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Add FindDefaultConversionProc

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This commit is contained in:
Tatsuo Ishii 2002-07-16 06:58:14 +00:00
parent 30ec31604d
commit d49108fd73
2 changed files with 27 additions and 2 deletions
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25
src/backend/catalog/namespace.c
View File

@ -13,7 +13,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/namespace.c,v 1.24 2002/07/12 18:43:15 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/namespace.c,v 1.25 2002/07/16 06:58:14 ishii Exp $
*
*-------------------------------------------------------------------------
*/
@ -26,6 +26,7 @@
#include "catalog/dependency.h"
#include "catalog/heap.h"
#include "catalog/namespace.h"
#include "catalog/pg_conversion.h"
#include "catalog/pg_inherits.h"
#include "catalog/pg_namespace.h"
#include "catalog/pg_opclass.h"
@ -1268,6 +1269,28 @@ PopSpecialNamespace(Oid namespaceId)
namespaceSearchPathValid = false;
}
/*
* FindDefaultConversionProc - find default encoding cnnversion proc
*/
Oid FindDefaultConversionProc(int4 for_encoding, int4 to_encoding)
{
Oid proc;
List *lptr;
recomputeNamespacePath();
foreach(lptr, namespaceSearchPath)
{
Oid namespaceId = (Oid) lfirsti(lptr);
proc = FindDefaultConversion(namespaceId, for_encoding, to_encoding);
if (OidIsValid(proc))
return proc;
}
/* Not found in path */
return InvalidOid;
}
/*
* recomputeNamespacePath - recompute path derived variables if needed.

4
src/include/catalog/namespace.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: namespace.h,v 1.15 2002/06/20 20:29:43 momjian Exp $
* $Id: namespace.h,v 1.16 2002/07/16 06:58:13 ishii Exp $
*
*-------------------------------------------------------------------------
*/
@ -75,6 +75,8 @@ extern bool isTempNamespace(Oid namespaceId);
extern void PushSpecialNamespace(Oid namespaceId);
extern void PopSpecialNamespace(Oid namespaceId);
extern Oid FindDefaultConversionProc(int4 for_encoding, int4 to_encoding);
/* initialization & transaction cleanup code */
extern void InitializeSearchPath(void);
extern void AtEOXact_Namespace(bool isCommit);