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fix: begins_with on binary sort keys returns results instead of ISE - #17
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The query builder used chr(1114111) (Unicode max codepoint) appended to the prefix for the exclusive upper bound. This only works for TEXT columns — on BYTEA columns it causes a PostgreSQL type error, surfacing as an InternalServerError. Fix: detect binary sort key columns (sk_b) and compute the upper bound in Rust by incrementing the prefix bytes with carry propagation. Bind both prefix and upper bound as separate BYTEA parameters.
LeeroyHannigan added a commit
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Aug 18, 2026
CodeQL (actions/cache-poisoning/poisonable-step) flags writing the default branch's actions cache from a job that checks out a dispatch-resolved SHA. The gate proves that SHA is an ancestor of origin/main, so the checkout is reviewed history, but the cache write is still the one genuine poisoning vector the rule describes, and it buys little on a rare release build that the LTO link dominates. Removed. The remaining alert on the gate job has no cache usage at all and mirrors the two open alerts on release-image.yml (#16, #17): the rule matches any checkout-and-execute of a resolved SHA under workflow_dispatch.
LeeroyHannigan added a commit
that referenced
this pull request
Aug 19, 2026
CodeQL (actions/cache-poisoning/poisonable-step) flags writing the default branch's actions cache from a job that checks out a dispatch-resolved SHA. The gate proves that SHA is an ancestor of origin/main, so the checkout is reviewed history, but the cache write is still the one genuine poisoning vector the rule describes, and it buys little on a rare release build that the LTO link dominates. Removed. The remaining alert on the gate job has no cache usage at all and mirrors the two open alerts on release-image.yml (#16, #17): the rule matches any checkout-and-execute of a resolved SHA under workflow_dispatch.
rlunar pushed a commit
to rlunar/extenddb
that referenced
this pull request
Aug 20, 2026
CodeQL (actions/cache-poisoning/poisonable-step) flags writing the default branch's actions cache from a job that checks out a dispatch-resolved SHA. The gate proves that SHA is an ancestor of origin/main, so the checkout is reviewed history, but the cache write is still the one genuine poisoning vector the rule describes, and it buys little on a rare release build that the LTO link dominates. Removed. The remaining alert on the gate job has no cache usage at all and mirrors the two open alerts on release-image.yml (ExtendDB#16, ExtendDB#17): the rule matches any checkout-and-execute of a resolved SHA under workflow_dispatch.
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The query builder used chr(1114111) (Unicode max codepoint) appended to the prefix for the exclusive upper bound. This only works for TEXT columns, on BYTEA columns it causes a PostgreSQL type error, surfacing as an InternalServerError.
Fix: detect binary sort key columns (sk_b) and compute the upper bound in Rust by incrementing the prefix bytes with carry propagation. Bind both prefix and upper bound as separate BYTEA parameters.