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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/optimizer/util/predtest.c
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@ -912,6 +912,7 @@ arrayconst_startup_fn(Node *clause, PredIterInfo info)
state->constexpr.xpr.type = T_Const;
state->constexpr.consttype = ARR_ELEMTYPE(arrayval);
state->constexpr.consttypmod = -1;
state->constexpr.constcollid = arrayconst->constcollid;
state->constexpr.constlen = elmlen;
state->constexpr.constbyval = elmbyval;
lsecond(state->opexpr.args) = &state->constexpr;