--
@sentry/vue32.42 kB--
@sentry/vue (incl. Tracing)47.59 kB--
@sentry/svelte27.42 kB--
CDN Bundle29.79 kB--
CDN Bundle (incl. Tracing)48.2 kB--
CDN Bundle (incl. Logs, Metrics)31.33 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)49.49 kB--
CDN Bundle (incl. Replay, Logs, Metrics)70.62 kB--
CDN Bundle (incl. Tracing, Replay)85.52 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)86.77 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)91.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)92.62 kB--
CDN Bundle - uncompressed88.59 kB--
CDN Bundle (incl. Tracing) - uncompressed145.8 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed93.29 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed149.77 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed218.12 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed264.67 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed268.63 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed278.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed282.31 kB--
@sentry/nextjs (client)50.45 kB--
@sentry/sveltekit (client)46.12 kB--
@sentry/core/server76.08 kB--
@sentry/core/browser63.22 kB--
@sentry/node-core61.72 kB-0.01%-2 B 🔽
@sentry/node130.18 kB-0.15%-184 B 🔽
@sentry/node - without tracing74.1 kB-0.01%-4 B 🔽
@sentry/aws-serverless86.35 kB-0.01%-2 B 🔽
@sentry/cloudflare (withSentry) - minified174.19 kB--
@sentry/cloudflare (withSentry)435.41 kB--

View base workflow run

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logaretm marked this pull request as ready for review June 12, 2026 16:24
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logaretm requested review from JPeer264, andreiborza, mydea and nicohrubec and removed request for a teamJune 12, 2026 16:24

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quite some removals

Comment thread.oxlintrc.base.json
"rules": {
"typescript/no-explicit-any": "off"
"typescript/no-explicit-any": "off",
"no-unsafe-member-access": "off",

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l: Is it necessary to add these (especially for all vendored integrations)?

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It was added in #21481 so depending on whichever gets merged first the other one will drop, this is a one time change only.

} from '@opentelemetry/semantic-conventions';

const PACKAGE_NAME = '@sentry/instrumentation-mysql2';
const ORIGIN = 'auto.db.otel.mysql2';

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l: I don't think that we should add otel in it, as it comes from us - but it was here before - so it might be better to keep it as is and change it later?

Suggested change
constORIGIN='auto.db.otel.mysql2';
constORIGIN='auto.db.mysql2';

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I think I'd opt to change all of these to something non-otel in v11, for now this indicates that it comes from otel instrumentation, which it still is (just our own)

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Yea, my goal was not to change anything in terms of output. So I try to keep all attrs intact.

@@ -0,0 +1,260 @@
/*
* The upstream @opentelemetry/instrumentation-mysql2 suite runs against a real

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m: should we move the tests requiring a fake to real integration tests?

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I think in this instrumentation case we can move most of the test cases to a real one. Will do that.

Refactors the vendored mysql2 instrumentation to use Sentry's span APIs
instead of the OpenTelemetry tracing API, and removes the config paths
that are dead in Sentry's context.
- Replace `tracer.startSpan` with `startInactiveSpan`. mysql2's `query`/
`execute` complete via stream events or a patched callback that fire
after the synchronous wrapper returns, so the span must outlive a sync
scope and is ended manually. `startSpan`/`startSpanManual` are unusable
here: the returned `Query` is thenable-but-not-a-Promise, and its core
`.then` is a trap that throws, so the promise-probing in
`handleCallbackErrors` would throw on every query.
- Bake the origin in via `SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN` instead of an
`index.ts` responseHook.
- Drop the `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission and the unused
`responseHook`, query masking, and SQL-commenter config. The
integration only ever passed the origin responseHook, so these were
unreachable. mysql2 spans now always emit the legacy semconv attributes
(`db.system`, `db.statement`, `net.peer.*`); op is derived downstream.
- Drop the blanket eslint-disable, type the module exports shallowly.
- Add unit tests against a fake connection and assert origin/db.statement
in the integration suite.
Fixes#20739
… test
The fake-connection unit test used a plain EventEmitter/callback, which is
not thenable and so masked mysql2's real thenable `Query` behavior. Move
that coverage to the real-package integration suite instead:
- scenario now also runs `execute` and a failing query
- integration test asserts the execute span and the errored span's
`internal_error` status
Replace the fake patch test with a focused pure-function unit test for
`getConnectionPrototypeToInstrument`, the only version-sensitive logic
(own-prototype vs. inherited base-class layout across mysql2 majors).
@logaretm
logaretmforce-pushed the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch from 7da4a80 to f03121fCompareJune 15, 2026 13:55
DB span descriptions are set to db.statement by parseSpanDescription, not
the getSpanName value. The new execute/error matchers asserted 'SELECT';
correct them to the full SQL like the existing matchers.
description: 'SELECT * FROM does_not_exist',
op: 'db',
status: 'internal_error',
origin: 'auto.db.otel.mysql2',

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Wrong error status assertion

Medium Severity

The failing-query expectation uses status: 'internal_error', but instrumentation sets span status with message: err.message. For a missing table, MySQL supplies a concrete message, so getStatusMessage returns that text rather than internal_error.

Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit 33dea13. Configure here.

@logaretm
logaretm requested a review from nicohrubecJune 15, 2026 14:54

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thanks!

responseHook?: MySQL2InstrumentationExecutionResponseHook;
addSqlCommenterCommentToQueries?: boolean;
}
export type MySQL2InstrumentationConfig = InstrumentationConfig;

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m: maybe let's just get rid of this file since it's now basically empty? 😅

@logaretmlogaretmJun 15, 2026

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Sure

The vendored types.ts had collapsed to a single re-export alias
(MySQL2InstrumentationConfig = InstrumentationConfig). Use
InstrumentationConfig directly in the instrumentation and delete the file.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

values = [_valuesOrCallback];
}
const { maskStatement, maskStatementHook, responseHook } = thisPlugin.getConfig();

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Error span status mismatches test

Medium Severity

Failed queries set the span status message to the raw MySQL err.message, while the new integration test expects status: 'internal_error'. Serialized span status uses that message verbatim, so the assertion and runtime behavior introduced in this change do not align.

Additional Locations (1)
Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

Comment on lines -151 to 158
attributes[ATTR_DB_SYSTEM_NAME] = DB_SYSTEM_NAME_VALUE_MYSQL;
attributes[ATTR_DB_QUERY_TEXT] = dbQueryText;
}

const span = thisPlugin.tracer.startSpan(getSpanName(query), {
kind: api.SpanKind.CLIENT,
const attributes: SpanAttributes = {
...getConnectionAttributes(this.config),
[ATTR_DB_SYSTEM]: DB_SYSTEM_VALUE_MYSQL,
[ATTR_DB_STATEMENT]: getQueryText(query, format, values),
[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: ORIGIN,
};

const span = startInactiveSpan({
name: getSpanName(query),
kind: SpanKind.CLIENT,
attributes,
});

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Bug: The mysql2 instrumentation incorrectly uses the 'result' event to end spans for streaming queries, causing premature span closure for multi-row queries and span leaks for zero-row queries.
Severity: HIGH

Suggested Fix

To correctly measure the full duration of the streaming query, the event listener should be bound to the 'end' event instead of the 'result' event. Change .once('result', () => { endSpan(); }); to .once('end', () => { endSpan(); });. This ensures the span is only closed after all rows have been received.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.
Location:
packages/node/src/integrations/tracing/mysql2/vendored/instrumentation.ts#L151-L158
Potential issue: The `mysql2` instrumentation for streaming queries incorrectly uses the
`'result'` event to end a trace span. The `'result'` event fires for each row returned
by the query. For queries that return multiple rows, this causes the span to end
prematurely after the first row, resulting in an inaccurate duration measurement. For
queries that return zero rows, the `'result'` event never fires, causing the span to
never be closed and leading to a resource leak.

Did we get this right? 👍 / 👎 to inform future reviews.

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While this looks technically correct, we need to preserve the upstream instrumentation and track this individually later.

@logaretm
logaretm merged commit 75c7fa5 into developJun 15, 2026
273 checks passed
@logaretm
logaretm deleted the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch June 15, 2026 17:42
logaretm added a commit that referenced this pull request Jun 15, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
logaretm added a commit that referenced this pull request Jun 18, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
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Streamline @opentelemetry/instrumentation-mysql2

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})();
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try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Skip to content

ref(node): Streamline mysql2 instrumentation - #21509

Merged
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2
Jun 15, 2026
Merged

ref(node): Streamline mysql2 instrumentation#21509
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2

Conversation

@logaretm

@logaretmlogaretm commented Jun 12, 2026

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Streamlines the vendored mysql2 instrumentation to use Sentry's span APIs instead of the OpenTelemetry tracing API, and removes the code paths that are dead in Sentry's context.

Mirrors the approach in #21481 (mongoose).

Notes

Blockers for startSpan*

mysql2 ends its span manually since completion fires via stream events/callbacks after the sync wrapper returns, which startSpan's auto-end misses. Worse, the returned Query is thenable but not a real Promise with a .then that throws, so startSpan/startSpanManual would throw on every query. startInactiveSpan leaves the Query untouched.

Semantic Conventions Attributes

Dropping the OTEL_SEMCONV_STABILITY_OPT_IN path means mysql2 spans now always emit the legacy semantic-convention attributes (db.system, db.statement, db.connection_string, db.name, db.user, net.peer.*).

Modernizing the semconv is deferred as a separate, breaking change.

