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mirror of https://github.com/postgres/postgres.git synced 2025-11-13 16:22:44 +03:00

Another vacuum fix.

This commit is contained in:
Bruce Momjian
1998-08-20 15:16:59 +00:00
parent 09e125084a
commit 31309423c9
4 changed files with 46 additions and 21 deletions

View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.48 1998/08/19 02:01:32 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.49 1998/08/20 15:16:54 momjian Exp $
*
*
* INTERFACE ROUTINES
@@ -1308,6 +1308,7 @@ UpdateStats(Oid relid, long reltuples, bool hasindex)
Datum values[Natts_pg_class];
char nulls[Natts_pg_class];
char replace[Natts_pg_class];
HeapScanDesc pg_class_scan = NULL;
/* ----------------
* This routine handles updates for both the heap and index relation
@@ -1340,11 +1341,30 @@ UpdateStats(Oid relid, long reltuples, bool hasindex)
if (!RelationIsValid(pg_class))
elog(ERROR, "UpdateStats: could not open RELATION relation");
tuple = SearchSysCacheTupleCopy(RELOID,
ObjectIdGetDatum(relid),
0, 0, 0);
if (!IsBootstrapProcessingMode())
{
tuple = SearchSysCacheTupleCopy(RELOID,
ObjectIdGetDatum(relid),
0, 0, 0);
}
else
{
ScanKeyData key[1];
ScanKeyEntryInitialize(&key[0], 0,
ObjectIdAttributeNumber,
F_OIDEQ,
ObjectIdGetDatum(relid));
pg_class_scan = heap_beginscan(pg_class, 0, SnapshotNow, 1, key);
tuple = heap_getnext(pg_class_scan, 0);
}
if (!HeapTupleIsValid(tuple))
{
if (IsBootstrapProcessingMode())
heap_endscan(pg_class_scan);
heap_close(pg_class);
elog(ERROR, "UpdateStats: cannot scan RELATION relation");
}
@@ -1385,11 +1405,11 @@ UpdateStats(Oid relid, long reltuples, bool hasindex)
* At bootstrap time, we don't need to worry about concurrency or
* visibility of changes, so we cheat.
*/
rd_rel = (Form_pg_class) GETSTRUCT(tuple);
rd_rel->relpages = relpages;
rd_rel->reltuples = reltuples;
rd_rel->relhasindex = hasindex;
WriteBuffer(pg_class_scan->rs_cbuf);
}
else
{
@@ -1402,14 +1422,18 @@ UpdateStats(Oid relid, long reltuples, bool hasindex)
values[Anum_pg_class_relhasindex - 1] = CharGetDatum(hasindex);
newtup = heap_modifytuple(tuple, pg_class, values, nulls, replace);
heap_replace(pg_class, &newtup->t_ctid, newtup);
heap_replace(pg_class, &tuple->t_ctid, newtup);
pfree(newtup);
CatalogOpenIndices(Num_pg_class_indices, Name_pg_class_indices, idescs);
CatalogIndexInsert(idescs, Num_pg_class_indices, pg_class, newtup);
CatalogCloseIndices(Num_pg_class_indices, idescs);
}
pfree(tuple);
if (!IsBootstrapProcessingMode())
pfree(tuple);
else
heap_endscan(pg_class_scan);
heap_close(pg_class);
heap_close(whichRel);
}

View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.20 1998/08/19 02:01:33 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.21 1998/08/20 15:16:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -254,7 +254,7 @@ CatalogIndexFetchTuple(Relation heapRelation,
index_endscan(sd);
pfree(sd);
return (tuple);
return tuple;
}
/*
@@ -276,7 +276,7 @@ AttributeNameIndexScan(Relation heapRelation,
(bits16) 0x0,
(AttrNumber) 1,
(RegProcedure)F_OIDEQ,
Int32GetDatum(relid));
ObjectIdGetDatum(relid));
ScanKeyEntryInitialize(&skey[1],
(bits16) 0x0,
@@ -456,7 +456,7 @@ ClassNameIndexScan(Relation heapRelation, char *relName)
(bits16) 0x0,
(AttrNumber) 1,
(RegProcedure) F_NAMEEQ,
(Datum) relName);
PointerGetDatum(relName));
idesc = index_openr(ClassNameIndex);
tuple = CatalogIndexFetchTuple(heapRelation, idesc, skey, 1);