Qiegang Long created SPARK-55617:
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Summary: Add VariantGet to V2ExpressionBuilder for DSv2 filter
pushdown
Key: SPARK-55617
URL: https://issues.apache.org/jira/browse/SPARK-55617
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 4.1.0
Reporter: Qiegang Long
This is to support predicate pushdown for variant_get & try_variant_get.
Add a VariantGet case in V2ExpressionBuilder.generateExpression() so that
variant_get and try_variant_get predicates can be translated into V2
UserDefinedScalarFunc, and pushed down to connectors via
SupportsPushDownV2Filters.
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