Fixing DatabricksNotebookOperator invalid dependency graph issue - #48492

Merged
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983
Apr 13, 2025
Merged

Fixing DatabricksNotebookOperator invalid dependency graph issue#48492
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983

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@dheerajkumar-solanki

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Fixing the DatabricksNotebookOperator invalid dependency graph issue, this comes when dependencies are defined in DatabricksWorkflowTaskGroup. Issue is child task DatabricksNotebookOperator and DatabricksTaskOperator task referencing itself. Issue in _generate_databricks_task_key function which is incorrectly generating depends_on task value.

closes: #47983


^ Add meaningful description above
Read the Pull Request Guidelines for more information.
In case of fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
In case of a new dependency, check compliance with the ASF 3rd Party License Policy.
In case of backwards incompatible changes please leave a note in a newsfragment file, named {pr_number}.significant.rst or {issue_number}.significant.rst, in airflow-core/newsfragments.

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Congratulations on your first Pull Request and welcome to the Apache Airflow community! If you have any issues or are unsure about any anything please check our Contributors' Guide (https://github.com/apache/airflow/blob/main/contributing-docs/README.rst)
Here are some useful points:

  • Pay attention to the quality of your code (ruff, mypy and type annotations). Our pre-commits will help you with that.
  • In case of a new feature add useful documentation (in docstrings or in docs/ directory). Adding a new operator? Check this short guide Consider adding an example DAG that shows how users should use it.
  • Consider using Breeze environment for testing locally, it's a heavy docker but it ships with a working Airflow and a lot of integrations.
  • Be patient and persistent. It might take some time to get a review or get the final approval from Committers.
  • Please follow ASF Code of Conduct for all communication including (but not limited to) comments on Pull Requests, Mailing list and Slack.
  • Be sure to read the Airflow Coding style.
  • Always keep your Pull Requests rebased, otherwise your build might fail due to changes not related to your commits.
    Apache Airflow is a community-driven project and together we are making it better 🚀.
    In case of doubts contact the developers at:
    Mailing List: dev@airflow.apache.org
    Slack: https://s.apache.org/airflow-slack

@jroachgolf84

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

@jroachgolf84

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There were a few other places where I think we might need to make changes.

@dheerajkumar-solanki

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There were a few other places where I think we might need to make changes.

Which places, can you provide some context, so I can update the PR.

@dheerajkumar-solanki

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

Yes, I was able to run the failed DAG.

@ghost

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

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@dheerajkumar-solanki, how are things going on your side? Have those unit-tests been run?

@dheerajkumar-solanki

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

I checked the code and previous MR, there is no change required as we have not change the function definition of databricks_task_key.

All the databricks unit test files are running fine.

@dheerajkumar-solanki

dheerajkumar-solanki commented Apr 6, 2025

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@pankajkoti@jroachgolf84 One of the tests pipeline is failing Tests / CI image checks / MyPy checks (mypy-providers) (pull_request), doesn't look like from the changes in this PR. Is it just due to my branch is not up to date with base branch or any other issue?

Also, there is another MR on this same issue (#48623), I like his solution but I think some pieces are missing in the MR. what would be next step in this MR now?

@potiuk

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rebase first and make it green

image

@dheerajkumar-solanki

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rebase first and make it green

image

@potiuk rebase is done, waiting for workflow approval to run the test again.

@potiuk
potiuk merged commit 9dcce2f into apache:mainApr 13, 2025
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Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.

@potiuk

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Thanks!

Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 19, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 21, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
jscheffl pushed a commit that referenced this pull request Jun 2, 2026
…66681)
* Lock in DatabricksTaskBaseOperator depends_on parent-key behavior
The runtime fix for issue #47614 shipped in PR #48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: #47614
* Remove manually added databricks changelog entry
Provider changelogs are regenerated from git log by the release
manager and should not be edited by hand.
* Assert depends_on reaches the Databricks Jobs API payload
Existing TestWorkflowDependsOn coverage verified the in-process
create_workflow_json() output. The new TestWorkflowDependsOnWirePayload
class drives _CreateDatabricksWorkflowOperator._create_or_reset_job end
to end and asserts on the spec that DatabricksHook.create_job /
DatabricksHook.reset_job actually receive, i.e. the payload that lands
in /api/2.1/jobs/create and /api/2.1/jobs/reset.
Both branches (no existing job -> create_job, existing job -> reset_job)
are exercised; both assert tasks[child].depends_on == [{task_key:
md5(parent)}] and tasks[parent].depends_on == [].
* Fix Databricks provider mypy timezone imports
* Fix Databricks provider timezone import compatibility
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DatabricksNotebookOperator generating invalid dependency graph

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@dheerajkumar-solanki@jroachgolf84@potiuk
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
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})();
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try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Skip to content

Fixing DatabricksNotebookOperator invalid dependency graph issue - #48492

Merged
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983
Apr 13, 2025
Merged

