diff options
| -rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 4e44336332b..01eabe57063 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -4064,8 +4064,8 @@ local_buffer_write_error_callback(void *arg) static int rnode_comparator(const void *p1, const void *p2) { - RelFileNode n1 = *(RelFileNode *) p1; - RelFileNode n2 = *(RelFileNode *) p2; + RelFileNode n1 = *(const RelFileNode *) p1; + RelFileNode n2 = *(const RelFileNode *) p2; if (n1.relNode < n2.relNode) return -1; @@ -4174,8 +4174,8 @@ buffertag_comparator(const void *a, const void *b) static int ckpt_buforder_comparator(const void *pa, const void *pb) { - const CkptSortItem *a = (CkptSortItem *) pa; - const CkptSortItem *b = (CkptSortItem *) pb; + const CkptSortItem *a = (const CkptSortItem *) pa; + const CkptSortItem *b = (const CkptSortItem *) pb; /* compare tablespace */ if (a->tsId < b->tsId) @@ -4195,8 +4195,10 @@ ckpt_buforder_comparator(const void *pa, const void *pb) /* compare block number */ else if (a->blockNum < b->blockNum) return -1; - else /* should not be the same block ... */ + else if (a->blockNum > b->blockNum) return 1; + /* equal page IDs are unlikely, but not impossible */ + return 0; } /* |