AddColumns Logical Operator¶
AddColumns is an
AlterTableCommand logical operator that represents ALTER TABLE ADD COLUMNS SQL statement (in a logical query plan).
AddColumns takes the following to be created:
- Table (LogicalPlan)
- Columns to Add
AddColumns is created when:
AstBuilderis requested to parse ALTER TABLE ADD COLUMNS statement
AddColumns is resolved to a AlterTableAddColumnsCommand logical runnable command by ResolveSessionCatalog logical resolution rule.