DropNamespaceExec Physical Command¶

DropNamespaceExec is a leaf V2CommandExec that represents a DropNamespace logical operator at execution.

Creating Instance¶

DropNamespaceExec takes the following to be created:

• CatalogPlugin
• Namespace (Seq[String])
• ifExists flag
• cascade flag

DropNamespaceExec is created when:

• DataSourceV2Strategy execution planning strategy is executed (to plan DropNamespace logical operator)

Executing Command¶

run(): Seq[InternalRow]

run requests the CatalogPlugin for SupportsNamespaces representation.

run asks the CatalogPlugin (as a SupportsNamespaces) if the namespace exists and, if so, drops it.