DeltaDelete Unary Logical Command¶

DeltaDelete is an unary logical operator (Spark SQL) that represents DeleteFromTables (Spark SQL) at execution.

As per the comment:

Needs to be compatible with DBR 6 and can't use the new class added in Spark 3.0: DeleteFromTable.

Creating Instance¶

DeltaDelete takes the following to be created:

• Child LogicalPlan (Spark SQL)
• Condition Expression (Spark SQL)

DeltaDelete is created when:

• DeltaAnalysis logical resolution rule is executed and resolves DeleteFromTables

Logical Resolution¶

DeltaDelete is resolved to a DeleteCommand when PreprocessTableDelete post-hoc logical resolution rule is executed.