AlterViewAsCommand Logical Command
AlterViewAsCommand is a logical command to alter a view.
AlterViewAsCommand works with a table identifier (as TableIdentifier), the original SQL text, and a LogicalPlan for the SQL query.
AlterViewAsCommand corresponds to ALTER VIEW in SQL.
|
Note
|
AlterViewAsCommand is described by alterViewQuery labeled alternative in statement expression in SqlBase.g4 and parsed using SparkSqlParser.
|
When executed, AlterViewAsCommand attempts to alter a temporary view in the current SessionCatalog first, and if that "fails", alters the permanent view.
run Method
|
Caution
|
FIXME |
alterPermanentView Method
|
Caution
|
FIXME |