UpdateTable Logical Operator¶

UpdateTable is a Command that represents UPDATE SQL statement.

UpdateTable is a SupportsSubquery.

Creating Instance¶

UpdateTable takes the following to be created:

Table (LogicalPlan)
Assignments
Condition Expression (optional)

UpdateTable is created when:

AstBuilder is requested to parse UPDATE SQL statement

Execution Planning¶

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

UPDATE TABLE is not supported temporarily.

Note

UpdateTable is to allow custom data sources to support UPDATE SQL statement (and so does Delta Lake).