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Per-column collation support

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This adds collation support for columns and domains, a COLLATE clause
to override it per expression, and B-tree index support.

Peter Eisentraut
reviewed by Pavel Stehule, Itagaki Takahiro, Robert Haas, Noah Misch
This commit is contained in:
Peter Eisentraut
2011-02-08 23:04:18 +02:00
parent 1703f0e8da
commit 414c5a2ea6
156 changed files with 4519 additions and 582 deletions
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3
src/backend/optimizer/plan/setrefs.c
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@ -213,9 +213,11 @@ set_plan_references(PlannerGlobal *glob, Plan *plan,
newrte->funcexpr = NULL;
newrte->funccoltypes = NIL;
newrte->funccoltypmods = NIL;
newrte->funccolcollations = NIL;
newrte->values_lists = NIL;
newrte->ctecoltypes = NIL;
newrte->ctecoltypmods = NIL;
newrte->ctecolcollations = NIL;
glob->finalrtable = lappend(glob->finalrtable, newrte);
@ -1119,6 +1121,7 @@ set_dummy_tlist_references(Plan *plan, int rtoffset)
tle->resno,
exprType((Node *) oldvar),
exprTypmod((Node *) oldvar),
exprCollation((Node *) oldvar),
0);
if (IsA(oldvar, Var))
{