Fixing DatabricksNotebookOperator invalid dependency graph issue#48492
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983

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@dheerajkumar-solanki

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Fixing the DatabricksNotebookOperator invalid dependency graph issue, this comes when dependencies are defined in DatabricksWorkflowTaskGroup. Issue is child task DatabricksNotebookOperator and DatabricksTaskOperator task referencing itself. Issue in _generate_databricks_task_key function which is incorrectly generating depends_on task value.

closes: #47983


^ Add meaningful description above
Read the Pull Request Guidelines for more information.
In case of fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
In case of a new dependency, check compliance with the ASF 3rd Party License Policy.
In case of backwards incompatible changes please leave a note in a newsfragment file, named {pr_number}.significant.rst or {issue_number}.significant.rst, in airflow-core/newsfragments.

@boring-cyborg

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Congratulations on your first Pull Request and welcome to the Apache Airflow community! If you have any issues or are unsure about any anything please check our Contributors' Guide (https://github.com/apache/airflow/blob/main/contributing-docs/README.rst)
Here are some useful points:

  • Pay attention to the quality of your code (ruff, mypy and type annotations). Our pre-commits will help you with that.
  • In case of a new feature add useful documentation (in docstrings or in docs/ directory). Adding a new operator? Check this short guide Consider adding an example DAG that shows how users should use it.
  • Consider using Breeze environment for testing locally, it's a heavy docker but it ships with a working Airflow and a lot of integrations.
  • Be patient and persistent. It might take some time to get a review or get the final approval from Committers.
  • Please follow ASF Code of Conduct for all communication including (but not limited to) comments on Pull Requests, Mailing list and Slack.
  • Be sure to read the Airflow Coding style.
  • Always keep your Pull Requests rebased, otherwise your build might fail due to changes not related to your commits.
    Apache Airflow is a community-driven project and together we are making it better 🚀.
    In case of doubts contact the developers at:
    Mailing List: dev@airflow.apache.org
    Slack: https://s.apache.org/airflow-slack

@jroachgolf84

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

@jroachgolf84

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There were a few other places where I think we might need to make changes.

@dheerajkumar-solanki

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There were a few other places where I think we might need to make changes.

Which places, can you provide some context, so I can update the PR.

@dheerajkumar-solanki

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ContributorAuthor

@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

Yes, I was able to run the failed DAG.

@ghost

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

@jroachgolf84

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@dheerajkumar-solanki, how are things going on your side? Have those unit-tests been run?

@dheerajkumar-solanki

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

I checked the code and previous MR, there is no change required as we have not change the function definition of databricks_task_key.

All the databricks unit test files are running fine.

@dheerajkumar-solanki

dheerajkumar-solanki commented Apr 6, 2025

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@pankajkoti@jroachgolf84 One of the tests pipeline is failing Tests / CI image checks / MyPy checks (mypy-providers) (pull_request), doesn't look like from the changes in this PR. Is it just due to my branch is not up to date with base branch or any other issue?

Also, there is another MR on this same issue (#48623), I like his solution but I think some pieces are missing in the MR. what would be next step in this MR now?

@potiuk

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rebase first and make it green

image

@dheerajkumar-solanki

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rebase first and make it green

image

@potiuk rebase is done, waiting for workflow approval to run the test again.

@potiuk
potiuk merged commit 9dcce2f into apache:mainApr 13, 2025
@boring-cyborg

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Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.

@potiuk

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Thanks!

Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 19, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 21, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
jscheffl pushed a commit that referenced this pull request Jun 2, 2026
…66681)
* Lock in DatabricksTaskBaseOperator depends_on parent-key behavior
The runtime fix for issue #47614 shipped in PR #48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: #47614
* Remove manually added databricks changelog entry
Provider changelogs are regenerated from git log by the release
manager and should not be edited by hand.
* Assert depends_on reaches the Databricks Jobs API payload
Existing TestWorkflowDependsOn coverage verified the in-process
create_workflow_json() output. The new TestWorkflowDependsOnWirePayload
class drives _CreateDatabricksWorkflowOperator._create_or_reset_job end
to end and asserts on the spec that DatabricksHook.create_job /
DatabricksHook.reset_job actually receive, i.e. the payload that lands
in /api/2.1/jobs/create and /api/2.1/jobs/reset.
Both branches (no existing job -> create_job, existing job -> reset_job)
are exercised; both assert tasks[child].depends_on == [{task_key:
md5(parent)}] and tasks[parent].depends_on == [].
* Fix Databricks provider mypy timezone imports
* Fix Databricks provider timezone import compatibility
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DatabricksNotebookOperator generating invalid dependency graph

3 participants

@dheerajkumar-solanki@jroachgolf84@potiuk
, '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('^' + ".*" + '
Skip to content

Fixing DatabricksNotebookOperator invalid dependency graph issue - #48492

Merged
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983
Apr 13, 2025
Merged

