I think I found a bug, or at least a discrepancy. Afaict the
transformSetOperationsStmt function should have identical code to
transformSelectStmt outside of the operations affected by set operations. If
that's the case then the SELECT INTO/CREATE TABLE AS code was not updated when
last it was touched for regular queries.
I think this means WITH[OUT] OIDS and WITH <definition> won't currently work
correctly if the select query involves a UNION or other set operation. Also
temporary tables created with an ON COMMIT option will ignore it and any
tablespace directive will be ignored.
Should I just copy the same code over or is anyone interested in refactoring
this? Or do I have it wrong somehow?
/* handle any SELECT INTO/CREATE TABLE AS spec */
qry->into = stmt->into;
qry->intoOptions = copyObject(stmt->intoOptions);
qry->intoOnCommit = stmt->intoOnCommit;
qry->intoTableSpaceName = stmt->intoTableSpaceName;
* Handle SELECT INTO/CREATE TABLE AS.
* Any column names from CREATE TABLE AS need to be attached to both the
* top level and the leftmost subquery. We do not do this earlier
* we do *not* want sortClause processing to be affected.
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