MergeIntoTable Logical Command¶

MergeIntoTable is a BinaryCommand that represents MERGE INTO DML statement.

MergeIntoTable is a SupportsSubquery (for the source).

Creating Instance¶

MergeIntoTable takes the following to be created:

• Target Table (LogicalPlan)
• Source Table or Subquery (LogicalPlan)
• Merge Condition (Expression)
• Matched MergeActions
• Not-Matched MergeActions
• Not-Matched-by-Source MergeActions

MergeIntoTable is created when:

• AstBuilder is requested to parse MERGE INTO SQL statement

Execution Planning¶

MergeIntoTable command is not supported in Spark SQL and BasicOperators execution planning strategy throws an UnsupportedOperationException when finds any:

MERGE INTO TABLE is not supported temporarily.