Fixing DatabricksNotebookOperator invalid dependency graph issue#48492
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983

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@dheerajkumar-solanki

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Fixing the DatabricksNotebookOperator invalid dependency graph issue, this comes when dependencies are defined in DatabricksWorkflowTaskGroup. Issue is child task DatabricksNotebookOperator and DatabricksTaskOperator task referencing itself. Issue in _generate_databricks_task_key function which is incorrectly generating depends_on task value.

closes: #47983


^ Add meaningful description above
Read the Pull Request Guidelines for more information.
In case of fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
In case of a new dependency, check compliance with the ASF 3rd Party License Policy.
In case of backwards incompatible changes please leave a note in a newsfragment file, named {pr_number}.significant.rst or {issue_number}.significant.rst, in airflow-core/newsfragments.

@boring-cyborg

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Congratulations on your first Pull Request and welcome to the Apache Airflow community! If you have any issues or are unsure about any anything please check our Contributors' Guide (https://github.com/apache/airflow/blob/main/contributing-docs/README.rst)
Here are some useful points:

  • Pay attention to the quality of your code (ruff, mypy and type annotations). Our pre-commits will help you with that.
  • In case of a new feature add useful documentation (in docstrings or in docs/ directory). Adding a new operator? Check this short guide Consider adding an example DAG that shows how users should use it.
  • Consider using Breeze environment for testing locally, it's a heavy docker but it ships with a working Airflow and a lot of integrations.
  • Be patient and persistent. It might take some time to get a review or get the final approval from Committers.
  • Please follow ASF Code of Conduct for all communication including (but not limited to) comments on Pull Requests, Mailing list and Slack.
  • Be sure to read the Airflow Coding style.
  • Always keep your Pull Requests rebased, otherwise your build might fail due to changes not related to your commits.
    Apache Airflow is a community-driven project and together we are making it better 🚀.
    In case of doubts contact the developers at:
    Mailing List: dev@airflow.apache.org
    Slack: https://s.apache.org/airflow-slack

@jroachgolf84

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

@jroachgolf84

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There were a few other places where I think we might need to make changes.

@dheerajkumar-solanki

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ContributorAuthor

There were a few other places where I think we might need to make changes.

Which places, can you provide some context, so I can update the PR.

@dheerajkumar-solanki

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

Yes, I was able to run the failed DAG.

@ghost

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

@jroachgolf84

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@dheerajkumar-solanki, how are things going on your side? Have those unit-tests been run?

@dheerajkumar-solanki

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

I checked the code and previous MR, there is no change required as we have not change the function definition of databricks_task_key.

All the databricks unit test files are running fine.

@dheerajkumar-solanki

dheerajkumar-solanki commented Apr 6, 2025

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@pankajkoti@jroachgolf84 One of the tests pipeline is failing Tests / CI image checks / MyPy checks (mypy-providers) (pull_request), doesn't look like from the changes in this PR. Is it just due to my branch is not up to date with base branch or any other issue?

Also, there is another MR on this same issue (#48623), I like his solution but I think some pieces are missing in the MR. what would be next step in this MR now?

@potiuk

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rebase first and make it green

image

@dheerajkumar-solanki

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rebase first and make it green

image

@potiuk rebase is done, waiting for workflow approval to run the test again.

@potiuk
potiuk merged commit 9dcce2f into apache:mainApr 13, 2025
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Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.

@potiuk

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Thanks!

Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 19, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 21, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
jscheffl pushed a commit that referenced this pull request Jun 2, 2026
…66681)
* Lock in DatabricksTaskBaseOperator depends_on parent-key behavior
The runtime fix for issue #47614 shipped in PR #48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: #47614
* Remove manually added databricks changelog entry
Provider changelogs are regenerated from git log by the release
manager and should not be edited by hand.
* Assert depends_on reaches the Databricks Jobs API payload
Existing TestWorkflowDependsOn coverage verified the in-process
create_workflow_json() output. The new TestWorkflowDependsOnWirePayload
class drives _CreateDatabricksWorkflowOperator._create_or_reset_job end
to end and asserts on the spec that DatabricksHook.create_job /
DatabricksHook.reset_job actually receive, i.e. the payload that lands
in /api/2.1/jobs/create and /api/2.1/jobs/reset.
Both branches (no existing job -> create_job, existing job -> reset_job)
are exercised; both assert tasks[child].depends_on == [{task_key:
md5(parent)}] and tasks[parent].depends_on == [].
* Fix Databricks provider mypy timezone imports
* Fix Databricks provider timezone import compatibility
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DatabricksNotebookOperator generating invalid dependency graph

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@dheerajkumar-solanki@jroachgolf84@potiuk
, '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

Fixing DatabricksNotebookOperator invalid dependency graph issue - #48492

Merged
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983
Apr 13, 2025
Merged

Fixing DatabricksNotebookOperator invalid dependency graph issue#48492
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983

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@dheerajkumar-solanki

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Fixing the DatabricksNotebookOperator invalid dependency graph issue, this comes when dependencies are defined in DatabricksWorkflowTaskGroup. Issue is child task DatabricksNotebookOperator and DatabricksTaskOperator task referencing itself. Issue in _generate_databricks_task_key function which is incorrectly generating depends_on task value.

closes: #47983


^ Add meaningful description above
Read the Pull Request Guidelines for more information.
In case of fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
In case of a new dependency, check compliance with the ASF 3rd Party License Policy.
In case of backwards incompatible changes please leave a note in a newsfragment file, named {pr_number}.significant.rst or {issue_number}.significant.rst, in airflow-core/newsfragments.

