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Add CREATE OR REPLACE FUNCTION syntax to allow replacing a function

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definition without changing the function's OID, thereby not breaking
rules, views, triggers, etc that depend on it.  From Gavin Sherry.
This commit is contained in:
Tom Lane
2001-10-02 21:39:36 +00:00
parent f24fe14162
commit f2c657375d
12 changed files with 130 additions and 68 deletions
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3
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 1.156 2001/09/18 01:59:06 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.157 2001/10/02 21:39:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2071,6 +2071,7 @@ _copyProcedureStmt(ProcedureStmt *from)
{
ProcedureStmt *newnode = makeNode(ProcedureStmt);
newnode->replace = from->replace;
newnode->funcname = pstrdup(from->funcname);
Node_Copy(from, newnode, argTypes);
Node_Copy(from, newnode, returnType);

4
src/backend/nodes/equalfuncs.c
View File

@@ -20,7 +20,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.104 2001/09/18 01:59:06 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.105 2001/10/02 21:39:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -941,6 +941,8 @@ _equalIndexStmt(IndexStmt *a, IndexStmt *b)
static bool
_equalProcedureStmt(ProcedureStmt *a, ProcedureStmt *b)
{
if (a->replace != b->replace)
return false;
if (!equalstr(a->funcname, b->funcname))
return false;
if (!equal(a->argTypes, b->argTypes))