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REINDEX under WAL.

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This commit is contained in:
Hiroshi Inoue
2000-12-08 06:17:58 +00:00
parent 8d7c0851a3
commit d7892e0263
5 changed files with 252 additions and 27 deletions
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61
src/backend/utils/cache/relcache.c vendored
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/cache/relcache.c,v 1.118 2000/11/30 18:38:46 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/cache/relcache.c,v 1.119 2000/12/08 06:17:56 inoue Exp $
*
*-------------------------------------------------------------------------
*/
@ -250,6 +250,10 @@ do { \
/* non-export function prototypes */
static void RelationClearRelation(Relation relation, bool rebuildIt);
#ifdef ENABLE_REINDEX_NAILED_RELATIONS
static void RelationReloadClassinfo(Relation relation);
#endif /* ENABLE_REINDEX_NAILED_RELATIONS */
static void RelationResetRelation(Relation relation, bool rebuildIt);
static void RelationFlushRelation(Relation *relationPtr,
int skipLocalRelations);
static Relation RelationNameCacheGetRelation(const char *relationName);
@ -387,6 +391,15 @@ scan_pg_rel_ind(RelationBuildDescInfo buildinfo)
HeapTuple return_tuple;
pg_class_desc = heap_openr(RelationRelationName, AccessShareLock);
/*
* If the indexes of pg_class are deactivated
* we have to call scan_pg_rel_seq() instead.
*/
if (!pg_class_desc->rd_rel->relhasindex)
{
heap_close(pg_class_desc, AccessShareLock);
return scan_pg_rel_seq(buildinfo);
}
switch (buildinfo.infotype)
{
@ -1555,6 +1568,45 @@ RelationClose(Relation relation)
RelationDecrementReferenceCount(relation);
}
#ifdef ENABLE_REINDEX_NAILED_RELATIONS
/* --------------------------------
* RelationReloadClassinfo
*
* This function is especially for nailed relations.
* relhasindex/relfilenode could be changed even for
* nailed relations.
* --------------------------------
*/
static void
RelationReloadClassinfo(Relation relation)
{
RelationBuildDescInfo buildinfo;
HeapTuple pg_class_tuple;
Form_pg_class relp;
if (!relation->rd_rel)
return;
buildinfo.infotype = INFO_RELID;
buildinfo.i.info_id = relation->rd_id;
pg_class_tuple = ScanPgRelation(buildinfo);
if (!HeapTupleIsValid(pg_class_tuple))
{
elog(ERROR, "RelationReloadClassinfo system relation id=%d doesn't exist", relation->rd_id);
return;
}
RelationCacheDelete(relation);
relp = (Form_pg_class) GETSTRUCT(pg_class_tuple);
memcpy((char *) relation->rd_rel, (char *) relp, CLASS_TUPLE_SIZE);
relation->rd_node.relNode = relp->relfilenode;
RelationCacheInsert(relation);
heap_freetuple(pg_class_tuple);
fprintf(stderr, "RelationClearRelation nailed %s hasindex=%d relfilenode=%d,%d\n",
RelationGetRelationName(relation), relation->rd_rel->relhasindex,
relation->rd_rel->relfilenode, relation->rd_node.relNode);
return;
}
#endif /* ENABLE_REINDEX_NAILED_RELATIONS */
/* --------------------------------
* RelationClearRelation
*
@ -1588,7 +1640,14 @@ RelationClearRelation(Relation relation, bool rebuildIt)
* we'd be unable to recover.
*/
if (relation->rd_isnailed)
#ifdef ENABLE_REINDEX_NAILED_RELATIONS
{
RelationReloadClassinfo(relation);
#endif /* ENABLE_REINDEX_NAILED_RELATIONS */
return;
#ifdef ENABLE_REINDEX_NAILED_RELATIONS
}
#endif /* ENABLE_REINDEX_NAILED_RELATIONS */
/*
* Remove relation from hash tables