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Congratulations on your first Pull Request and welcome to the Apache Airflow community! If you have any issues or are unsure about any anything please check our Contributors' Guide (https://github.com/apache/airflow/blob/main/contributing-docs/README.rst)
Here are some useful points:

  • Pay attention to the quality of your code (ruff, mypy and type annotations). Our pre-commits will help you with that.
  • In case of a new feature add useful documentation (in docstrings or in docs/ directory). Adding a new operator? Check this short guide Consider adding an example DAG that shows how users should use it.
  • Consider using Breeze environment for testing locally, it's a heavy docker but it ships with a working Airflow and a lot of integrations.
  • Be patient and persistent. It might take some time to get a review or get the final approval from Committers.
  • Please follow ASF Code of Conduct for all communication including (but not limited to) comments on Pull Requests, Mailing list and Slack.
  • Be sure to read the Airflow Coding style.
  • Always keep your Pull Requests rebased, otherwise your build might fail due to changes not related to your commits.
    Apache Airflow is a community-driven project and together we are making it better 🚀.
    In case of doubts contact the developers at:
    Mailing List: dev@airflow.apache.org
    Slack: https://s.apache.org/airflow-slack

@jroachgolf84

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

@jroachgolf84

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There were a few other places where I think we might need to make changes.

@dheerajkumar-solanki

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There were a few other places where I think we might need to make changes.

Which places, can you provide some context, so I can update the PR.

@dheerajkumar-solanki

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ContributorAuthor

@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

Yes, I was able to run the failed DAG.

@ghost

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

@jroachgolf84

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@dheerajkumar-solanki, how are things going on your side? Have those unit-tests been run?

@dheerajkumar-solanki

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

I checked the code and previous MR, there is no change required as we have not change the function definition of databricks_task_key.

All the databricks unit test files are running fine.

@dheerajkumar-solanki

dheerajkumar-solanki commented Apr 6, 2025

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@pankajkoti@jroachgolf84 One of the tests pipeline is failing Tests / CI image checks / MyPy checks (mypy-providers) (pull_request), doesn't look like from the changes in this PR. Is it just due to my branch is not up to date with base branch or any other issue?

Also, there is another MR on this same issue (#48623), I like his solution but I think some pieces are missing in the MR. what would be next step in this MR now?

@potiuk

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rebase first and make it green

image

@dheerajkumar-solanki

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rebase first and make it green

image

@potiuk rebase is done, waiting for workflow approval to run the test again.

@potiuk
potiuk merged commit 9dcce2f into apache:mainApr 13, 2025
@boring-cyborg

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Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.

@potiuk

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Thanks!

Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 19, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 21, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
jscheffl pushed a commit that referenced this pull request Jun 2, 2026
…66681)
* Lock in DatabricksTaskBaseOperator depends_on parent-key behavior
The runtime fix for issue #47614 shipped in PR #48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: #47614
* Remove manually added databricks changelog entry
Provider changelogs are regenerated from git log by the release
manager and should not be edited by hand.
* Assert depends_on reaches the Databricks Jobs API payload
Existing TestWorkflowDependsOn coverage verified the in-process
create_workflow_json() output. The new TestWorkflowDependsOnWirePayload
class drives _CreateDatabricksWorkflowOperator._create_or_reset_job end
to end and asserts on the spec that DatabricksHook.create_job /
DatabricksHook.reset_job actually receive, i.e. the payload that lands
in /api/2.1/jobs/create and /api/2.1/jobs/reset.
Both branches (no existing job -> create_job, existing job -> reset_job)
are exercised; both assert tasks[child].depends_on == [{task_key:
md5(parent)}] and tasks[parent].depends_on == [].
* Fix Databricks provider mypy timezone imports
* Fix Databricks provider timezone import compatibility
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Successfully merging this pull request may close these issues.

