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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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6
src/backend/commands/analyze.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.31 2002/04/12 20:38:20 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.32 2002/04/16 23:08:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -398,7 +398,7 @@ examine_attribute(Relation onerel, int attnum)
return NULL;
/* If column has no "=" operator, we can't do much of anything */
func_operator = compatible_oper("=",
func_operator = compatible_oper(makeList1(makeString("=")),
attr->atttypid,
attr->atttypid,
true);
@ -436,7 +436,7 @@ examine_attribute(Relation onerel, int attnum)
stats->eqfunc = eqfunc;
/* Is there a "<" operator with suitable semantics? */
func_operator = compatible_oper("<",
func_operator = compatible_oper(makeList1(makeString("<")),
attr->atttypid,
attr->atttypid,
true);