SetCatalogAndNamespaceExec Physical Command¶

SetCatalogAndNamespaceExec is a physical command that represents SetCatalogAndNamespace logical command at execution time.

val ns = "my_space"
sql(s"CREATE NAMESPACE IF NOT EXISTS $ns")

sql(s"USE NAMESPACE $ns")

sql("SHOW CURRENT NAMESPACE").show(truncate = false)
// +-------------+---------+
// |catalog      |namespace|
// +-------------+---------+
// |spark_catalog|my_space |
// +-------------+---------+

Creating Instance¶

SetCatalogAndNamespaceExec takes the following to be created:

• CatalogManager
• Optional Catalog Name
• Optional Namespace

SetCatalogAndNamespaceExec is created when DataSourceV2Strategy execution planning strategy is executed (and plans a SetCatalogAndNamespace logical command).