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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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8
src/backend/nodes/equalfuncs.c
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@@ -20,7 +20,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.125 2002/04/11 19:59:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.126 2002/04/16 23:08:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -969,7 +969,7 @@ _equalRemoveFuncStmt(RemoveFuncStmt *a, RemoveFuncStmt *b)
static bool
_equalRemoveOperStmt(RemoveOperStmt *a, RemoveOperStmt *b)
{
if (!equalstr(a->opname, b->opname))
if (!equal(a->opname, b->opname))
return false;
if (!equal(a->args, b->args))
return false;
@@ -1400,7 +1400,7 @@ _equalAExpr(A_Expr *a, A_Expr *b)
{
if (a->oper != b->oper)
return false;
if (!equalstr(a->opname, b->opname))
if (!equal(a->name, b->name))
return false;
if (!equal(a->lexpr, b->lexpr))
return false;
@@ -1520,7 +1520,7 @@ _equalTypeCast(TypeCast *a, TypeCast *b)
static bool
_equalSortGroupBy(SortGroupBy *a, SortGroupBy *b)
{
if (!equalstr(a->useOp, b->useOp))
if (!equal(a->useOp, b->useOp))
return false;
if (!equal(a->node, b->node))
return false;