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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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10
src/backend/nodes/copyfuncs.c
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@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.177 2002/04/11 19:59:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.178 2002/04/16 23:08:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1526,8 +1526,7 @@ _copyAExpr(A_Expr *from)
A_Expr *newnode = makeNode(A_Expr);
newnode->oper = from->oper;
if (from->opname)
newnode->opname = pstrdup(from->opname);
Node_Copy(from, newnode, name);
Node_Copy(from, newnode, lexpr);
Node_Copy(from, newnode, rexpr);
@@ -1648,8 +1647,7 @@ _copySortGroupBy(SortGroupBy *from)
{
SortGroupBy *newnode = makeNode(SortGroupBy);
if (from->useOp)
newnode->useOp = pstrdup(from->useOp);
Node_Copy(from, newnode, useOp);
Node_Copy(from, newnode, node);
return newnode;
@@ -2128,7 +2126,7 @@ _copyRemoveOperStmt(RemoveOperStmt *from)
{
RemoveOperStmt *newnode = makeNode(RemoveOperStmt);
newnode->opname = pstrdup(from->opname);
Node_Copy(from, newnode, opname);
Node_Copy(from, newnode, args);
return newnode;