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Use fork names instead of numbers in the file names for additional

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relation forks. While the file names are not visible to users, for those
that do peek into the data directory, it's nice to have more descriptive
names. Per Greg Stark's suggestion.
This commit is contained in:
Heikki Linnakangas
2008-10-06 14:13:17 +00:00
parent e59ad5fbb6
commit 5f853c6556
9 changed files with 67 additions and 64 deletions
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11
contrib/pageinspect/rawpage.c
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@ -8,7 +8,7 @@
* Copyright (c) 2007-2008, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/contrib/pageinspect/rawpage.c,v 1.7 2008/09/30 10:52:09 heikki Exp $
* $PostgreSQL: pgsql/contrib/pageinspect/rawpage.c,v 1.8 2008/10/06 14:13:17 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@ -17,6 +17,7 @@
#include "access/heapam.h"
#include "access/transam.h"
#include "catalog/catalog.h"
#include "catalog/namespace.h"
#include "catalog/pg_type.h"
#include "fmgr.h"
@ -41,8 +42,9 @@ Datum
get_raw_page(PG_FUNCTION_ARGS)
{
text *relname = PG_GETARG_TEXT_P(0);
uint32 forknum = PG_GETARG_UINT32(1);
text *forkname = PG_GETARG_TEXT_P(1);
uint32 blkno = PG_GETARG_UINT32(2);
ForkNumber forknum;
Relation rel;
RangeVar *relrv;
@ -55,10 +57,7 @@ get_raw_page(PG_FUNCTION_ARGS)
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
(errmsg("must be superuser to use raw functions"))));
if (forknum > MAX_FORKNUM)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid fork number")));
forknum = forkname_to_number(text_to_cstring(forkname));
relrv = makeRangeVarFromNameList(textToQualifiedNameList(relname));
rel = relation_openrv(relrv, AccessShareLock);