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org.apache.spark.sql.catalyst.planning

GroupBasedRowLevelOperation

object GroupBasedRowLevelOperation

An extractor for row-level commands such as DELETE, UPDATE, MERGE that were rewritten using plans that operate on groups of rows.

This class extracts the following entities:

  • the group-based rewrite plan;
  • the condition that defines matching groups;
  • the read relation that can be either DataSourceV2Relation or DataSourceV2ScanRelation depending on whether the planning has already happened;
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  1. type ReturnType = (ReplaceData, Expression, LogicalPlan)

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