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Clean up a few failures to set collation fields in expression nodes.

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I'm not sure these have any non-cosmetic implications, but I'm not sure
they don't, either.  In particular, ensure the CaseTestExpr generated
by transformAssignmentIndirection to represent the base target column
carries the correct collation, because parse_collate.c won't fix that.
Tweak lsyscache.c API so that we can get the appropriate collation
without an extra syscache lookup.
This commit is contained in:
Tom Lane
2011-03-26 14:25:48 -04:00
parent 92f4786fa9
commit b23c9fa929
9 changed files with 49 additions and 44 deletions
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2
src/backend/optimizer/plan/createplan.c
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@ -2652,6 +2652,8 @@ get_switched_clauses(List *clauses, Relids outerrelids)
temp->opfuncid = InvalidOid;
temp->opresulttype = clause->opresulttype;
temp->opretset = clause->opretset;
temp->opcollid = clause->opcollid;
temp->inputcollid = clause->inputcollid;
temp->args = list_copy(clause->args);
temp->location = clause->location;
/* Commute it --- note this modifies the temp node in-place. */