DatabricksNotebookOperator generating invalid dependency graph

3 participants

@dheerajkumar-solanki@jroachgolf84@potiuk
, '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

Fixing DatabricksNotebookOperator invalid dependency graph issue - #48492

Merged
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983
Apr 13, 2025
Merged

Fixing DatabricksNotebookOperator invalid dependency graph issue#48492
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983

Conversation

@dheerajkumar-solanki

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Fixing the DatabricksNotebookOperator invalid dependency graph issue, this comes when dependencies are defined in DatabricksWorkflowTaskGroup. Issue is child task DatabricksNotebookOperator and DatabricksTaskOperator task referencing itself. Issue in _generate_databricks_task_key function which is incorrectly generating depends_on task value.

closes: #47983


^ Add meaningful description above
Read the Pull Request Guidelines for more information.
In case of fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
In case of a new dependency, check compliance with the ASF 3rd Party License Policy.
In case of backwards incompatible changes please leave a note in a newsfragment file, named {pr_number}.significant.rst or {issue_number}.significant.rst, in airflow-core/newsfragments.

@boring-cyborg

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Congratulations on your first Pull Request and welcome to the Apache Airflow community! If you have any issues or are unsure about any anything please check our Contributors' Guide (https://github.com/apache/airflow/blob/main/contributing-docs/README.rst)
Here are some useful points:

  • Pay attention to the quality of your code (ruff, mypy and type annotations). Our pre-commits will help you with that.
  • In case of a new feature add useful documentation (in docstrings or in docs/ directory). Adding a new operator? Check this short guide Consider adding an example DAG that shows how users should use it.
  • Consider using Breeze environment for testing locally, it's a heavy docker but it ships with a working Airflow and a lot of integrations.
  • Be patient and persistent. It might take some time to get a review or get the final approval from Committers.
  • Please follow ASF Code of Conduct for all communication including (but not limited to) comments on Pull Requests, Mailing list and Slack.
  • Be sure to read the Airflow Coding style.
  • Always keep your Pull Requests rebased, otherwise your build might fail due to changes not related to your commits.
    Apache Airflow is a community-driven project and together we are making it better 🚀.
    In case of doubts contact the developers at:
    Mailing List: dev@airflow.apache.org
    Slack: https://s.apache.org/airflow-slack

@jroachgolf84

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

@jroachgolf84

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There were a few other places where I think we might need to make changes.

@dheerajkumar-solanki

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ContributorAuthor

There were a few other places where I think we might need to make changes.

Which places, can you provide some context, so I can update the PR.

@dheerajkumar-solanki

Copy link
Copy Markdown
ContributorAuthor

@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

Yes, I was able to run the failed DAG.

@ghost

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

@jroachgolf84

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@dheerajkumar-solanki, how are things going on your side? Have those unit-tests been run?

@dheerajkumar-solanki

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ContributorAuthor

This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

I checked the code and previous MR, there is no change required as we have not change the function definition of databricks_task_key.

All the databricks unit test files are running fine.

@dheerajkumar-solanki

dheerajkumar-solanki commented Apr 6, 2025

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@pankajkoti@jroachgolf84 One of the tests pipeline is failing Tests / CI image checks / MyPy checks (mypy-providers) (pull_request), doesn't look like from the changes in this PR. Is it just due to my branch is not up to date with base branch or any other issue?

Also, there is another MR on this same issue (#48623), I like his solution but I think some pieces are missing in the MR. what would be next step in this MR now?

@potiuk

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rebase first and make it green

image

@dheerajkumar-solanki

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rebase first and make it green

image

@potiuk rebase is done, waiting for workflow approval to run the test again.

@potiuk
potiuk merged commit 9dcce2f into apache:mainApr 13, 2025
@boring-cyborg

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Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.

@potiuk

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Thanks!

Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 19, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 21, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
jscheffl pushed a commit that referenced this pull request Jun 2, 2026
…66681)
* Lock in DatabricksTaskBaseOperator depends_on parent-key behavior
The runtime fix for issue #47614 shipped in PR #48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: #47614
* Remove manually added databricks changelog entry
Provider changelogs are regenerated from git log by the release
manager and should not be edited by hand.
* Assert depends_on reaches the Databricks Jobs API payload
Existing TestWorkflowDependsOn coverage verified the in-process
create_workflow_json() output. The new TestWorkflowDependsOnWirePayload
class drives _CreateDatabricksWorkflowOperator._create_or_reset_job end
to end and asserts on the spec that DatabricksHook.create_job /
DatabricksHook.reset_job actually receive, i.e. the payload that lands
in /api/2.1/jobs/create and /api/2.1/jobs/reset.
Both branches (no existing job -> create_job, existing job -> reset_job)
are exercised; both assert tasks[child].depends_on == [{task_key:
md5(parent)}] and tasks[parent].depends_on == [].
* Fix Databricks provider mypy timezone imports
* Fix Databricks provider timezone import compatibility
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DatabricksNotebookOperator generating invalid dependency graph

3 participants

@dheerajkumar-solanki@jroachgolf84@potiuk
, '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

Fixing DatabricksNotebookOperator invalid dependency graph issue - #48492

Merged
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983
Apr 13, 2025
Merged

Fixing DatabricksNotebookOperator invalid dependency graph issue#48492
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983

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@dheerajkumar-solanki

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Fixing the DatabricksNotebookOperator invalid dependency graph issue, this comes when dependencies are defined in DatabricksWorkflowTaskGroup. Issue is child task DatabricksNotebookOperator and DatabricksTaskOperator task referencing itself. Issue in _generate_databricks_task_key function which is incorrectly generating depends_on task value.

closes: #47983


^ Add meaningful description above
Read the Pull Request Guidelines for more information.
In case of fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
In case of a new dependency, check compliance with the ASF 3rd Party License Policy.
In case of backwards incompatible changes please leave a note in a newsfragment file, named {pr_number}.significant.rst or {issue_number}.significant.rst, in airflow-core/newsfragments.