Fixes#20739

@linear-code

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JS-2391

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github-actionsBot commented Jun 12, 2026

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size-limit report 📦

PathSize% ChangeChange
@sentry/browser27.4 kB--
@sentry/browser - with treeshaking flags25.84 kB--
@sentry/browser (incl. Tracing)45.7 kB--
@sentry/browser (incl. Tracing + Span Streaming)47.94 kB--
@sentry/browser (incl. Tracing, Profiling)50.5 kB--
@sentry/browser (incl. Tracing, Replay)84.92 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags74.53 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)89.61 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)102.3 kB--
@sentry/browser (incl. Feedback)44.56 kB--
@sentry/browser (incl. sendFeedback)32.2 kB--
@sentry/browser (incl. FeedbackAsync)37.31 kB--
@sentry/browser (incl. Metrics)28.47 kB--
@sentry/browser (incl. Logs)28.71 kB--
@sentry/browser (incl. Metrics & Logs)29.4 kB--
@sentry/react29.2 kB--
@sentry/react (incl. Tracing)48 kB--
@sentry/vue32.42 kB--
@sentry/vue (incl. Tracing)47.59 kB--
@sentry/svelte27.42 kB--
CDN Bundle29.79 kB--
CDN Bundle (incl. Tracing)48.2 kB--
CDN Bundle (incl. Logs, Metrics)31.33 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)49.49 kB--
CDN Bundle (incl. Replay, Logs, Metrics)70.62 kB--
CDN Bundle (incl. Tracing, Replay)85.52 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)86.77 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)91.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)92.62 kB--
CDN Bundle - uncompressed88.59 kB--
CDN Bundle (incl. Tracing) - uncompressed145.8 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed93.29 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed149.77 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed218.12 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed264.67 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed268.63 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed278.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed282.31 kB--
@sentry/nextjs (client)50.45 kB--
@sentry/sveltekit (client)46.12 kB--
@sentry/core/server76.08 kB--
@sentry/core/browser63.22 kB--
@sentry/node-core61.72 kB-0.01%-2 B 🔽
@sentry/node130.18 kB-0.15%-184 B 🔽
@sentry/node - without tracing74.1 kB-0.01%-4 B 🔽
@sentry/aws-serverless86.35 kB-0.01%-2 B 🔽
@sentry/cloudflare (withSentry) - minified174.19 kB--
@sentry/cloudflare (withSentry)435.41 kB--

View base workflow run

@logaretm
logaretm marked this pull request as ready for review June 12, 2026 16:24
@logaretm
logaretm requested a review from a team as a code ownerJune 12, 2026 16:24
@logaretm
logaretm requested review from JPeer264, andreiborza, mydea and nicohrubec and removed request for a teamJune 12, 2026 16:24

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quite some removals

Comment thread.oxlintrc.base.json
"rules": {
"typescript/no-explicit-any": "off"
"typescript/no-explicit-any": "off",
"no-unsafe-member-access": "off",

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l: Is it necessary to add these (especially for all vendored integrations)?

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It was added in #21481 so depending on whichever gets merged first the other one will drop, this is a one time change only.

} from '@opentelemetry/semantic-conventions';

const PACKAGE_NAME = '@sentry/instrumentation-mysql2';
const ORIGIN = 'auto.db.otel.mysql2';

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l: I don't think that we should add otel in it, as it comes from us - but it was here before - so it might be better to keep it as is and change it later?

Suggested change
constORIGIN='auto.db.otel.mysql2';
constORIGIN='auto.db.mysql2';

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I think I'd opt to change all of these to something non-otel in v11, for now this indicates that it comes from otel instrumentation, which it still is (just our own)

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Yea, my goal was not to change anything in terms of output. So I try to keep all attrs intact.

@@ -0,0 +1,260 @@
/*
* The upstream @opentelemetry/instrumentation-mysql2 suite runs against a real

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m: should we move the tests requiring a fake to real integration tests?

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I think in this instrumentation case we can move most of the test cases to a real one. Will do that.

Refactors the vendored mysql2 instrumentation to use Sentry's span APIs
instead of the OpenTelemetry tracing API, and removes the config paths
that are dead in Sentry's context.
- Replace `tracer.startSpan` with `startInactiveSpan`. mysql2's `query`/
`execute` complete via stream events or a patched callback that fire
after the synchronous wrapper returns, so the span must outlive a sync
scope and is ended manually. `startSpan`/`startSpanManual` are unusable
here: the returned `Query` is thenable-but-not-a-Promise, and its core
`.then` is a trap that throws, so the promise-probing in
`handleCallbackErrors` would throw on every query.
- Bake the origin in via `SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN` instead of an
`index.ts` responseHook.
- Drop the `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission and the unused
`responseHook`, query masking, and SQL-commenter config. The
integration only ever passed the origin responseHook, so these were
unreachable. mysql2 spans now always emit the legacy semconv attributes
(`db.system`, `db.statement`, `net.peer.*`); op is derived downstream.
- Drop the blanket eslint-disable, type the module exports shallowly.
- Add unit tests against a fake connection and assert origin/db.statement
in the integration suite.
Fixes#20739
… test
The fake-connection unit test used a plain EventEmitter/callback, which is
not thenable and so masked mysql2's real thenable `Query` behavior. Move
that coverage to the real-package integration suite instead:
- scenario now also runs `execute` and a failing query
- integration test asserts the execute span and the errored span's
`internal_error` status
Replace the fake patch test with a focused pure-function unit test for
`getConnectionPrototypeToInstrument`, the only version-sensitive logic
(own-prototype vs. inherited base-class layout across mysql2 majors).
@logaretm
logaretmforce-pushed the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch from 7da4a80 to f03121fCompareJune 15, 2026 13:55
DB span descriptions are set to db.statement by parseSpanDescription, not
the getSpanName value. The new execute/error matchers asserted 'SELECT';
correct them to the full SQL like the existing matchers.
description: 'SELECT * FROM does_not_exist',
op: 'db',
status: 'internal_error',
origin: 'auto.db.otel.mysql2',

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Wrong error status assertion

Medium Severity

The failing-query expectation uses status: 'internal_error', but instrumentation sets span status with message: err.message. For a missing table, MySQL supplies a concrete message, so getStatusMessage returns that text rather than internal_error.

Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit 33dea13. Configure here.

@logaretm
logaretm requested a review from nicohrubecJune 15, 2026 14:54

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thanks!

responseHook?: MySQL2InstrumentationExecutionResponseHook;
addSqlCommenterCommentToQueries?: boolean;
}
export type MySQL2InstrumentationConfig = InstrumentationConfig;

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m: maybe let's just get rid of this file since it's now basically empty? 😅

@logaretmlogaretmJun 15, 2026

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Sure

The vendored types.ts had collapsed to a single re-export alias
(MySQL2InstrumentationConfig = InstrumentationConfig). Use
InstrumentationConfig directly in the instrumentation and delete the file.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

values = [_valuesOrCallback];
}
const { maskStatement, maskStatementHook, responseHook } = thisPlugin.getConfig();

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Error span status mismatches test

Medium Severity

Failed queries set the span status message to the raw MySQL err.message, while the new integration test expects status: 'internal_error'. Serialized span status uses that message verbatim, so the assertion and runtime behavior introduced in this change do not align.

Additional Locations (1)
Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

Comment on lines -151 to 158
attributes[ATTR_DB_SYSTEM_NAME] = DB_SYSTEM_NAME_VALUE_MYSQL;
attributes[ATTR_DB_QUERY_TEXT] = dbQueryText;
}

const span = thisPlugin.tracer.startSpan(getSpanName(query), {
kind: api.SpanKind.CLIENT,
const attributes: SpanAttributes = {
...getConnectionAttributes(this.config),
[ATTR_DB_SYSTEM]: DB_SYSTEM_VALUE_MYSQL,
[ATTR_DB_STATEMENT]: getQueryText(query, format, values),
[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: ORIGIN,
};

const span = startInactiveSpan({
name: getSpanName(query),
kind: SpanKind.CLIENT,
attributes,
});

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Bug: The mysql2 instrumentation incorrectly uses the 'result' event to end spans for streaming queries, causing premature span closure for multi-row queries and span leaks for zero-row queries.
Severity: HIGH

Suggested Fix

To correctly measure the full duration of the streaming query, the event listener should be bound to the 'end' event instead of the 'result' event. Change .once('result', () => { endSpan(); }); to .once('end', () => { endSpan(); });. This ensures the span is only closed after all rows have been received.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.
Location:
packages/node/src/integrations/tracing/mysql2/vendored/instrumentation.ts#L151-L158
Potential issue: The `mysql2` instrumentation for streaming queries incorrectly uses the
`'result'` event to end a trace span. The `'result'` event fires for each row returned
by the query. For queries that return multiple rows, this causes the span to end
prematurely after the first row, resulting in an inaccurate duration measurement. For
queries that return zero rows, the `'result'` event never fires, causing the span to
never be closed and leading to a resource leak.

Did we get this right? 👍 / 👎 to inform future reviews.

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While this looks technically correct, we need to preserve the upstream instrumentation and track this individually later.

@logaretm
logaretm merged commit 75c7fa5 into developJun 15, 2026
273 checks passed
@logaretm
logaretm deleted the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch June 15, 2026 17:42
logaretm added a commit that referenced this pull request Jun 15, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
logaretm added a commit that referenced this pull request Jun 18, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
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Streamline @opentelemetry/instrumentation-mysql2

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@logaretm@mydea@JPeer264@nicohrubec
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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ref(node): Streamline mysql2 instrumentation - #21509

Merged
logaretm merged 4 commits into
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awad/js-2391-streamline-opentelemetryinstrumentation-mysql2
Jun 15, 2026
Merged

ref(node): Streamline mysql2 instrumentation#21509
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2

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@logaretm

@logaretmlogaretm commented Jun 12, 2026

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Streamlines the vendored mysql2 instrumentation to use Sentry's span APIs instead of the OpenTelemetry tracing API, and removes the code paths that are dead in Sentry's context.

Mirrors the approach in #21481 (mongoose).

Notes

Blockers for startSpan*

mysql2 ends its span manually since completion fires via stream events/callbacks after the sync wrapper returns, which startSpan's auto-end misses. Worse, the returned Query is thenable but not a real Promise with a .then that throws, so startSpan/startSpanManual would throw on every query. startInactiveSpan leaves the Query untouched.

Semantic Conventions Attributes

Dropping the OTEL_SEMCONV_STABILITY_OPT_IN path means mysql2 spans now always emit the legacy semantic-convention attributes (db.system, db.statement, db.connection_string, db.name, db.user, net.peer.*).

Modernizing the semconv is deferred as a separate, breaking change.

