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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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src/backend/executor/nodeSubplan.c
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@ -831,7 +831,7 @@ ExecInitSubPlan(SubPlan *subplan, PlanState *parent)
/* Lookup the equality function (potentially cross-type) */
fmgr_info(opexpr->opfuncid, &sstate->cur_eq_funcs[i - 1]);
sstate->cur_eq_funcs[i - 1].fn_expr = (Node *) opexpr;
fmgr_info_expr((Node *) opexpr, &sstate->cur_eq_funcs[i - 1]);
/* Look up the equality function for the RHS type */
if (!get_compatible_hash_operators(opexpr->opno,