[GLUTEN-11550][VL][UT] Enable Variant test suites#11726
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baibaichen wants to merge 1 commit intoapache:mainfrom
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[GLUTEN-11550][VL][UT] Enable Variant test suites#11726baibaichen wants to merge 1 commit intoapache:mainfrom
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Enable GlutenVariantEndToEndSuite, GlutenVariantShreddingSuite, and GlutenParquetVariantShreddingSuite for both spark40 and spark41. Fixes: 1. VeloxValidatorApi: Detect variant shredded structs (produced by Spark's PushVariantIntoScan) by checking __VARIANT_METADATA_KEY metadata. Triggers fallback to Spark's native Parquet reader. 2. VeloxSparkPlanExecApi: Reject to_json with non-struct/map/array child types (e.g. VariantType), falling back to Spark since Velox does not support VariantType in to_json. 3. Spark41Shims: Detect Parquet variant logical type annotations and fall back to vanilla Spark when PARQUET_IGNORE_VARIANT_ANNOTATION is not set, since Velox native reader does not check variant annotations. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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What changes are proposed in this pull request?
Enable
GlutenVariantEndToEndSuite,GlutenVariantShreddingSuite, andGlutenParquetVariantShreddingSuitefor both spark40 and spark41.Three fallback fixes:
VeloxValidatorApi.scala: Detect variant shredded structs (produced by Spark's
PushVariantIntoScan) by checking for__VARIANT_METADATA_KEYmetadata on struct fields. Triggers fallback to Spark's native Parquet reader since Velox cannot read variant shredding encoding.VeloxSparkPlanExecApi.scala + ExpressionRestrictions.scala: Reject
to_jsonwith non-struct/map/array child types (e.g.VariantType), falling back to Spark since Velox does not support VariantType in to_json.Spark41Shims.scala + ParquetMetadataUtils.scala + VeloxBackend.scala: Detect Parquet variant logical type annotations and fall back to vanilla Spark when
PARQUET_IGNORE_VARIANT_ANNOTATIONis not set, since Velox native reader does not check variant annotations.How was this patch tested?
GlutenVariantEndToEndSuite14✅,GlutenVariantShreddingSuite8✅,GlutenParquetVariantShreddingSuite5✅GlutenVariantEndToEndSuite14✅,GlutenVariantShreddingSuite8✅,GlutenParquetVariantShreddingSuite7✅Was this patch authored or co-authored using generative AI tooling?
Generated-by: GitHub Copilot CLI
Related issue: #11550
Note: This PR subsumes #11723 (GlutenParquetVariantShreddingSuite).