[SPARK-56632][CONNECT][TESTS][4.2] Add E2E test for self-join reusing a DataFrame#56287
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[SPARK-56632][CONNECT][TESTS][4.2] Add E2E test for self-join reusing a DataFrame#56287longvu-db wants to merge 2 commits into
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… a DataFrame ### What changes were proposed in this pull request? Adds an end-to-end Spark Connect test that joins two independently constructed DataFrames over the same data and selects columns from both sides. ### Why are the changes needed? To verify column resolution from both sides of a self-join reusing a DataFrame works (post SPARK-56632). ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? New test in `ClientE2ETestSuite`.
…ernal write between resolutions Rewrite the test to resolve the same table twice (version X and version X+1 after an external write) and self-join the two DataFrames, matching the reported scenario.
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What changes were proposed in this pull request?
Adds an end-to-end Spark Connect test (
ClientE2ETestSuite) that joins two independently constructed DataFrames over the same data and selects columns from both sides of the self-join.Why are the changes needed?
To verify that column resolution from both sides of a self-join reusing a DataFrame works correctly (post SPARK-56632).
Does this PR introduce any user-facing change?
No.
How was this patch tested?
New test in
ClientE2ETestSuite.