Fixes#20739

@linear-code

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JS-2391

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github-actionsBot commented Jun 12, 2026

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size-limit report 📦

PathSize% ChangeChange
@sentry/browser27.4 kB--
@sentry/browser - with treeshaking flags25.84 kB--
@sentry/browser (incl. Tracing)45.7 kB--
@sentry/browser (incl. Tracing + Span Streaming)47.94 kB--
@sentry/browser (incl. Tracing, Profiling)50.5 kB--
@sentry/browser (incl. Tracing, Replay)84.92 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags74.53 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)89.61 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)102.3 kB--
@sentry/browser (incl. Feedback)44.56 kB--
@sentry/browser (incl. sendFeedback)32.2 kB--
@sentry/browser (incl. FeedbackAsync)37.31 kB--
@sentry/browser (incl. Metrics)28.47 kB--
@sentry/browser (incl. Logs)28.71 kB--
@sentry/browser (incl. Metrics & Logs)29.4 kB--
@sentry/react29.2 kB--
@sentry/react (incl. Tracing)48 kB--
@sentry/vue32.42 kB--
@sentry/vue (incl. Tracing)47.59 kB--
@sentry/svelte27.42 kB--
CDN Bundle29.79 kB--
CDN Bundle (incl. Tracing)48.2 kB--
CDN Bundle (incl. Logs, Metrics)31.33 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)49.49 kB--
CDN Bundle (incl. Replay, Logs, Metrics)70.62 kB--
CDN Bundle (incl. Tracing, Replay)85.52 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)86.77 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)91.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)92.62 kB--
CDN Bundle - uncompressed88.59 kB--
CDN Bundle (incl. Tracing) - uncompressed145.8 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed93.29 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed149.77 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed218.12 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed264.67 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed268.63 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed278.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed282.31 kB--
@sentry/nextjs (client)50.45 kB--
@sentry/sveltekit (client)46.12 kB--
@sentry/core/server76.08 kB--
@sentry/core/browser63.22 kB--
@sentry/node-core61.72 kB-0.01%-2 B 🔽
@sentry/node130.18 kB-0.15%-184 B 🔽
@sentry/node - without tracing74.1 kB-0.01%-4 B 🔽
@sentry/aws-serverless86.35 kB-0.01%-2 B 🔽
@sentry/cloudflare (withSentry) - minified174.19 kB--
@sentry/cloudflare (withSentry)435.41 kB--

View base workflow run

@logaretm
logaretm marked this pull request as ready for review June 12, 2026 16:24
@logaretm
logaretm requested a review from a team as a code ownerJune 12, 2026 16:24
@logaretm
logaretm requested review from JPeer264, andreiborza, mydea and nicohrubec and removed request for a teamJune 12, 2026 16:24

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quite some removals

Comment thread.oxlintrc.base.json
"rules": {
"typescript/no-explicit-any": "off"
"typescript/no-explicit-any": "off",
"no-unsafe-member-access": "off",

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l: Is it necessary to add these (especially for all vendored integrations)?

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It was added in #21481 so depending on whichever gets merged first the other one will drop, this is a one time change only.

} from '@opentelemetry/semantic-conventions';

const PACKAGE_NAME = '@sentry/instrumentation-mysql2';
const ORIGIN = 'auto.db.otel.mysql2';

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l: I don't think that we should add otel in it, as it comes from us - but it was here before - so it might be better to keep it as is and change it later?

Suggested change
constORIGIN='auto.db.otel.mysql2';
constORIGIN='auto.db.mysql2';

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I think I'd opt to change all of these to something non-otel in v11, for now this indicates that it comes from otel instrumentation, which it still is (just our own)

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Yea, my goal was not to change anything in terms of output. So I try to keep all attrs intact.

@@ -0,0 +1,260 @@
/*
* The upstream @opentelemetry/instrumentation-mysql2 suite runs against a real

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m: should we move the tests requiring a fake to real integration tests?

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I think in this instrumentation case we can move most of the test cases to a real one. Will do that.

Refactors the vendored mysql2 instrumentation to use Sentry's span APIs
instead of the OpenTelemetry tracing API, and removes the config paths
that are dead in Sentry's context.
- Replace `tracer.startSpan` with `startInactiveSpan`. mysql2's `query`/
`execute` complete via stream events or a patched callback that fire
after the synchronous wrapper returns, so the span must outlive a sync
scope and is ended manually. `startSpan`/`startSpanManual` are unusable
here: the returned `Query` is thenable-but-not-a-Promise, and its core
`.then` is a trap that throws, so the promise-probing in
`handleCallbackErrors` would throw on every query.
- Bake the origin in via `SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN` instead of an
`index.ts` responseHook.
- Drop the `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission and the unused
`responseHook`, query masking, and SQL-commenter config. The
integration only ever passed the origin responseHook, so these were
unreachable. mysql2 spans now always emit the legacy semconv attributes
(`db.system`, `db.statement`, `net.peer.*`); op is derived downstream.
- Drop the blanket eslint-disable, type the module exports shallowly.
- Add unit tests against a fake connection and assert origin/db.statement
in the integration suite.
Fixes#20739
… test
The fake-connection unit test used a plain EventEmitter/callback, which is
not thenable and so masked mysql2's real thenable `Query` behavior. Move
that coverage to the real-package integration suite instead:
- scenario now also runs `execute` and a failing query
- integration test asserts the execute span and the errored span's
`internal_error` status
Replace the fake patch test with a focused pure-function unit test for
`getConnectionPrototypeToInstrument`, the only version-sensitive logic
(own-prototype vs. inherited base-class layout across mysql2 majors).
@logaretm
logaretmforce-pushed the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch from 7da4a80 to f03121fCompareJune 15, 2026 13:55
DB span descriptions are set to db.statement by parseSpanDescription, not
the getSpanName value. The new execute/error matchers asserted 'SELECT';
correct them to the full SQL like the existing matchers.
description: 'SELECT * FROM does_not_exist',
op: 'db',
status: 'internal_error',
origin: 'auto.db.otel.mysql2',

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Wrong error status assertion

Medium Severity

The failing-query expectation uses status: 'internal_error', but instrumentation sets span status with message: err.message. For a missing table, MySQL supplies a concrete message, so getStatusMessage returns that text rather than internal_error.

Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit 33dea13. Configure here.

@logaretm
logaretm requested a review from nicohrubecJune 15, 2026 14:54

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thanks!

responseHook?: MySQL2InstrumentationExecutionResponseHook;
addSqlCommenterCommentToQueries?: boolean;
}
export type MySQL2InstrumentationConfig = InstrumentationConfig;

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m: maybe let's just get rid of this file since it's now basically empty? 😅

@logaretmlogaretmJun 15, 2026

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Sure

The vendored types.ts had collapsed to a single re-export alias
(MySQL2InstrumentationConfig = InstrumentationConfig). Use
InstrumentationConfig directly in the instrumentation and delete the file.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

values = [_valuesOrCallback];
}
const { maskStatement, maskStatementHook, responseHook } = thisPlugin.getConfig();

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Error span status mismatches test

Medium Severity

Failed queries set the span status message to the raw MySQL err.message, while the new integration test expects status: 'internal_error'. Serialized span status uses that message verbatim, so the assertion and runtime behavior introduced in this change do not align.

Additional Locations (1)
Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

Comment on lines -151 to 158
attributes[ATTR_DB_SYSTEM_NAME] = DB_SYSTEM_NAME_VALUE_MYSQL;
attributes[ATTR_DB_QUERY_TEXT] = dbQueryText;
}

const span = thisPlugin.tracer.startSpan(getSpanName(query), {
kind: api.SpanKind.CLIENT,
const attributes: SpanAttributes = {
...getConnectionAttributes(this.config),
[ATTR_DB_SYSTEM]: DB_SYSTEM_VALUE_MYSQL,
[ATTR_DB_STATEMENT]: getQueryText(query, format, values),
[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: ORIGIN,
};

const span = startInactiveSpan({
name: getSpanName(query),
kind: SpanKind.CLIENT,
attributes,
});

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Bug: The mysql2 instrumentation incorrectly uses the 'result' event to end spans for streaming queries, causing premature span closure for multi-row queries and span leaks for zero-row queries.
Severity: HIGH

Suggested Fix

To correctly measure the full duration of the streaming query, the event listener should be bound to the 'end' event instead of the 'result' event. Change .once('result', () => { endSpan(); }); to .once('end', () => { endSpan(); });. This ensures the span is only closed after all rows have been received.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.
Location:
packages/node/src/integrations/tracing/mysql2/vendored/instrumentation.ts#L151-L158
Potential issue: The `mysql2` instrumentation for streaming queries incorrectly uses the
`'result'` event to end a trace span. The `'result'` event fires for each row returned
by the query. For queries that return multiple rows, this causes the span to end
prematurely after the first row, resulting in an inaccurate duration measurement. For
queries that return zero rows, the `'result'` event never fires, causing the span to
never be closed and leading to a resource leak.

Did we get this right? 👍 / 👎 to inform future reviews.

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While this looks technically correct, we need to preserve the upstream instrumentation and track this individually later.

@logaretm
logaretm merged commit 75c7fa5 into developJun 15, 2026
273 checks passed
@logaretm
logaretm deleted the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch June 15, 2026 17:42
logaretm added a commit that referenced this pull request Jun 15, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
logaretm added a commit that referenced this pull request Jun 18, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
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Streamline @opentelemetry/instrumentation-mysql2

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@logaretm@mydea@JPeer264@nicohrubec
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

ref(node): Streamline mysql2 instrumentation - #21509

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logaretm merged 4 commits into
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Jun 15, 2026
Merged

ref(node): Streamline mysql2 instrumentation#21509
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2

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@logaretmlogaretm commented Jun 12, 2026

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Streamlines the vendored mysql2 instrumentation to use Sentry's span APIs instead of the OpenTelemetry tracing API, and removes the code paths that are dead in Sentry's context.

Mirrors the approach in #21481 (mongoose).

Notes

Blockers for startSpan*

mysql2 ends its span manually since completion fires via stream events/callbacks after the sync wrapper returns, which startSpan's auto-end misses. Worse, the returned Query is thenable but not a real Promise with a .then that throws, so startSpan/startSpanManual would throw on every query. startInactiveSpan leaves the Query untouched.

Semantic Conventions Attributes

Dropping the OTEL_SEMCONV_STABILITY_OPT_IN path means mysql2 spans now always emit the legacy semantic-convention attributes (db.system, db.statement, db.connection_string, db.name, db.user, net.peer.*).

Modernizing the semconv is deferred as a separate, breaking change.

