Abhishek Radhakrishnan d02bb8bb6e
Set explain attributes after the query is prepared (#14490)
* Add support for DML WITH AS.

* One more UT for with as subquery.

* Add a test with join query

* Use root query prepared node instead of individual SqlNode types.

- Set the explain plan attributes after the query is prepared when
the query is planned and we've the finalized output names in the root
source rel node.
- Adjust tests; add unit test for negative ordinal case.
- Remove the exception / error handling logic from resolveClusteredBy
function since the validations now happen before it comes to the function

* Update comment.
2023-07-06 14:13:32 -04:00
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