DeltaMergeIntoMatchedUpdateClause — WHEN MATCHED THEN UPDATE Clause¶

DeltaMergeIntoMatchedUpdateClause is a DeltaMergeIntoMatchedClause that represents WHEN MATCHED THEN UPDATE clauses in the following:

• UpdateAction and UpdateStarAction matched actions in MergeIntoTable (Spark SQL) logical command
• DeltaMergeMatchedActionBuilder.updateAll, DeltaMergeMatchedActionBuilder.update and DeltaMergeMatchedActionBuilder.updateExpr operators

Creating Instance¶

DeltaMergeIntoMatchedUpdateClause takes the following to be created:

• Condition
• Actions

DeltaMergeIntoMatchedUpdateClause is created when:

• DeltaMergeMatchedActionBuilder is requested to updateAll and addUpdateClause
• DeltaAnalysis logical resolution rule is executed (and resolves MergeIntoTable logical command with UpdateAction and UpdateStarAction matched actions)

Actions¶

actions: Seq[Expression]

DeltaMergeIntoMatchedUpdateClause is given Expressions (Spark SQL) for the actions when created.

Condition¶

condition: Option[Expression]

DeltaMergeIntoMatchedUpdateClause can be given Expressions (Spark SQL) for the condition when created.

Clause Type¶

clauseType: String

clauseType is the following text:

Update