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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-12-15 12:47:01 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-12-15 12:47:01 +0000 |
| commit | 3f7fbf85dc5b42dfd33c803efe6c90533773576a (patch) | |
| tree | df8f84075ae7a27fa6b7ec0d063a03898e0b1bbb /src/backend/catalog/index.c | |
| parent | c5a27161a188b235ce3c0afb1b12e8942ac8e963 (diff) | |
| download | postgresql-3f7fbf85dc5b42dfd33c803efe6c90533773576a.tar.gz | |
Initial MVCC code.
New code for locking buffer' context.
Diffstat (limited to 'src/backend/catalog/index.c')
| -rw-r--r-- | src/backend/catalog/index.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c index 0c487bc249..29565ba285 100644 --- a/src/backend/catalog/index.c +++ b/src/backend/catalog/index.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.65 1998/12/13 04:37:50 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.66 1998/12/15 12:45:43 vadim Exp $ * * * INTERFACE ROUTINES @@ -913,7 +913,7 @@ UpdateIndexPredicate(Oid indexoid, Node *oldPred, Node *predicate) newtup = heap_modifytuple(tuple, pg_index, values, nulls, replace); - heap_replace(pg_index, &newtup->t_self, newtup); + heap_replace(pg_index, &newtup->t_self, newtup, NULL); pfree(newtup); heap_close(pg_index); @@ -1039,15 +1039,11 @@ index_create(char *heapRelationName, heapRelation = heap_open(heapoid); - /* ---------------- - * write lock heap to guarantee exclusive access - * ---------------- - RelationSetLockForWrite(heapRelation); - * ^^^^^ - * Does it have any sense ? - vadim 10/27/97 + /* + * Only SELECT ... FOR UPDATE are allowed */ - RelationSetLockForRead(heapRelation); + LockRelation(heapRelation, ShareLock); /* ---------------- * construct new tuple descriptor @@ -1195,7 +1191,7 @@ index_destroy(Oid indexId) AssertState(HeapTupleIsValid(tuple)); - heap_delete(relationRelation, &tuple->t_self); + heap_delete(relationRelation, &tuple->t_self, NULL); pfree(tuple); heap_close(relationRelation); @@ -1212,7 +1208,7 @@ index_destroy(Oid indexId) Int16GetDatum(attnum), 0, 0))) { - heap_delete(attributeRelation, &tuple->t_self); + heap_delete(attributeRelation, &tuple->t_self, NULL); pfree(tuple); attnum++; } @@ -1232,7 +1228,7 @@ index_destroy(Oid indexId) indexRelation = heap_openr(IndexRelationName); - heap_delete(indexRelation, &tuple->t_self); + heap_delete(indexRelation, &tuple->t_self, NULL); pfree(tuple); heap_close(indexRelation); @@ -1424,7 +1420,7 @@ 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, &tuple->t_self, newtup); + heap_replace(pg_class, &tuple->t_self, newtup, NULL); 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); |