@boring-cyborg

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Congratulations on your first Pull Request and welcome to the Apache Airflow community! If you have any issues or are unsure about any anything please check our Contributors' Guide (https://github.com/apache/airflow/blob/main/contributing-docs/README.rst)
Here are some useful points:

  • Pay attention to the quality of your code (ruff, mypy and type annotations). Our pre-commits will help you with that.
  • In case of a new feature add useful documentation (in docstrings or in docs/ directory). Adding a new operator? Check this short guide Consider adding an example DAG that shows how users should use it.
  • Consider using Breeze environment for testing locally, it's a heavy docker but it ships with a working Airflow and a lot of integrations.
  • Be patient and persistent. It might take some time to get a review or get the final approval from Committers.
  • Please follow ASF Code of Conduct for all communication including (but not limited to) comments on Pull Requests, Mailing list and Slack.
  • Be sure to read the Airflow Coding style.
  • Always keep your Pull Requests rebased, otherwise your build might fail due to changes not related to your commits.
    Apache Airflow is a community-driven project and together we are making it better 🚀.
    In case of doubts contact the developers at:
    Mailing List: dev@airflow.apache.org
    Slack: https://s.apache.org/airflow-slack

@jroachgolf84

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

@jroachgolf84

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There were a few other places where I think we might need to make changes.

@dheerajkumar-solanki

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There were a few other places where I think we might need to make changes.

Which places, can you provide some context, so I can update the PR.

@dheerajkumar-solanki

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ContributorAuthor

@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

Yes, I was able to run the failed DAG.

@ghost

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

@jroachgolf84

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@dheerajkumar-solanki, how are things going on your side? Have those unit-tests been run?

@dheerajkumar-solanki

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

I checked the code and previous MR, there is no change required as we have not change the function definition of databricks_task_key.

All the databricks unit test files are running fine.

@dheerajkumar-solanki

dheerajkumar-solanki commented Apr 6, 2025

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@pankajkoti@jroachgolf84 One of the tests pipeline is failing Tests / CI image checks / MyPy checks (mypy-providers) (pull_request), doesn't look like from the changes in this PR. Is it just due to my branch is not up to date with base branch or any other issue?

Also, there is another MR on this same issue (#48623), I like his solution but I think some pieces are missing in the MR. what would be next step in this MR now?

@potiuk

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rebase first and make it green

image

@dheerajkumar-solanki

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rebase first and make it green

image

@potiuk rebase is done, waiting for workflow approval to run the test again.

@potiuk
potiuk merged commit 9dcce2f into apache:mainApr 13, 2025
@boring-cyborg

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Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.

@potiuk

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Member

Thanks!

Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 19, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 21, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
jscheffl pushed a commit that referenced this pull request Jun 2, 2026
…66681)
* Lock in DatabricksTaskBaseOperator depends_on parent-key behavior
The runtime fix for issue #47614 shipped in PR #48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: #47614
* Remove manually added databricks changelog entry
Provider changelogs are regenerated from git log by the release
manager and should not be edited by hand.
* Assert depends_on reaches the Databricks Jobs API payload
Existing TestWorkflowDependsOn coverage verified the in-process
create_workflow_json() output. The new TestWorkflowDependsOnWirePayload
class drives _CreateDatabricksWorkflowOperator._create_or_reset_job end
to end and asserts on the spec that DatabricksHook.create_job /
DatabricksHook.reset_job actually receive, i.e. the payload that lands
in /api/2.1/jobs/create and /api/2.1/jobs/reset.
Both branches (no existing job -> create_job, existing job -> reset_job)
are exercised; both assert tasks[child].depends_on == [{task_key:
md5(parent)}] and tasks[parent].depends_on == [].
* Fix Databricks provider mypy timezone imports
* Fix Databricks provider timezone import compatibility
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Successfully merging this pull request may close these issues.

