ShowTablesExec Physical Command¶

ShowTablesExec is a physical command that represents a ShowTables logical command at execution time.

ShowTablesExec is a leaf physical operator.

Creating Instance¶

ShowTablesExec takes the following to be created:

• Output Attributes
• TableCatalog
• Multi-Part Namespace
• Optional Pattern (of tables to show)

ShowTablesExec is created when DataSourceV2Strategy execution planning strategy is requested to plan a ShowTables logical command.

Executing Command¶

run(): Seq[InternalRow]

run requests the TableCatalog to listTables in the namespace.

run returns tables that match the pattern if defined or all the tables available.

run is part of the V2CommandExec abstraction.