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Operators live in namespaces. CREATE/DROP/COMMENT ON OPERATOR take

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qualified operator names directly, for example CREATE OPERATOR myschema.+
( ... ).  To qualify an operator name in an expression you need to write
OPERATOR(myschema.+) (thanks to Peter for suggesting an escape hatch).
I also took advantage of having to reformat pg_operator to fix something
that'd been bugging me for a while: mergejoinable operators should have
explicit links to the associated cross-data-type comparison operators,
rather than hardwiring an assumption that they are named < and >.
This commit is contained in:
Tom Lane
2002-04-16 23:08:12 +00:00
parent 4da51bfd6d
commit 6cef5d2549
39 changed files with 1953 additions and 1803 deletions
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5
src/backend/executor/nodeAgg.c
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@ -46,7 +46,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeAgg.c,v 1.81 2002/04/11 19:59:58 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeAgg.c,v 1.82 2002/04/16 23:08:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -925,7 +925,8 @@ ExecInitAgg(Agg *node, EState *estate, Plan *parent)
&peraggstate->inputtypeLen,
&peraggstate->inputtypeByVal);
eq_function = compatible_oper_funcid("=", inputType, inputType,
eq_function = compatible_oper_funcid(makeList1(makeString("=")),
inputType, inputType,
true);
if (!OidIsValid(eq_function))
elog(ERROR, "Unable to identify an equality operator for type '%s'",