cherry pick 10130c5d1d : Preserve AO storage options during internal CTAS #690
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cherry pick greenplum-db/gpdb-archive@10130c5d1d
This change is an extension of the PR #13246.
The commit c121bcd83c9 fixes the bug for
ALTER TABLE EXPAND TABLE and ALTER TABLE SET DISTRIBUTED BY operations on AO tables with indexes.
These operations on AO tables with indexes are executed with CT + IIS whereas on AO tables without indexes which are executed with CTAS
The bug about not preserving storage options is also present for ALTER TABLE on AO tables without indexes case. This change fixes that bug by adding the storage options preservation logic to AT calls for AO tables which go through an internal CTAS.
fix #ISSUE_Number
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