AddColumns Logical Operator¶

AddColumns is an AlterTableCommand logical operator that represents ALTER TABLE ADD COLUMNS SQL statement (in a logical query plan).

Creating Instance¶

AddColumns takes the following to be created:

• Table (LogicalPlan)
• Columns to Add

AddColumns is created when:

• AstBuilder is requested to parse ALTER TABLE ADD COLUMNS statement

AlterTableAddColumnsCommand¶

AddColumns is resolved to a AlterTableAddColumnsCommand logical runnable command by ResolveSessionCatalog logical resolution rule.