Spark upgrade 2#7637
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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>
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