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ShowCurrentNamespaceExec Physical Command

ShowCurrentNamespaceExec is a physical command that represents ShowCurrentNamespace logical command at execution time.

scala> sql("SHOW CURRENT NAMESPACE").show(truncate = false)
+-------------+---------+
|catalog      |namespace|
+-------------+---------+
|spark_catalog|default  |
+-------------+---------+

Creating Instance

ShowCurrentNamespaceExec takes the following to be created:

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

Executing Command

run(): Seq[InternalRow]

run...FIXME

run is part of the V2CommandExec abstraction.


Last update: 2020-07-25