Fixes#20739

@linear-code

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JS-2391

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size-limit report 📦

PathSize% ChangeChange
@sentry/browser27.4 kB--
@sentry/browser - with treeshaking flags25.84 kB--
@sentry/browser (incl. Tracing)45.7 kB--
@sentry/browser (incl. Tracing + Span Streaming)47.94 kB--
@sentry/browser (incl. Tracing, Profiling)50.5 kB--
@sentry/browser (incl. Tracing, Replay)84.92 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags74.53 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)89.61 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)102.3 kB--
@sentry/browser (incl. Feedback)44.56 kB--
@sentry/browser (incl. sendFeedback)32.2 kB--
@sentry/browser (incl. FeedbackAsync)37.31 kB--
@sentry/browser (incl. Metrics)28.47 kB--
@sentry/browser (incl. Logs)28.71 kB--
@sentry/browser (incl. Metrics & Logs)29.4 kB--
@sentry/react29.2 kB--
@sentry/react (incl. Tracing)48 kB--
@sentry/vue32.42 kB--
@sentry/vue (incl. Tracing)47.59 kB--
@sentry/svelte27.42 kB--
CDN Bundle29.79 kB--
CDN Bundle (incl. Tracing)48.2 kB--
CDN Bundle (incl. Logs, Metrics)31.33 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)49.49 kB--
CDN Bundle (incl. Replay, Logs, Metrics)70.62 kB--
CDN Bundle (incl. Tracing, Replay)85.52 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)86.77 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)91.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)92.62 kB--
CDN Bundle - uncompressed88.59 kB--
CDN Bundle (incl. Tracing) - uncompressed145.8 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed93.29 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed149.77 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed218.12 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed264.67 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed268.63 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed278.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed282.31 kB--
@sentry/nextjs (client)50.45 kB--
@sentry/sveltekit (client)46.12 kB--
@sentry/core/server76.08 kB--
@sentry/core/browser63.22 kB--
@sentry/node-core61.72 kB-0.01%-2 B 🔽
@sentry/node130.18 kB-0.15%-184 B 🔽
@sentry/node - without tracing74.1 kB-0.01%-4 B 🔽
@sentry/aws-serverless86.35 kB-0.01%-2 B 🔽
@sentry/cloudflare (withSentry) - minified174.19 kB--
@sentry/cloudflare (withSentry)435.41 kB--

View base workflow run

@logaretm
logaretm marked this pull request as ready for review June 12, 2026 16:24
@logaretm
logaretm requested a review from a team as a code ownerJune 12, 2026 16:24
@logaretm
logaretm requested review from JPeer264, andreiborza, mydea and nicohrubec and removed request for a teamJune 12, 2026 16:24

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quite some removals

Comment thread.oxlintrc.base.json
"rules": {
"typescript/no-explicit-any": "off"
"typescript/no-explicit-any": "off",
"no-unsafe-member-access": "off",

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l: Is it necessary to add these (especially for all vendored integrations)?

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It was added in #21481 so depending on whichever gets merged first the other one will drop, this is a one time change only.

} from '@opentelemetry/semantic-conventions';

const PACKAGE_NAME = '@sentry/instrumentation-mysql2';
const ORIGIN = 'auto.db.otel.mysql2';

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l: I don't think that we should add otel in it, as it comes from us - but it was here before - so it might be better to keep it as is and change it later?

Suggested change
constORIGIN='auto.db.otel.mysql2';
constORIGIN='auto.db.mysql2';

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I think I'd opt to change all of these to something non-otel in v11, for now this indicates that it comes from otel instrumentation, which it still is (just our own)

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Yea, my goal was not to change anything in terms of output. So I try to keep all attrs intact.

@@ -0,0 +1,260 @@
/*
* The upstream @opentelemetry/instrumentation-mysql2 suite runs against a real

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m: should we move the tests requiring a fake to real integration tests?

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I think in this instrumentation case we can move most of the test cases to a real one. Will do that.

Refactors the vendored mysql2 instrumentation to use Sentry's span APIs
instead of the OpenTelemetry tracing API, and removes the config paths
that are dead in Sentry's context.
- Replace `tracer.startSpan` with `startInactiveSpan`. mysql2's `query`/
`execute` complete via stream events or a patched callback that fire
after the synchronous wrapper returns, so the span must outlive a sync
scope and is ended manually. `startSpan`/`startSpanManual` are unusable
here: the returned `Query` is thenable-but-not-a-Promise, and its core
`.then` is a trap that throws, so the promise-probing in
`handleCallbackErrors` would throw on every query.
- Bake the origin in via `SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN` instead of an
`index.ts` responseHook.
- Drop the `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission and the unused
`responseHook`, query masking, and SQL-commenter config. The
integration only ever passed the origin responseHook, so these were
unreachable. mysql2 spans now always emit the legacy semconv attributes
(`db.system`, `db.statement`, `net.peer.*`); op is derived downstream.
- Drop the blanket eslint-disable, type the module exports shallowly.
- Add unit tests against a fake connection and assert origin/db.statement
in the integration suite.
Fixes#20739
… test
The fake-connection unit test used a plain EventEmitter/callback, which is
not thenable and so masked mysql2's real thenable `Query` behavior. Move
that coverage to the real-package integration suite instead:
- scenario now also runs `execute` and a failing query
- integration test asserts the execute span and the errored span's
`internal_error` status
Replace the fake patch test with a focused pure-function unit test for
`getConnectionPrototypeToInstrument`, the only version-sensitive logic
(own-prototype vs. inherited base-class layout across mysql2 majors).
@logaretm
logaretmforce-pushed the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch from 7da4a80 to f03121fCompareJune 15, 2026 13:55
DB span descriptions are set to db.statement by parseSpanDescription, not
the getSpanName value. The new execute/error matchers asserted 'SELECT';
correct them to the full SQL like the existing matchers.
description: 'SELECT * FROM does_not_exist',
op: 'db',
status: 'internal_error',
origin: 'auto.db.otel.mysql2',

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Wrong error status assertion

Medium Severity

The failing-query expectation uses status: 'internal_error', but instrumentation sets span status with message: err.message. For a missing table, MySQL supplies a concrete message, so getStatusMessage returns that text rather than internal_error.

Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit 33dea13. Configure here.

@logaretm
logaretm requested a review from nicohrubecJune 15, 2026 14:54

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thanks!

responseHook?: MySQL2InstrumentationExecutionResponseHook;
addSqlCommenterCommentToQueries?: boolean;
}
export type MySQL2InstrumentationConfig = InstrumentationConfig;

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m: maybe let's just get rid of this file since it's now basically empty? 😅

@logaretmlogaretmJun 15, 2026

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Sure

The vendored types.ts had collapsed to a single re-export alias
(MySQL2InstrumentationConfig = InstrumentationConfig). Use
InstrumentationConfig directly in the instrumentation and delete the file.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

values = [_valuesOrCallback];
}
const { maskStatement, maskStatementHook, responseHook } = thisPlugin.getConfig();

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Error span status mismatches test

Medium Severity

Failed queries set the span status message to the raw MySQL err.message, while the new integration test expects status: 'internal_error'. Serialized span status uses that message verbatim, so the assertion and runtime behavior introduced in this change do not align.

Additional Locations (1)
Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

Comment on lines -151 to 158
attributes[ATTR_DB_SYSTEM_NAME] = DB_SYSTEM_NAME_VALUE_MYSQL;
attributes[ATTR_DB_QUERY_TEXT] = dbQueryText;
}

const span = thisPlugin.tracer.startSpan(getSpanName(query), {
kind: api.SpanKind.CLIENT,
const attributes: SpanAttributes = {
...getConnectionAttributes(this.config),
[ATTR_DB_SYSTEM]: DB_SYSTEM_VALUE_MYSQL,
[ATTR_DB_STATEMENT]: getQueryText(query, format, values),
[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: ORIGIN,
};

const span = startInactiveSpan({
name: getSpanName(query),
kind: SpanKind.CLIENT,
attributes,
});

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Bug: The mysql2 instrumentation incorrectly uses the 'result' event to end spans for streaming queries, causing premature span closure for multi-row queries and span leaks for zero-row queries.
Severity: HIGH

Suggested Fix

To correctly measure the full duration of the streaming query, the event listener should be bound to the 'end' event instead of the 'result' event. Change .once('result', () => { endSpan(); }); to .once('end', () => { endSpan(); });. This ensures the span is only closed after all rows have been received.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.
Location:
packages/node/src/integrations/tracing/mysql2/vendored/instrumentation.ts#L151-L158
Potential issue: The `mysql2` instrumentation for streaming queries incorrectly uses the
`'result'` event to end a trace span. The `'result'` event fires for each row returned
by the query. For queries that return multiple rows, this causes the span to end
prematurely after the first row, resulting in an inaccurate duration measurement. For
queries that return zero rows, the `'result'` event never fires, causing the span to
never be closed and leading to a resource leak.

Did we get this right? 👍 / 👎 to inform future reviews.

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While this looks technically correct, we need to preserve the upstream instrumentation and track this individually later.

@logaretm
logaretm merged commit 75c7fa5 into developJun 15, 2026
273 checks passed
@logaretm
logaretm deleted the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch June 15, 2026 17:42
logaretm added a commit that referenced this pull request Jun 15, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
logaretm added a commit that referenced this pull request Jun 18, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
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Successfully merging this pull request may close these issues.

Streamline @opentelemetry/instrumentation-mysql2

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@logaretm@mydea@JPeer264@nicohrubec
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content

ref(node): Streamline mysql2 instrumentation - #21509

Merged
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2
Jun 15, 2026
Merged

ref(node): Streamline mysql2 instrumentation#21509
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2

Conversation

@logaretm

@logaretmlogaretm commented Jun 12, 2026

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Streamlines the vendored mysql2 instrumentation to use Sentry's span APIs instead of the OpenTelemetry tracing API, and removes the code paths that are dead in Sentry's context.

Mirrors the approach in #21481 (mongoose).

Notes

Blockers for startSpan*

mysql2 ends its span manually since completion fires via stream events/callbacks after the sync wrapper returns, which startSpan's auto-end misses. Worse, the returned Query is thenable but not a real Promise with a .then that throws, so startSpan/startSpanManual would throw on every query. startInactiveSpan leaves the Query untouched.

Semantic Conventions Attributes

Dropping the OTEL_SEMCONV_STABILITY_OPT_IN path means mysql2 spans now always emit the legacy semantic-convention attributes (db.system, db.statement, db.connection_string, db.name, db.user, net.peer.*).

Modernizing the semconv is deferred as a separate, breaking change.