DatabricksNotebookOperator generating invalid dependency graph

3 participants

@dheerajkumar-solanki@jroachgolf84@potiuk
, '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

Fixing DatabricksNotebookOperator invalid dependency graph issue - #48492

Merged
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983
Apr 13, 2025
Merged

Fixing DatabricksNotebookOperator invalid dependency graph issue#48492
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983

Conversation

@dheerajkumar-solanki

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Fixing the DatabricksNotebookOperator invalid dependency graph issue, this comes when dependencies are defined in DatabricksWorkflowTaskGroup. Issue is child task DatabricksNotebookOperator and DatabricksTaskOperator task referencing itself. Issue in _generate_databricks_task_key function which is incorrectly generating depends_on task value.

closes: #47983


^ Add meaningful description above
Read the Pull Request Guidelines for more information.
In case of fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
In case of a new dependency, check compliance with the ASF 3rd Party License Policy.
In case of backwards incompatible changes please leave a note in a newsfragment file, named {pr_number}.significant.rst or {issue_number}.significant.rst, in airflow-core/newsfragments.

@boring-cyborg

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Congratulations on your first Pull Request and welcome to the Apache Airflow community! If you have any issues or are unsure about any anything please check our Contributors' Guide (https://github.com/apache/airflow/blob/main/contributing-docs/README.rst)
Here are some useful points:

  • Pay attention to the quality of your code (ruff, mypy and type annotations). Our pre-commits will help you with that.
  • In case of a new feature add useful documentation (in docstrings or in docs/ directory). Adding a new operator? Check this short guide Consider adding an example DAG that shows how users should use it.
  • Consider using Breeze environment for testing locally, it's a heavy docker but it ships with a working Airflow and a lot of integrations.
  • Be patient and persistent. It might take some time to get a review or get the final approval from Committers.
  • Please follow ASF Code of Conduct for all communication including (but not limited to) comments on Pull Requests, Mailing list and Slack.
  • Be sure to read the Airflow Coding style.
  • Always keep your Pull Requests rebased, otherwise your build might fail due to changes not related to your commits.
    Apache Airflow is a community-driven project and together we are making it better 🚀.
    In case of doubts contact the developers at:
    Mailing List: dev@airflow.apache.org
    Slack: https://s.apache.org/airflow-slack

@jroachgolf84

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

@jroachgolf84

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There were a few other places where I think we might need to make changes.

@dheerajkumar-solanki

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ContributorAuthor

There were a few other places where I think we might need to make changes.

Which places, can you provide some context, so I can update the PR.

@dheerajkumar-solanki

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ContributorAuthor

@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

Yes, I was able to run the failed DAG.

@ghost

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

@jroachgolf84

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@dheerajkumar-solanki, how are things going on your side? Have those unit-tests been run?

@dheerajkumar-solanki

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

I checked the code and previous MR, there is no change required as we have not change the function definition of databricks_task_key.

All the databricks unit test files are running fine.

@dheerajkumar-solanki

dheerajkumar-solanki commented Apr 6, 2025

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@pankajkoti@jroachgolf84 One of the tests pipeline is failing Tests / CI image checks / MyPy checks (mypy-providers) (pull_request), doesn't look like from the changes in this PR. Is it just due to my branch is not up to date with base branch or any other issue?

Also, there is another MR on this same issue (#48623), I like his solution but I think some pieces are missing in the MR. what would be next step in this MR now?

@potiuk

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Member

rebase first and make it green

image

@dheerajkumar-solanki

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rebase first and make it green

image

@potiuk rebase is done, waiting for workflow approval to run the test again.

@potiuk
potiuk merged commit 9dcce2f into apache:mainApr 13, 2025
@boring-cyborg

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Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.

@potiuk

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Member

Thanks!

Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 19, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 21, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
jscheffl pushed a commit that referenced this pull request Jun 2, 2026
…66681)
* Lock in DatabricksTaskBaseOperator depends_on parent-key behavior
The runtime fix for issue #47614 shipped in PR #48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: #47614
* Remove manually added databricks changelog entry
Provider changelogs are regenerated from git log by the release
manager and should not be edited by hand.
* Assert depends_on reaches the Databricks Jobs API payload
Existing TestWorkflowDependsOn coverage verified the in-process
create_workflow_json() output. The new TestWorkflowDependsOnWirePayload
class drives _CreateDatabricksWorkflowOperator._create_or_reset_job end
to end and asserts on the spec that DatabricksHook.create_job /
DatabricksHook.reset_job actually receive, i.e. the payload that lands
in /api/2.1/jobs/create and /api/2.1/jobs/reset.
Both branches (no existing job -> create_job, existing job -> reset_job)
are exercised; both assert tasks[child].depends_on == [{task_key:
md5(parent)}] and tasks[parent].depends_on == [].
* Fix Databricks provider mypy timezone imports
* Fix Databricks provider timezone import compatibility
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DatabricksNotebookOperator generating invalid dependency graph

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@dheerajkumar-solanki@jroachgolf84@potiuk
, '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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Fixing DatabricksNotebookOperator invalid dependency graph issue - #48492

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potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983
Apr 13, 2025
Merged

Fixing DatabricksNotebookOperator invalid dependency graph issue#48492
potiuk merged 1 commit into
apache:mainfrom
dheerajkumar-solanki:issue-47983

