vatsrahul1001 opened a new pull request, #76450:
URL: https://github.com/apache/airflow/pull/76450
Backport of #73655 ("Snowflake, Databricks: emit query lineage via
OpenLineage public API") to `v3-4-test`.
**Why:** the OpenLineage e2e (`openlineage_policy_hook_lineage_dag` →
`check_events`) was failing on v3-4-test full-test PRs (e.g. #76431, #76436).
Root cause (confirmed with OL maintainer): the e2e PROD image runs the latest
released OL provider, which includes #73655 renaming SQL hook-lineage query
jobs from `<dag>.<task>.query.N` to `<dag>.<task>.hll_query.N`, but v3-4-test's
in-tree tests still expected `query.N` → mismatch ("no events emitted"). This
backport brings both the provider-source rename and the matching
expected-events to v3-4-test, realigning them with the released provider.
**Scope:** 15 files — snowflake, databricks, and openlineage provider source
+ their unit/system tests + expected-events. Clean cherry-pick (no conflicts).
This is the targeted fix for the `t_with_sql_hook.query.1` → `hll_query.1`
failure. Other OL e2e DAGs, if any still fail, may need additional test
backports (tracked separately).
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##### Was generative AI tooling used to co-author this PR?
- [X] Yes — Claude Code (Opus 4.8) assisted with preparing the backport.
Generated-by: Claude Code (Opus 4.8)
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