Fixes#20739

@linear-code

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JS-2391

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size-limit report 📦

PathSize% ChangeChange
@sentry/browser27.4 kB--
@sentry/browser - with treeshaking flags25.84 kB--
@sentry/browser (incl. Tracing)45.7 kB--
@sentry/browser (incl. Tracing + Span Streaming)47.94 kB--
@sentry/browser (incl. Tracing, Profiling)50.5 kB--
@sentry/browser (incl. Tracing, Replay)84.92 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags74.53 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)89.61 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)102.3 kB--
@sentry/browser (incl. Feedback)44.56 kB--
@sentry/browser (incl. sendFeedback)32.2 kB--
@sentry/browser (incl. FeedbackAsync)37.31 kB--
@sentry/browser (incl. Metrics)28.47 kB--
@sentry/browser (incl. Logs)28.71 kB--
@sentry/browser (incl. Metrics & Logs)29.4 kB--
@sentry/react29.2 kB--
@sentry/react (incl. Tracing)48 kB--
@sentry/vue32.42 kB--
@sentry/vue (incl. Tracing)47.59 kB--
@sentry/svelte27.42 kB--
CDN Bundle29.79 kB--
CDN Bundle (incl. Tracing)48.2 kB--
CDN Bundle (incl. Logs, Metrics)31.33 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)49.49 kB--
CDN Bundle (incl. Replay, Logs, Metrics)70.62 kB--
CDN Bundle (incl. Tracing, Replay)85.52 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)86.77 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)91.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)92.62 kB--
CDN Bundle - uncompressed88.59 kB--
CDN Bundle (incl. Tracing) - uncompressed145.8 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed93.29 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed149.77 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed218.12 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed264.67 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed268.63 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed278.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed282.31 kB--
@sentry/nextjs (client)50.45 kB--
@sentry/sveltekit (client)46.12 kB--
@sentry/core/server76.08 kB--
@sentry/core/browser63.22 kB--
@sentry/node-core61.72 kB-0.01%-2 B 🔽
@sentry/node130.18 kB-0.15%-184 B 🔽
@sentry/node - without tracing74.1 kB-0.01%-4 B 🔽
@sentry/aws-serverless86.35 kB-0.01%-2 B 🔽
@sentry/cloudflare (withSentry) - minified174.19 kB--
@sentry/cloudflare (withSentry)435.41 kB--

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quite some removals

Comment thread.oxlintrc.base.json
"rules": {
"typescript/no-explicit-any": "off"
"typescript/no-explicit-any": "off",
"no-unsafe-member-access": "off",

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l: Is it necessary to add these (especially for all vendored integrations)?

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It was added in #21481 so depending on whichever gets merged first the other one will drop, this is a one time change only.

} from '@opentelemetry/semantic-conventions';

const PACKAGE_NAME = '@sentry/instrumentation-mysql2';
const ORIGIN = 'auto.db.otel.mysql2';

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l: I don't think that we should add otel in it, as it comes from us - but it was here before - so it might be better to keep it as is and change it later?

Suggested change
constORIGIN='auto.db.otel.mysql2';
constORIGIN='auto.db.mysql2';

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I think I'd opt to change all of these to something non-otel in v11, for now this indicates that it comes from otel instrumentation, which it still is (just our own)

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Yea, my goal was not to change anything in terms of output. So I try to keep all attrs intact.

@@ -0,0 +1,260 @@
/*
* The upstream @opentelemetry/instrumentation-mysql2 suite runs against a real

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m: should we move the tests requiring a fake to real integration tests?

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I think in this instrumentation case we can move most of the test cases to a real one. Will do that.

Refactors the vendored mysql2 instrumentation to use Sentry's span APIs
instead of the OpenTelemetry tracing API, and removes the config paths
that are dead in Sentry's context.
- Replace `tracer.startSpan` with `startInactiveSpan`. mysql2's `query`/
`execute` complete via stream events or a patched callback that fire
after the synchronous wrapper returns, so the span must outlive a sync
scope and is ended manually. `startSpan`/`startSpanManual` are unusable
here: the returned `Query` is thenable-but-not-a-Promise, and its core
`.then` is a trap that throws, so the promise-probing in
`handleCallbackErrors` would throw on every query.
- Bake the origin in via `SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN` instead of an
`index.ts` responseHook.
- Drop the `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission and the unused
`responseHook`, query masking, and SQL-commenter config. The
integration only ever passed the origin responseHook, so these were
unreachable. mysql2 spans now always emit the legacy semconv attributes
(`db.system`, `db.statement`, `net.peer.*`); op is derived downstream.
- Drop the blanket eslint-disable, type the module exports shallowly.
- Add unit tests against a fake connection and assert origin/db.statement
in the integration suite.
Fixes#20739
… test
The fake-connection unit test used a plain EventEmitter/callback, which is
not thenable and so masked mysql2's real thenable `Query` behavior. Move
that coverage to the real-package integration suite instead:
- scenario now also runs `execute` and a failing query
- integration test asserts the execute span and the errored span's
`internal_error` status
Replace the fake patch test with a focused pure-function unit test for
`getConnectionPrototypeToInstrument`, the only version-sensitive logic
(own-prototype vs. inherited base-class layout across mysql2 majors).
@logaretm
logaretmforce-pushed the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch from 7da4a80 to f03121fCompareJune 15, 2026 13:55
DB span descriptions are set to db.statement by parseSpanDescription, not
the getSpanName value. The new execute/error matchers asserted 'SELECT';
correct them to the full SQL like the existing matchers.
description: 'SELECT * FROM does_not_exist',
op: 'db',
status: 'internal_error',
origin: 'auto.db.otel.mysql2',

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Wrong error status assertion

Medium Severity

The failing-query expectation uses status: 'internal_error', but instrumentation sets span status with message: err.message. For a missing table, MySQL supplies a concrete message, so getStatusMessage returns that text rather than internal_error.

Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit 33dea13. Configure here.

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logaretm requested a review from nicohrubecJune 15, 2026 14:54

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thanks!

responseHook?: MySQL2InstrumentationExecutionResponseHook;
addSqlCommenterCommentToQueries?: boolean;
}
export type MySQL2InstrumentationConfig = InstrumentationConfig;

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m: maybe let's just get rid of this file since it's now basically empty? 😅

@logaretmlogaretmJun 15, 2026

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Sure

The vendored types.ts had collapsed to a single re-export alias
(MySQL2InstrumentationConfig = InstrumentationConfig). Use
InstrumentationConfig directly in the instrumentation and delete the file.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

values = [_valuesOrCallback];
}
const { maskStatement, maskStatementHook, responseHook } = thisPlugin.getConfig();

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Error span status mismatches test

Medium Severity

Failed queries set the span status message to the raw MySQL err.message, while the new integration test expects status: 'internal_error'. Serialized span status uses that message verbatim, so the assertion and runtime behavior introduced in this change do not align.

Additional Locations (1)
Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

Comment on lines -151 to 158
attributes[ATTR_DB_SYSTEM_NAME] = DB_SYSTEM_NAME_VALUE_MYSQL;
attributes[ATTR_DB_QUERY_TEXT] = dbQueryText;
}

const span = thisPlugin.tracer.startSpan(getSpanName(query), {
kind: api.SpanKind.CLIENT,
const attributes: SpanAttributes = {
...getConnectionAttributes(this.config),
[ATTR_DB_SYSTEM]: DB_SYSTEM_VALUE_MYSQL,
[ATTR_DB_STATEMENT]: getQueryText(query, format, values),
[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: ORIGIN,
};

const span = startInactiveSpan({
name: getSpanName(query),
kind: SpanKind.CLIENT,
attributes,
});

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Bug: The mysql2 instrumentation incorrectly uses the 'result' event to end spans for streaming queries, causing premature span closure for multi-row queries and span leaks for zero-row queries.
Severity: HIGH

Suggested Fix

To correctly measure the full duration of the streaming query, the event listener should be bound to the 'end' event instead of the 'result' event. Change .once('result', () => { endSpan(); }); to .once('end', () => { endSpan(); });. This ensures the span is only closed after all rows have been received.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.
Location:
packages/node/src/integrations/tracing/mysql2/vendored/instrumentation.ts#L151-L158
Potential issue: The `mysql2` instrumentation for streaming queries incorrectly uses the
`'result'` event to end a trace span. The `'result'` event fires for each row returned
by the query. For queries that return multiple rows, this causes the span to end
prematurely after the first row, resulting in an inaccurate duration measurement. For
queries that return zero rows, the `'result'` event never fires, causing the span to
never be closed and leading to a resource leak.

Did we get this right? 👍 / 👎 to inform future reviews.

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While this looks technically correct, we need to preserve the upstream instrumentation and track this individually later.

@logaretm
logaretm merged commit 75c7fa5 into developJun 15, 2026
273 checks passed
@logaretm
logaretm deleted the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch June 15, 2026 17:42
logaretm added a commit that referenced this pull request Jun 15, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
logaretm added a commit that referenced this pull request Jun 18, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
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Streamline @opentelemetry/instrumentation-mysql2

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@logaretm@mydea@JPeer264@nicohrubec
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

ref(node): Streamline mysql2 instrumentation - #21509

Merged
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2
Jun 15, 2026
Merged

ref(node): Streamline mysql2 instrumentation#21509
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2

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@logaretm

@logaretmlogaretm commented Jun 12, 2026

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Streamlines the vendored mysql2 instrumentation to use Sentry's span APIs instead of the OpenTelemetry tracing API, and removes the code paths that are dead in Sentry's context.

Mirrors the approach in #21481 (mongoose).

Notes

Blockers for startSpan*

mysql2 ends its span manually since completion fires via stream events/callbacks after the sync wrapper returns, which startSpan's auto-end misses. Worse, the returned Query is thenable but not a real Promise with a .then that throws, so startSpan/startSpanManual would throw on every query. startInactiveSpan leaves the Query untouched.

Semantic Conventions Attributes

Dropping the OTEL_SEMCONV_STABILITY_OPT_IN path means mysql2 spans now always emit the legacy semantic-convention attributes (db.system, db.statement, db.connection_string, db.name, db.user, net.peer.*).

Modernizing the semconv is deferred as a separate, breaking change.

