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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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4
src/backend/nodes/outfuncs.c
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@@ -5,7 +5,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.154 2002/04/11 19:59:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.155 2002/04/16 23:08:10 tgl Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
@@ -1285,7 +1285,7 @@ _outAExpr(StringInfo str, A_Expr *node)
appendStringInfo(str, "NOT ");
break;
case OP:
_outToken(str, node->opname);
_outNode(str, node->name);
appendStringInfo(str, " ");
break;
default: