diff options
Diffstat (limited to 'src/backend/access/hash/hashpage.c')
| -rw-r--r-- | src/backend/access/hash/hashpage.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/src/backend/access/hash/hashpage.c b/src/backend/access/hash/hashpage.c index 1cb18a75138..d5b65027751 100644 --- a/src/backend/access/hash/hashpage.c +++ b/src/backend/access/hash/hashpage.c @@ -345,6 +345,7 @@ _hash_init(Relation rel, double num_tuples, ForkNumber forkNum) int32 ffactor; uint32 num_buckets; uint32 i; + bool use_wal; /* safety check */ if (RelationGetNumberOfBlocksInFork(rel, forkNum) != 0) @@ -352,6 +353,13 @@ _hash_init(Relation rel, double num_tuples, ForkNumber forkNum) RelationGetRelationName(rel)); /* + * WAL log creation of pages if the relation is persistent, or this is the + * init fork. Init forks for unlogged relations always need to be WAL + * logged. + */ + use_wal = RelationNeedsWAL(rel) || forkNum == INIT_FORKNUM; + + /* * Determine the target fill factor (in tuples per bucket) for this index. * The idea is to make the fill factor correspond to pages about as full * as the user-settable fillfactor parameter says. We can compute it @@ -384,7 +392,7 @@ _hash_init(Relation rel, double num_tuples, ForkNumber forkNum) metap = HashPageGetMeta(pg); /* XLOG stuff */ - if (RelationNeedsWAL(rel)) + if (use_wal) { xl_hash_init_meta_page xlrec; XLogRecPtr recptr; @@ -427,11 +435,12 @@ _hash_init(Relation rel, double num_tuples, ForkNumber forkNum) _hash_initbuf(buf, metap->hashm_maxbucket, i, LH_BUCKET_PAGE, false); MarkBufferDirty(buf); - log_newpage(&rel->rd_node, - forkNum, - blkno, - BufferGetPage(buf), - true); + if (use_wal) + log_newpage(&rel->rd_node, + forkNum, + blkno, + BufferGetPage(buf), + true); _hash_relbuf(rel, buf); } @@ -459,7 +468,7 @@ _hash_init(Relation rel, double num_tuples, ForkNumber forkNum) MarkBufferDirty(metabuf); /* XLOG stuff */ - if (RelationNeedsWAL(rel)) + if (use_wal) { xl_hash_init_bitmap_page xlrec; XLogRecPtr recptr; |