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copy_relation_data was mistakenly assuming that the source relation 

would always be already open at the smgr level.  Per bug report from
Fabien Coelho.
This commit is contained in:
Tom Lane 2004-08-31 15:56:39 +00:00
parent b4456e6d6a
commit 556110f4e0
1 changed files with 5 additions and 2 deletions
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7
src/backend/commands/tablecmds.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.129 2004/08/29 05:06:41 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.130 2004/08/31 15:56:39 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -5434,7 +5434,7 @@ ATExecSetTableSpace(Oid tableOid, Oid newTableSpace)
static void
copy_relation_data(Relation rel, SMgrRelation dst)
{
SMgrRelation src = rel->rd_smgr;
SMgrRelation src;
bool use_wal;
BlockNumber nblocks;
BlockNumber blkno;
@ -5457,6 +5457,9 @@ copy_relation_data(Relation rel, SMgrRelation dst)
use_wal = XLogArchivingActive() && !rel->rd_istemp;
nblocks = RelationGetNumberOfBlocks(rel);
/* RelationGetNumberOfBlocks will certainly have opened rd_smgr */
src = rel->rd_smgr;
for (blkno = 0; blkno < nblocks; blkno++)
{
smgrread(src, blkno, buf);