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:

• Output Attributes
• Table
• isExtended flag

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.