AlterTableDropFeature¶

AlterTableDropFeature is a AlterTableCommand (Spark SQL) unary logical operator that represents ALTER TABLE DROP FEATURE SQL command in a logical query plan.

AlterTableDropFeature supports a single feature removal (by the feature name).

Creating Instance¶

AlterTableDropFeature takes the following to be created:

• Table (LogicalPlan)
• Feature name
• truncateHistory flag

AlterTableDropFeature is created when:

• DeltaSqlAstBuilder is requested to parse ALTER TABLE DROP FEATURE SQL command