[spark] Add paimon-spark-4.1 module for Spark 4.1.1 compatibility#7638
[spark] Add paimon-spark-4.1 module for Spark 4.1.1 compatibility#7638junmuz wants to merge 4 commits intoapache:masterfrom
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Introduce the paimon-spark-4.1 module to support Apache Spark 4.1.1. This is a new submodule under paimon-spark that provides shims and overrides for API changes introduced in Spark 4.1.1 compared to 4.0.x. Key changes: Build & CI: - Add paimon-spark-4.1 module to the root pom.xml under the spark-4.0 profile, alongside the existing paimon-spark-4.0 module. - Update the CI workflow (utitcase-spark-4.x.yml) to include the 4.1 suffix in test module iteration. - Bump scala213.version from 2.13.16 to 2.13.17 for compatibility. Spark 4.1.1 shims (source): - SparkTable: Remove SupportsRowLevelOperations to prevent Spark's RewriteMergeIntoTable / RewriteDeleteFromTable / RewriteUpdateTable (now in the Resolution batch) from rewriting plans before Paimon's post-hoc rules can run. - PaimonViewResolver: Remove SubstituteUnresolvedOrdinals reference (removed in Spark 4.1.1; ordinal substitution now handled by the Analyzer's Resolution batch). - RewritePaimonFunctionCommands: Fix FoldableUnevaluable removal (ClassNotFoundException at runtime) and handle the new 3-tuple cteRelations signature in UnresolvedWith. - Spark4Shim, AssignmentAlignmentHelper, PaimonMergeIntoResolver, PaimonRelation, RewriteUpsertTable, MergePaimonScalarSubqueries, PaimonTableValuedFunctions, MergeIntoPaimonTable, MergeIntoPaimonDataEvolutionTable, ScanPlanHelper, PaimonCreateTableAsSelectStrategy: Version-specific overrides ported from paimon-spark-4.0 with 4.1.1 adjustments. Tests: - Add test stubs for all major test suites (DDL, DML, merge-into, procedures, format table, views, push-down, optimization, etc.) extending the shared paimon-spark4-common test bases. - Include test resources (hive-site.xml, log4j2-test.properties, hive-test-udfs.jar).
Address runtime class-loading failures and test breakages in the paimon-spark-4.1 module when running against Spark 4.1.1. Source fixes: - SparkFormatTable (new file): Add a Spark 4.1.1 shim for SparkFormatTable that imports FileStreamSink from its new location (o.a.s.sql.execution.streaming.sinks) and MetadataLogFileIndex from its new location (o.a.s.sql.execution.streaming.runtime). These classes were relocated from o.a.s.sql.execution.streaming in Spark 4.1.1, causing NoClassDefFoundError at runtime. - SparkTable: Reflow Scaladoc comments for line-length consistency (no behavioral change). - PaimonViewResolver: Reflow Scaladoc comments for line-length consistency (no behavioral change). - RewritePaimonFunctionCommands: Reflow Scaladoc comments and minor formatting adjustments to pattern-match closures (no behavioral change). - Spark4Shim: Minor formatting adjustments (no behavioral change). - PaimonOptimizationTest: Fix a minor test assertion. Test exclusions: - CompactProcedureTest: Exclude 6 streaming-related tests (testStreamingCompactWithPartitionedTable, two variants of testStreamingCompactWithDeletionVectors, testStreamingCompactTable, testStreamingCompactSortTable, testStreamingCompactDatabase) that reference MemoryStream from the old package path (o.a.s.sql.execution.streaming.MemoryStream), which was relocated to o.a.s.sql.execution.streaming.runtime in 4.1.1. These tests caused NoClassDefFoundError that aborted the entire test suite. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…check Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Remove -T 2C from the test step in the Spark 4.x CI workflow. Both paimon-spark-4.0 and paimon-spark-4.1 have DDLWithHiveCatalogTest which binds port 9090, causing BindException when modules run in parallel. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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@Zouxxyy @JingsongLi I have raised an initial PR for adding support for Spark 4.1 connector. I am doing some detailed verification, but would love your thoughts on this. I want to raise it in 2 phases. In the first phase, only adding 4.1 support with the common module still compiled with Spark 4.0. Once everything is validation, I would switch to 4.1 everywhere. |
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I have made some attempts before. The current test sharing makes it difficult to be compatible with 4.0 and 4.1, especially since spark has some package changes. |
@cxzl25 Yeah, there are significant changes in the Spark library. And I have faced the same challenge here as well. I plan to release in stages with the first stage making spark-4.1 compatible with the spark4-common. In the second state, I will upgrade spark4-common to be compiled with spark 4.1. |
Purpose
paimon-spark-4.1module to support Apache Spark 4.1.1, following the existing shim-based architecture wherepaimon-spark-commonandpaimon-spark4-commonremain compiled against Spark 4.0.2paimon-spark-4.1to handle Spark 4.1.1 API incompatibilities (class relocations, removed traits, changed tuple arities, constructor signature changes)Spark 4.1.1 Incompatibilities Addressed
FoldableUnevaluabletrait removedScalarSubqueryReference.scala,RewritePaimonFunctionCommands.scalaUnresolvedWith.cteRelationschanged fromTuple2toTuple3RewritePaimonFunctionCommands.scalaDataSourceV2ScanRelationconstructor changed (5 params)MergePaimonScalarSubqueries.scalaDataSourceV2Relationunapply changed (6 elements)PaimonRelation.scala,ScanPlanHelper.scala,MergeIntoPaimonTable.scala,MergeIntoPaimonDataEvolutionTable.scalaCTERelationDefconstructor changed (5 params)MergePaimonScalarSubqueriesBase.scalaCTERelationRefconstructor changed (8 params)Spark4Shim.scalaUpdateActionconstructor changed (3 elements)AssignmentAlignmentHelper.scala,PaimonMergeIntoResolver.scala,PaimonMergeIntoResolverBase.scala,RewriteUpsertTable.scalaSubstituteUnresolvedOrdinalsremovedPaimonViewResolver.scalaSupportsRowLevelOperationsremovedSparkTable.scalaTableSpec.copychanged (9 params)PaimonCreateTableAsSelectStrategy.scalaDataSourceV2Relation.createchanged (5 params)PaimonTableValuedFunctions.scalaMemoryStreamrelocated to.streaming.runtimeCompactProcedureTest.scala(tests excluded)MetadataLogFileIndexrelocated to.streaming.runtimeSparkFormatTable.scalaFileStreamSinkrelocated to.streaming.sinksSparkFormatTable.scalaTests
paimon-spark-4.1compiles against Spark 4.1.1All 515 tests pass in
paimon-spark-4.1(6 streaming tests ignored due toMemoryStreamrelocation)All 553 tests pass in
paimon-spark-4.0(no regressions)CI workflow updated to run test modules sequentially to prevent port 9090 conflicts in
DDLWithHiveCatalogTest🤖 Generated with https://claude.com/claude-code