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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/include/commands/defrem.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: defrem.h,v 1.35 2002/04/15 05:22:03 tgl Exp $
* $Id: defrem.h,v 1.36 2002/04/16 23:08:12 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -42,7 +42,7 @@ extern void CreateFunction(ProcedureStmt *stmt);
extern void RemoveFunction(List *functionName, List *argTypes);
extern void DefineOperator(List *names, List *parameters);
extern void RemoveOperator(char *operatorName,
extern void RemoveOperator(List *operatorName,
TypeName *typeName1, TypeName *typeName2);
extern void DefineAggregate(List *names, List *parameters);