Fixes#20739

@linear-code

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JS-2391

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github-actionsBot commented Jun 12, 2026

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size-limit report 📦

PathSize% ChangeChange
@sentry/browser27.4 kB--
@sentry/browser - with treeshaking flags25.84 kB--
@sentry/browser (incl. Tracing)45.7 kB--
@sentry/browser (incl. Tracing + Span Streaming)47.94 kB--
@sentry/browser (incl. Tracing, Profiling)50.5 kB--
@sentry/browser (incl. Tracing, Replay)84.92 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags74.53 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)89.61 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)102.3 kB--
@sentry/browser (incl. Feedback)44.56 kB--
@sentry/browser (incl. sendFeedback)32.2 kB--
@sentry/browser (incl. FeedbackAsync)37.31 kB--
@sentry/browser (incl. Metrics)28.47 kB--
@sentry/browser (incl. Logs)28.71 kB--
@sentry/browser (incl. Metrics & Logs)29.4 kB--
@sentry/react29.2 kB--
@sentry/react (incl. Tracing)48 kB--
@sentry/vue32.42 kB--
@sentry/vue (incl. Tracing)47.59 kB--
@sentry/svelte27.42 kB--
CDN Bundle29.79 kB--
CDN Bundle (incl. Tracing)48.2 kB--
CDN Bundle (incl. Logs, Metrics)31.33 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)49.49 kB--
CDN Bundle (incl. Replay, Logs, Metrics)70.62 kB--
CDN Bundle (incl. Tracing, Replay)85.52 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)86.77 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)91.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)92.62 kB--
CDN Bundle - uncompressed88.59 kB--
CDN Bundle (incl. Tracing) - uncompressed145.8 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed93.29 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed149.77 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed218.12 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed264.67 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed268.63 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed278.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed282.31 kB--
@sentry/nextjs (client)50.45 kB--
@sentry/sveltekit (client)46.12 kB--
@sentry/core/server76.08 kB--
@sentry/core/browser63.22 kB--
@sentry/node-core61.72 kB-0.01%-2 B 🔽
@sentry/node130.18 kB-0.15%-184 B 🔽
@sentry/node - without tracing74.1 kB-0.01%-4 B 🔽
@sentry/aws-serverless86.35 kB-0.01%-2 B 🔽
@sentry/cloudflare (withSentry) - minified174.19 kB--
@sentry/cloudflare (withSentry)435.41 kB--

View base workflow run

@logaretm
logaretm marked this pull request as ready for review June 12, 2026 16:24
@logaretm
logaretm requested a review from a team as a code ownerJune 12, 2026 16:24
@logaretm
logaretm requested review from JPeer264, andreiborza, mydea and nicohrubec and removed request for a teamJune 12, 2026 16:24

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quite some removals

Comment thread.oxlintrc.base.json
"rules": {
"typescript/no-explicit-any": "off"
"typescript/no-explicit-any": "off",
"no-unsafe-member-access": "off",

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l: Is it necessary to add these (especially for all vendored integrations)?

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It was added in #21481 so depending on whichever gets merged first the other one will drop, this is a one time change only.

} from '@opentelemetry/semantic-conventions';

const PACKAGE_NAME = '@sentry/instrumentation-mysql2';
const ORIGIN = 'auto.db.otel.mysql2';

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l: I don't think that we should add otel in it, as it comes from us - but it was here before - so it might be better to keep it as is and change it later?

Suggested change
constORIGIN='auto.db.otel.mysql2';
constORIGIN='auto.db.mysql2';

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I think I'd opt to change all of these to something non-otel in v11, for now this indicates that it comes from otel instrumentation, which it still is (just our own)

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Yea, my goal was not to change anything in terms of output. So I try to keep all attrs intact.

@@ -0,0 +1,260 @@
/*
* The upstream @opentelemetry/instrumentation-mysql2 suite runs against a real

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m: should we move the tests requiring a fake to real integration tests?

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I think in this instrumentation case we can move most of the test cases to a real one. Will do that.

Refactors the vendored mysql2 instrumentation to use Sentry's span APIs
instead of the OpenTelemetry tracing API, and removes the config paths
that are dead in Sentry's context.
- Replace `tracer.startSpan` with `startInactiveSpan`. mysql2's `query`/
`execute` complete via stream events or a patched callback that fire
after the synchronous wrapper returns, so the span must outlive a sync
scope and is ended manually. `startSpan`/`startSpanManual` are unusable
here: the returned `Query` is thenable-but-not-a-Promise, and its core
`.then` is a trap that throws, so the promise-probing in
`handleCallbackErrors` would throw on every query.
- Bake the origin in via `SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN` instead of an
`index.ts` responseHook.
- Drop the `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission and the unused
`responseHook`, query masking, and SQL-commenter config. The
integration only ever passed the origin responseHook, so these were
unreachable. mysql2 spans now always emit the legacy semconv attributes
(`db.system`, `db.statement`, `net.peer.*`); op is derived downstream.
- Drop the blanket eslint-disable, type the module exports shallowly.
- Add unit tests against a fake connection and assert origin/db.statement
in the integration suite.
Fixes#20739
… test
The fake-connection unit test used a plain EventEmitter/callback, which is
not thenable and so masked mysql2's real thenable `Query` behavior. Move
that coverage to the real-package integration suite instead:
- scenario now also runs `execute` and a failing query
- integration test asserts the execute span and the errored span's
`internal_error` status
Replace the fake patch test with a focused pure-function unit test for
`getConnectionPrototypeToInstrument`, the only version-sensitive logic
(own-prototype vs. inherited base-class layout across mysql2 majors).
@logaretm
logaretmforce-pushed the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch from 7da4a80 to f03121fCompareJune 15, 2026 13:55
DB span descriptions are set to db.statement by parseSpanDescription, not
the getSpanName value. The new execute/error matchers asserted 'SELECT';
correct them to the full SQL like the existing matchers.
description: 'SELECT * FROM does_not_exist',
op: 'db',
status: 'internal_error',
origin: 'auto.db.otel.mysql2',

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Wrong error status assertion

Medium Severity

The failing-query expectation uses status: 'internal_error', but instrumentation sets span status with message: err.message. For a missing table, MySQL supplies a concrete message, so getStatusMessage returns that text rather than internal_error.

Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit 33dea13. Configure here.

@logaretm
logaretm requested a review from nicohrubecJune 15, 2026 14:54

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thanks!

responseHook?: MySQL2InstrumentationExecutionResponseHook;
addSqlCommenterCommentToQueries?: boolean;
}
export type MySQL2InstrumentationConfig = InstrumentationConfig;

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m: maybe let's just get rid of this file since it's now basically empty? 😅

@logaretmlogaretmJun 15, 2026

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Sure

The vendored types.ts had collapsed to a single re-export alias
(MySQL2InstrumentationConfig = InstrumentationConfig). Use
InstrumentationConfig directly in the instrumentation and delete the file.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

values = [_valuesOrCallback];
}
const { maskStatement, maskStatementHook, responseHook } = thisPlugin.getConfig();

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Error span status mismatches test

Medium Severity

Failed queries set the span status message to the raw MySQL err.message, while the new integration test expects status: 'internal_error'. Serialized span status uses that message verbatim, so the assertion and runtime behavior introduced in this change do not align.

Additional Locations (1)
Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

Comment on lines -151 to 158
attributes[ATTR_DB_SYSTEM_NAME] = DB_SYSTEM_NAME_VALUE_MYSQL;
attributes[ATTR_DB_QUERY_TEXT] = dbQueryText;
}

const span = thisPlugin.tracer.startSpan(getSpanName(query), {
kind: api.SpanKind.CLIENT,
const attributes: SpanAttributes = {
...getConnectionAttributes(this.config),
[ATTR_DB_SYSTEM]: DB_SYSTEM_VALUE_MYSQL,
[ATTR_DB_STATEMENT]: getQueryText(query, format, values),
[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: ORIGIN,
};

const span = startInactiveSpan({
name: getSpanName(query),
kind: SpanKind.CLIENT,
attributes,
});

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Bug: The mysql2 instrumentation incorrectly uses the 'result' event to end spans for streaming queries, causing premature span closure for multi-row queries and span leaks for zero-row queries.
Severity: HIGH

Suggested Fix

To correctly measure the full duration of the streaming query, the event listener should be bound to the 'end' event instead of the 'result' event. Change .once('result', () => { endSpan(); }); to .once('end', () => { endSpan(); });. This ensures the span is only closed after all rows have been received.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.
Location:
packages/node/src/integrations/tracing/mysql2/vendored/instrumentation.ts#L151-L158
Potential issue: The `mysql2` instrumentation for streaming queries incorrectly uses the
`'result'` event to end a trace span. The `'result'` event fires for each row returned
by the query. For queries that return multiple rows, this causes the span to end
prematurely after the first row, resulting in an inaccurate duration measurement. For
queries that return zero rows, the `'result'` event never fires, causing the span to
never be closed and leading to a resource leak.

Did we get this right? 👍 / 👎 to inform future reviews.

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While this looks technically correct, we need to preserve the upstream instrumentation and track this individually later.

@logaretm
logaretm merged commit 75c7fa5 into developJun 15, 2026
273 checks passed
@logaretm
logaretm deleted the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch June 15, 2026 17:42
logaretm added a commit that referenced this pull request Jun 15, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
logaretm added a commit that referenced this pull request Jun 18, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
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Streamline @opentelemetry/instrumentation-mysql2

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@logaretm@mydea@JPeer264@nicohrubec
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

ref(node): Streamline mysql2 instrumentation - #21509

Merged
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2
Jun 15, 2026
Merged

ref(node): Streamline mysql2 instrumentation#21509
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2

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@logaretm

@logaretmlogaretm commented Jun 12, 2026

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Streamlines the vendored mysql2 instrumentation to use Sentry's span APIs instead of the OpenTelemetry tracing API, and removes the code paths that are dead in Sentry's context.

Mirrors the approach in #21481 (mongoose).

Notes

Blockers for startSpan*

mysql2 ends its span manually since completion fires via stream events/callbacks after the sync wrapper returns, which startSpan's auto-end misses. Worse, the returned Query is thenable but not a real Promise with a .then that throws, so startSpan/startSpanManual would throw on every query. startInactiveSpan leaves the Query untouched.

Semantic Conventions Attributes

Dropping the OTEL_SEMCONV_STABILITY_OPT_IN path means mysql2 spans now always emit the legacy semantic-convention attributes (db.system, db.statement, db.connection_string, db.name, db.user, net.peer.*).

Modernizing the semconv is deferred as a separate, breaking change.

Fixes#20739

@linear-code

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JS-2391

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github-actionsBot commented Jun 12, 2026

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size-limit report 📦

PathSize% ChangeChange
@sentry/browser27.4 kB--
@sentry/browser - with treeshaking flags25.84 kB--
@sentry/browser (incl. Tracing)45.7 kB--
@sentry/browser (incl. Tracing + Span Streaming)47.94 kB--
@sentry/browser (incl. Tracing, Profiling)50.5 kB--
@sentry/browser (incl. Tracing, Replay)84.92 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags74.53 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)89.61 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)102.3 kB--
@sentry/browser (incl. Feedback)44.56 kB--
@sentry/browser (incl. sendFeedback)32.2 kB--
@sentry/browser (incl. FeedbackAsync)37.31 kB--
@sentry/browser (incl. Metrics)28.47 kB--
@sentry/browser (incl. Logs)28.71 kB--
@sentry/browser (incl. Metrics & Logs)29.4 kB--
@sentry/react29.2 kB--
@sentry/react (incl. Tracing)48 kB--
@sentry/vue32.42 kB--
@sentry/vue (incl. Tracing)47.59 kB--
@sentry/svelte27.42 kB--
CDN Bundle29.79 kB--
CDN Bundle (incl. Tracing)48.2 kB--
CDN Bundle (incl. Logs, Metrics)31.33 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)49.49 kB--
CDN Bundle (incl. Replay, Logs, Metrics)70.62 kB--
CDN Bundle (incl. Tracing, Replay)85.52 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)86.77 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)91.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)92.62 kB--
CDN Bundle - uncompressed88.59 kB--
CDN Bundle (incl. Tracing) - uncompressed145.8 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed93.29 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed149.77 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed218.12 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed264.67 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed268.63 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed278.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed282.31 kB--
@sentry/nextjs (client)50.45 kB--
@sentry/sveltekit (client)46.12 kB--
@sentry/core/server76.08 kB--
@sentry/core/browser63.22 kB--
@sentry/node-core61.72 kB-0.01%-2 B 🔽
@sentry/node130.18 kB-0.15%-184 B 🔽
@sentry/node - without tracing74.1 kB-0.01%-4 B 🔽
@sentry/aws-serverless86.35 kB-0.01%-2 B 🔽
@sentry/cloudflare (withSentry) - minified174.19 kB--
@sentry/cloudflare (withSentry)435.41 kB--

View base workflow run

@logaretm
logaretm marked this pull request as ready for review June 12, 2026 16:24
@logaretm
logaretm requested a review from a team as a code ownerJune 12, 2026 16:24
@logaretm
logaretm requested review from JPeer264, andreiborza, mydea and nicohrubec and removed request for a teamJune 12, 2026 16:24

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quite some removals

Comment thread.oxlintrc.base.json
"rules": {
"typescript/no-explicit-any": "off"
"typescript/no-explicit-any": "off",
"no-unsafe-member-access": "off",

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l: Is it necessary to add these (especially for all vendored integrations)?

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It was added in #21481 so depending on whichever gets merged first the other one will drop, this is a one time change only.

} from '@opentelemetry/semantic-conventions';

const PACKAGE_NAME = '@sentry/instrumentation-mysql2';
const ORIGIN = 'auto.db.otel.mysql2';

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l: I don't think that we should add otel in it, as it comes from us - but it was here before - so it might be better to keep it as is and change it later?

Suggested change
constORIGIN='auto.db.otel.mysql2';
constORIGIN='auto.db.mysql2';

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I think I'd opt to change all of these to something non-otel in v11, for now this indicates that it comes from otel instrumentation, which it still is (just our own)

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Yea, my goal was not to change anything in terms of output. So I try to keep all attrs intact.

@@ -0,0 +1,260 @@
/*
* The upstream @opentelemetry/instrumentation-mysql2 suite runs against a real

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m: should we move the tests requiring a fake to real integration tests?

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I think in this instrumentation case we can move most of the test cases to a real one. Will do that.

Refactors the vendored mysql2 instrumentation to use Sentry's span APIs
instead of the OpenTelemetry tracing API, and removes the config paths
that are dead in Sentry's context.
- Replace `tracer.startSpan` with `startInactiveSpan`. mysql2's `query`/
`execute` complete via stream events or a patched callback that fire
after the synchronous wrapper returns, so the span must outlive a sync
scope and is ended manually. `startSpan`/`startSpanManual` are unusable
here: the returned `Query` is thenable-but-not-a-Promise, and its core
`.then` is a trap that throws, so the promise-probing in
`handleCallbackErrors` would throw on every query.
- Bake the origin in via `SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN` instead of an
`index.ts` responseHook.
- Drop the `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission and the unused
`responseHook`, query masking, and SQL-commenter config. The
integration only ever passed the origin responseHook, so these were
unreachable. mysql2 spans now always emit the legacy semconv attributes
(`db.system`, `db.statement`, `net.peer.*`); op is derived downstream.
- Drop the blanket eslint-disable, type the module exports shallowly.
- Add unit tests against a fake connection and assert origin/db.statement
in the integration suite.
Fixes#20739
… test
The fake-connection unit test used a plain EventEmitter/callback, which is
not thenable and so masked mysql2's real thenable `Query` behavior. Move
that coverage to the real-package integration suite instead:
- scenario now also runs `execute` and a failing query
- integration test asserts the execute span and the errored span's
`internal_error` status
Replace the fake patch test with a focused pure-function unit test for
`getConnectionPrototypeToInstrument`, the only version-sensitive logic
(own-prototype vs. inherited base-class layout across mysql2 majors).
@logaretm
logaretmforce-pushed the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch from 7da4a80 to f03121fCompareJune 15, 2026 13:55
DB span descriptions are set to db.statement by parseSpanDescription, not
the getSpanName value. The new execute/error matchers asserted 'SELECT';
correct them to the full SQL like the existing matchers.
description: 'SELECT * FROM does_not_exist',
op: 'db',
status: 'internal_error',
origin: 'auto.db.otel.mysql2',

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Wrong error status assertion

Medium Severity

The failing-query expectation uses status: 'internal_error', but instrumentation sets span status with message: err.message. For a missing table, MySQL supplies a concrete message, so getStatusMessage returns that text rather than internal_error.

Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit 33dea13. Configure here.

@logaretm
logaretm requested a review from nicohrubecJune 15, 2026 14:54

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thanks!

responseHook?: MySQL2InstrumentationExecutionResponseHook;
addSqlCommenterCommentToQueries?: boolean;
}
export type MySQL2InstrumentationConfig = InstrumentationConfig;

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m: maybe let's just get rid of this file since it's now basically empty? 😅

@logaretmlogaretmJun 15, 2026

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Sure

The vendored types.ts had collapsed to a single re-export alias
(MySQL2InstrumentationConfig = InstrumentationConfig). Use
InstrumentationConfig directly in the instrumentation and delete the file.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

values = [_valuesOrCallback];
}
const { maskStatement, maskStatementHook, responseHook } = thisPlugin.getConfig();

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Error span status mismatches test

Medium Severity

Failed queries set the span status message to the raw MySQL err.message, while the new integration test expects status: 'internal_error'. Serialized span status uses that message verbatim, so the assertion and runtime behavior introduced in this change do not align.

Additional Locations (1)
Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

Comment on lines -151 to 158
attributes[ATTR_DB_SYSTEM_NAME] = DB_SYSTEM_NAME_VALUE_MYSQL;
attributes[ATTR_DB_QUERY_TEXT] = dbQueryText;
}

const span = thisPlugin.tracer.startSpan(getSpanName(query), {
kind: api.SpanKind.CLIENT,
const attributes: SpanAttributes = {
...getConnectionAttributes(this.config),
[ATTR_DB_SYSTEM]: DB_SYSTEM_VALUE_MYSQL,
[ATTR_DB_STATEMENT]: getQueryText(query, format, values),
[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: ORIGIN,
};

const span = startInactiveSpan({
name: getSpanName(query),
kind: SpanKind.CLIENT,
attributes,
});

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Bug: The mysql2 instrumentation incorrectly uses the 'result' event to end spans for streaming queries, causing premature span closure for multi-row queries and span leaks for zero-row queries.
Severity: HIGH

Suggested Fix

To correctly measure the full duration of the streaming query, the event listener should be bound to the 'end' event instead of the 'result' event. Change .once('result', () => { endSpan(); }); to .once('end', () => { endSpan(); });. This ensures the span is only closed after all rows have been received.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.
Location:
packages/node/src/integrations/tracing/mysql2/vendored/instrumentation.ts#L151-L158
Potential issue: The `mysql2` instrumentation for streaming queries incorrectly uses the
`'result'` event to end a trace span. The `'result'` event fires for each row returned
by the query. For queries that return multiple rows, this causes the span to end
prematurely after the first row, resulting in an inaccurate duration measurement. For
queries that return zero rows, the `'result'` event never fires, causing the span to
never be closed and leading to a resource leak.

Did we get this right? 👍 / 👎 to inform future reviews.

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While this looks technically correct, we need to preserve the upstream instrumentation and track this individually later.

@logaretm
logaretm merged commit 75c7fa5 into developJun 15, 2026
273 checks passed
@logaretm
logaretm deleted the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch June 15, 2026 17:42
logaretm added a commit that referenced this pull request Jun 15, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
logaretm added a commit that referenced this pull request Jun 18, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
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Streamline @opentelemetry/instrumentation-mysql2

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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ref(node): Streamline mysql2 instrumentation - #21509

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logaretm merged 4 commits into
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awad/js-2391-streamline-opentelemetryinstrumentation-mysql2
Jun 15, 2026
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ref(node): Streamline mysql2 instrumentation#21509
logaretm merged 4 commits into
developfrom
awad/js-2391-streamline-opentelemetryinstrumentation-mysql2

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@logaretmlogaretm commented Jun 12, 2026

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Streamlines the vendored mysql2 instrumentation to use Sentry's span APIs instead of the OpenTelemetry tracing API, and removes the code paths that are dead in Sentry's context.

Mirrors the approach in #21481 (mongoose).

Notes

Blockers for startSpan*

mysql2 ends its span manually since completion fires via stream events/callbacks after the sync wrapper returns, which startSpan's auto-end misses. Worse, the returned Query is thenable but not a real Promise with a .then that throws, so startSpan/startSpanManual would throw on every query. startInactiveSpan leaves the Query untouched.

Semantic Conventions Attributes

Dropping the OTEL_SEMCONV_STABILITY_OPT_IN path means mysql2 spans now always emit the legacy semantic-convention attributes (db.system, db.statement, db.connection_string, db.name, db.user, net.peer.*).

Modernizing the semconv is deferred as a separate, breaking change.

