DescribeTableExec Physical Command¶
DescribeTableExec
is a physical command that represents DescribeRelation logical command at execution time.
Creating Instance¶
DescribeTableExec
takes the following to be created:
DescribeTableExec
is created when DataSourceV2Strategy execution planning strategy is executed (and plans a DescribeRelation logical command).
Executing Command¶
run(): Seq[InternalRow]
run
...FIXME
run
is part of the V2CommandExec abstraction.
Last update: 2020-11-08