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Fix CHECK_RELATION_BLOCK_RANGE macro, which was not merely producing

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a warning but was outright wrong.
This commit is contained in:
Tom Lane 2007-07-15 23:47:13 +00:00
parent c1ac3df734
commit 45839ffd28
1 changed files with 7 additions and 6 deletions
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13
contrib/pgstattuple/pgstatindex.c
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@ -63,14 +63,15 @@ extern Datum pg_relpages(PG_FUNCTION_ARGS);
#define IS_INDEX(r) ((r)->rd_rel->relkind == 'i')
#define IS_BTREE(r) ((r)->rd_rel->relam == BTREE_AM_OID)
#define CHECK_PAGE_OFFSET_RANGE(page, offset) { \
if ( !(FirstOffsetNumber<=(offset) && \
(offset)<=PageGetMaxOffsetNumber(page)) ) \
elog(ERROR, "Page offset number out of range."); }
#define CHECK_PAGE_OFFSET_RANGE(pg, offnum) { \
if ( !(FirstOffsetNumber <= (offnum) && \
(offnum) <= PageGetMaxOffsetNumber(pg)) ) \
elog(ERROR, "page offset number out of range"); }
/* note: BlockNumber is unsigned, hence can't be negative */
#define CHECK_RELATION_BLOCK_RANGE(rel, blkno) { \
if ( (blkno)<0 && RelationGetNumberOfBlocks((rel))<=(blkno) ) \
elog(ERROR, "Block number out of range."); }
if ( RelationGetNumberOfBlocks(rel) <= (BlockNumber) (blkno) ) \
elog(ERROR, "block number out of range"); }
/* ------------------------------------------------
* structure for single btree page statistics