Fixes#20739

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JS-2391

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size-limit report 📦

PathSize% ChangeChange
@sentry/browser27.4 kB--
@sentry/browser - with treeshaking flags25.84 kB--
@sentry/browser (incl. Tracing)45.7 kB--
@sentry/browser (incl. Tracing + Span Streaming)47.94 kB--
@sentry/browser (incl. Tracing, Profiling)50.5 kB--
@sentry/browser (incl. Tracing, Replay)84.92 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags74.53 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)89.61 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)102.3 kB--
@sentry/browser (incl. Feedback)44.56 kB--
@sentry/browser (incl. sendFeedback)32.2 kB--
@sentry/browser (incl. FeedbackAsync)37.31 kB--
@sentry/browser (incl. Metrics)28.47 kB--
@sentry/browser (incl. Logs)28.71 kB--
@sentry/browser (incl. Metrics & Logs)29.4 kB--
@sentry/react29.2 kB--
@sentry/react (incl. Tracing)48 kB--
@sentry/vue32.42 kB--
@sentry/vue (incl. Tracing)47.59 kB--
@sentry/svelte27.42 kB--
CDN Bundle29.79 kB--
CDN Bundle (incl. Tracing)48.2 kB--
CDN Bundle (incl. Logs, Metrics)31.33 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)49.49 kB--
CDN Bundle (incl. Replay, Logs, Metrics)70.62 kB--
CDN Bundle (incl. Tracing, Replay)85.52 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)86.77 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)91.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)92.62 kB--
CDN Bundle - uncompressed88.59 kB--
CDN Bundle (incl. Tracing) - uncompressed145.8 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed93.29 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed149.77 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed218.12 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed264.67 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed268.63 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed278.37 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed282.31 kB--
@sentry/nextjs (client)50.45 kB--
@sentry/sveltekit (client)46.12 kB--
@sentry/core/server76.08 kB--
@sentry/core/browser63.22 kB--
@sentry/node-core61.72 kB-0.01%-2 B 🔽
@sentry/node130.18 kB-0.15%-184 B 🔽
@sentry/node - without tracing74.1 kB-0.01%-4 B 🔽
@sentry/aws-serverless86.35 kB-0.01%-2 B 🔽
@sentry/cloudflare (withSentry) - minified174.19 kB--
@sentry/cloudflare (withSentry)435.41 kB--

View base workflow run

@logaretm
logaretm marked this pull request as ready for review June 12, 2026 16:24
@logaretm
logaretm requested a review from a team as a code ownerJune 12, 2026 16:24
@logaretm
logaretm requested review from JPeer264, andreiborza, mydea and nicohrubec and removed request for a teamJune 12, 2026 16:24

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quite some removals

Comment thread.oxlintrc.base.json
"rules": {
"typescript/no-explicit-any": "off"
"typescript/no-explicit-any": "off",
"no-unsafe-member-access": "off",

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l: Is it necessary to add these (especially for all vendored integrations)?

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It was added in #21481 so depending on whichever gets merged first the other one will drop, this is a one time change only.

} from '@opentelemetry/semantic-conventions';

const PACKAGE_NAME = '@sentry/instrumentation-mysql2';
const ORIGIN = 'auto.db.otel.mysql2';

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l: I don't think that we should add otel in it, as it comes from us - but it was here before - so it might be better to keep it as is and change it later?

Suggested change
constORIGIN='auto.db.otel.mysql2';
constORIGIN='auto.db.mysql2';

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I think I'd opt to change all of these to something non-otel in v11, for now this indicates that it comes from otel instrumentation, which it still is (just our own)

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Yea, my goal was not to change anything in terms of output. So I try to keep all attrs intact.

@@ -0,0 +1,260 @@
/*
* The upstream @opentelemetry/instrumentation-mysql2 suite runs against a real

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m: should we move the tests requiring a fake to real integration tests?

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I think in this instrumentation case we can move most of the test cases to a real one. Will do that.

Refactors the vendored mysql2 instrumentation to use Sentry's span APIs
instead of the OpenTelemetry tracing API, and removes the config paths
that are dead in Sentry's context.
- Replace `tracer.startSpan` with `startInactiveSpan`. mysql2's `query`/
`execute` complete via stream events or a patched callback that fire
after the synchronous wrapper returns, so the span must outlive a sync
scope and is ended manually. `startSpan`/`startSpanManual` are unusable
here: the returned `Query` is thenable-but-not-a-Promise, and its core
`.then` is a trap that throws, so the promise-probing in
`handleCallbackErrors` would throw on every query.
- Bake the origin in via `SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN` instead of an
`index.ts` responseHook.
- Drop the `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission and the unused
`responseHook`, query masking, and SQL-commenter config. The
integration only ever passed the origin responseHook, so these were
unreachable. mysql2 spans now always emit the legacy semconv attributes
(`db.system`, `db.statement`, `net.peer.*`); op is derived downstream.
- Drop the blanket eslint-disable, type the module exports shallowly.
- Add unit tests against a fake connection and assert origin/db.statement
in the integration suite.
Fixes#20739
… test
The fake-connection unit test used a plain EventEmitter/callback, which is
not thenable and so masked mysql2's real thenable `Query` behavior. Move
that coverage to the real-package integration suite instead:
- scenario now also runs `execute` and a failing query
- integration test asserts the execute span and the errored span's
`internal_error` status
Replace the fake patch test with a focused pure-function unit test for
`getConnectionPrototypeToInstrument`, the only version-sensitive logic
(own-prototype vs. inherited base-class layout across mysql2 majors).
@logaretm
logaretmforce-pushed the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch from 7da4a80 to f03121fCompareJune 15, 2026 13:55
DB span descriptions are set to db.statement by parseSpanDescription, not
the getSpanName value. The new execute/error matchers asserted 'SELECT';
correct them to the full SQL like the existing matchers.
description: 'SELECT * FROM does_not_exist',
op: 'db',
status: 'internal_error',
origin: 'auto.db.otel.mysql2',

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Wrong error status assertion

Medium Severity

The failing-query expectation uses status: 'internal_error', but instrumentation sets span status with message: err.message. For a missing table, MySQL supplies a concrete message, so getStatusMessage returns that text rather than internal_error.

Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit 33dea13. Configure here.

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logaretm requested a review from nicohrubecJune 15, 2026 14:54

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thanks!

responseHook?: MySQL2InstrumentationExecutionResponseHook;
addSqlCommenterCommentToQueries?: boolean;
}
export type MySQL2InstrumentationConfig = InstrumentationConfig;

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m: maybe let's just get rid of this file since it's now basically empty? 😅

@logaretmlogaretmJun 15, 2026

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Sure

The vendored types.ts had collapsed to a single re-export alias
(MySQL2InstrumentationConfig = InstrumentationConfig). Use
InstrumentationConfig directly in the instrumentation and delete the file.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

values = [_valuesOrCallback];
}
const { maskStatement, maskStatementHook, responseHook } = thisPlugin.getConfig();

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Error span status mismatches test

Medium Severity

Failed queries set the span status message to the raw MySQL err.message, while the new integration test expects status: 'internal_error'. Serialized span status uses that message verbatim, so the assertion and runtime behavior introduced in this change do not align.

Additional Locations (1)
Fix in CursorFix in Web

Reviewed by Cursor Bugbot for commit fd777c9. Configure here.

Comment on lines -151 to 158
attributes[ATTR_DB_SYSTEM_NAME] = DB_SYSTEM_NAME_VALUE_MYSQL;
attributes[ATTR_DB_QUERY_TEXT] = dbQueryText;
}

const span = thisPlugin.tracer.startSpan(getSpanName(query), {
kind: api.SpanKind.CLIENT,
const attributes: SpanAttributes = {
...getConnectionAttributes(this.config),
[ATTR_DB_SYSTEM]: DB_SYSTEM_VALUE_MYSQL,
[ATTR_DB_STATEMENT]: getQueryText(query, format, values),
[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: ORIGIN,
};

const span = startInactiveSpan({
name: getSpanName(query),
kind: SpanKind.CLIENT,
attributes,
});

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Bug: The mysql2 instrumentation incorrectly uses the 'result' event to end spans for streaming queries, causing premature span closure for multi-row queries and span leaks for zero-row queries.
Severity: HIGH

Suggested Fix

To correctly measure the full duration of the streaming query, the event listener should be bound to the 'end' event instead of the 'result' event. Change .once('result', () => { endSpan(); }); to .once('end', () => { endSpan(); });. This ensures the span is only closed after all rows have been received.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.
Location:
packages/node/src/integrations/tracing/mysql2/vendored/instrumentation.ts#L151-L158
Potential issue: The `mysql2` instrumentation for streaming queries incorrectly uses the
`'result'` event to end a trace span. The `'result'` event fires for each row returned
by the query. For queries that return multiple rows, this causes the span to end
prematurely after the first row, resulting in an inaccurate duration measurement. For
queries that return zero rows, the `'result'` event never fires, causing the span to
never be closed and leading to a resource leak.

Did we get this right? 👍 / 👎 to inform future reviews.

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While this looks technically correct, we need to preserve the upstream instrumentation and track this individually later.

@logaretm
logaretm merged commit 75c7fa5 into developJun 15, 2026
273 checks passed
@logaretm
logaretm deleted the awad/js-2391-streamline-opentelemetryinstrumentation-mysql2 branch June 15, 2026 17:42
logaretm added a commit that referenced this pull request Jun 15, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
logaretm added a commit that referenced this pull request Jun 18, 2026
Refactors the vendored knex instrumentation off the OpenTelemetry tracing
APIs onto Sentry's span APIs, mirroring the mongoose (#21481) and mysql2
(#21509) streamlines.
- Replace `tracer.startSpan` + manual `context.with`/`.then`/`.catch` with
`startSpan`. `Runner.query` returns a real, already-executing Promise, so
`startSpan` can safely await it and auto-end the span while keeping it active
so the underlying `pg`/`mysql2` driver spans nest correctly.
- Preserve the build-time `contextSymbol` parent + require-parent-span behavior
(only instrument queries that run within an existing trace).
- Bake the `auto.db.otel.knex` origin into the span attributes and drop the
`spanStart` hook from `index.ts`.
- Drop the env-gated `OTEL_SEMCONV_STABILITY_OPT_IN` dual-emission; only the OLD
semantic conventions (`db.system`, `db.statement`, ...) were ever emitted.
Behavior change: the unsupported stable-semconv opt-in is no longer honored.
- Hardcode `requireParentSpan`/`maxQueryLength` (the integration only ever used
the defaults), delete the now-dead `types.ts`/`constants.ts` and
`otelExceptionFromKnexError`, drop OTel `recordException`, and remove the
blanket `eslint-disable`.
- Extend the `pg` integration suite with a failing query to cover the error
path (`status: internal_error`).
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Streamline @opentelemetry/instrumentation-mysql2

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