[SPARK-56505][SQL][TESTS] Add SessionQueryTest to replace SharedSparkSession#56190

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fwc wants to merge 66 commits into

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fwc:sharedsparksession-refactor-mostly-nonbreaking

Commits on Jun 9, 2026

Add classic.SparkSessionProvider
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Move test.SharedSparkSessionBase functionality to sql.SharedSparkSession
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[API CHANGE]: Move doThreadPreAudit, doThreadPostAudit to sql.SharedSparkSession
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Rename sql.SharedSparkSession to sql.SparkSessionBinder to prevent shadowing
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Deprecate test.SharedSparkSession
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Add connect.SparkSession{Provider,Binder}, connect.QueryTest and demo
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Add classic.SparkSessionBinder with usage demonstration
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fixup: fix compile error
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Restructure so that SparkSessionBinder implements QueryTest, address nits
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fixup
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Have SharedSparkSession as empty alias of classic.SparkSessionBinder
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fixup
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partial refactor of connect/classic test
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rest of refactor
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Add example suite
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Minimize sql.SparkSessionBinder stuff
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WIP
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WIP: partially refactor DSv2IncrementallyConstructedQueryTests.scala
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Commits on Jun 10, 2026

Remove extra checkAnswer helpers to have on thing to override
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Add SessionQueryTest::sessionType
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Fix DSv2ExternalMutationTestBase by replacing 'isConnect' with sessionType and by implementing QueryTest
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Remove unused imports
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WIP
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Commits on Jun 12, 2026

reset connect session in beforeEach/afterEach
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Shutdown SparkConnectServer at end of afterAll, don't silence shutdown exceptions
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fix server session access in DataSourceV2DataFrameConnectSuite
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Commits on Jun 15, 2026

Extract CheckError into CheckErrorHelper
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smash
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add, fix scaladoc
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Update, extend deprecation annotations
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Add missing newline at EOF
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Commits on Jun 16, 2026

Remove unused import
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Commits on Jun 17, 2026

Merge branch 'master' into sharedsparksession-refactor-mostly-nonbreaking
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Commits on Jun 22, 2026

fixup: CheckErrorHelper
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Only use SessionQueryTestBase in DSv2ExternalMutationTestBase
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Add SQLConfHelper to SessionQueryTestBase
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Fix QueryTest::checkAnswer
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Catch analysis-time failure in CheckAnswerHelper
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CheckAnswerHelper: limit df.queryExec access to classic dfs
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fix grammar
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fix capitalization
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docstring fix
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Don't add hive.SessionQueryTest (yet)
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Add docstring for connect.SessionQueryTest::isDfSorted
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Document that SparkSessionBinderBase is temporary
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Commits on Jun 23, 2026

use precomputed analyzedDF instead of df in checkAnswer
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make connect.SparkSessionBinder::classicSession private
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fixup: rename
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add example testcase with conf stuff
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SessionQueryTestBase declares 'withConf' instead of extending SQLConfHelper
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add connect isDfSorted and connect.DataFrame::explainString
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fixup! add connect isDfSorted and connect.DataFrame::explainString
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fixup! add connect isDfSorted and connect.DataFrame::explainString
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deprecate rarely used method in SharedSparkSession
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WIP: provide isDfSorted override for connect
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fixup! add connect isDfSorted and connect.DataFrame::explainString
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Don't deprecate SharedSparkSession[Base] yet
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Don't refactor DSv2 classic/connect tests (yet)
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fixup! SessionQueryTestBase declares 'withConf' instead of extending SQLConfHelper
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Hint towards connect.SessionQueryTest in isDfSorted base case
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fix formatting
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update comment
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more comments in ExampleSessionAgnosticSuite
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Further justify withConf
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connect isDfSorted: Search for [PhotonSort]Sort in explainString
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fixup! connect isDfSorted: Search for [PhotonSort]Sort in explainString
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