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@dheerajkumar-solanki

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Fixing the DatabricksNotebookOperator invalid dependency graph issue, this comes when dependencies are defined in DatabricksWorkflowTaskGroup. Issue is child task DatabricksNotebookOperator and DatabricksTaskOperator task referencing itself. Issue in _generate_databricks_task_key function which is incorrectly generating depends_on task value.

closes: #47983


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Congratulations on your first Pull Request and welcome to the Apache Airflow community! If you have any issues or are unsure about any anything please check our Contributors' Guide (https://github.com/apache/airflow/blob/main/contributing-docs/README.rst)
Here are some useful points:

  • Pay attention to the quality of your code (ruff, mypy and type annotations). Our pre-commits will help you with that.
  • In case of a new feature add useful documentation (in docstrings or in docs/ directory). Adding a new operator? Check this short guide Consider adding an example DAG that shows how users should use it.
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@jroachgolf84

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

@jroachgolf84

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There were a few other places where I think we might need to make changes.

@dheerajkumar-solanki

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There were a few other places where I think we might need to make changes.

Which places, can you provide some context, so I can update the PR.

@dheerajkumar-solanki

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@dheerajkumar-solanki, nice stuff! I was going to approach this in a bit of a different way, but I like what you did. Question; were you able to run that DAG that you originally had posted?

Yes, I was able to run the failed DAG.

@ghost

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

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@dheerajkumar-solanki, how are things going on your side? Have those unit-tests been run?

@dheerajkumar-solanki

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This was one of the places I believe would need a change (and was part of the original PR that we believe may have been "breaking").

https://github.com/apache/airflow/blob/3dbed17b0ef52b3a46483219feb4b311251990eb/providers/databricks/src/airflow/providers/databricks/plugins/databricks_workflow.py#L321C1-L337C115

I checked the code and previous MR, there is no change required as we have not change the function definition of databricks_task_key.

All the databricks unit test files are running fine.

@dheerajkumar-solanki

dheerajkumar-solanki commented Apr 6, 2025

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@pankajkoti@jroachgolf84 One of the tests pipeline is failing Tests / CI image checks / MyPy checks (mypy-providers) (pull_request), doesn't look like from the changes in this PR. Is it just due to my branch is not up to date with base branch or any other issue?

Also, there is another MR on this same issue (#48623), I like his solution but I think some pieces are missing in the MR. what would be next step in this MR now?

@potiuk

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rebase first and make it green

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@dheerajkumar-solanki

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rebase first and make it green

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@potiuk rebase is done, waiting for workflow approval to run the test again.

@potiuk
potiuk merged commit 9dcce2f into apache:mainApr 13, 2025
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Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.

@potiuk

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Thanks!

Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 19, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 21, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
Vamsi-klu pushed a commit to Vamsi-klu/airflow that referenced this pull request May 25, 2026
The runtime fix for issue apache#47614 shipped in PR apache#48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: apache#47614
jscheffl pushed a commit that referenced this pull request Jun 2, 2026
…66681)
* Lock in DatabricksTaskBaseOperator depends_on parent-key behavior
The runtime fix for issue #47614 shipped in PR #48492; this PR adds
end-to-end regression coverage so the bug cannot silently regress, plus
small type-hint and constructor-clarity follow-ups in the same area.
Tests build a real DAG + DatabricksWorkflowTaskGroup with
DatabricksNotebookOperator tasks and assert depends_on payloads for the
default-key, custom-key, >100-char-key, diamond, fan-out, root-task, and
external-upstream cases. Also fixes the existing
test_convert_to_databricks_workflow_task to pass strings (not mocks) so
the depends_on branch is actually exercised, and adds a one-line check
that _generate_databricks_task_key raises when called with a parent
task_id but no task_dict.
closes: #47614
* Remove manually added databricks changelog entry
Provider changelogs are regenerated from git log by the release
manager and should not be edited by hand.
* Assert depends_on reaches the Databricks Jobs API payload
Existing TestWorkflowDependsOn coverage verified the in-process
create_workflow_json() output. The new TestWorkflowDependsOnWirePayload
class drives _CreateDatabricksWorkflowOperator._create_or_reset_job end
to end and asserts on the spec that DatabricksHook.create_job /
DatabricksHook.reset_job actually receive, i.e. the payload that lands
in /api/2.1/jobs/create and /api/2.1/jobs/reset.
Both branches (no existing job -> create_job, existing job -> reset_job)
are exercised; both assert tasks[child].depends_on == [{task_key:
md5(parent)}] and tasks[parent].depends_on == [].
* Fix Databricks provider mypy timezone imports
* Fix Databricks provider timezone import compatibility
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Successfully merging this pull request may close these issues.

DatabricksNotebookOperator generating invalid dependency graph

3 participants

@dheerajkumar-solanki@jroachgolf84@potiuk