diff options
| author | Bruce Momjian | 1999-07-07 09:27:28 +0000 |
|---|---|---|
| committer | Bruce Momjian | 1999-07-07 09:27:28 +0000 |
| commit | 9f7ac20e57b8946e1d7cec5486276ba40861432f (patch) | |
| tree | a7f44f23f3c33f855e2abc459113530596d4d2b3 /src/backend | |
| parent | 1391098851b1c9d6f7a094fc11964adbfc537f68 (diff) | |
Cleanup of min tuple size.
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/catalog/index.c | 8 | ||||
| -rw-r--r-- | src/backend/optimizer/path/costsize.c | 4 |
2 files changed, 7 insertions, 5 deletions
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c index af8d401aa12..31747b23956 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 1.80 1999/07/03 00:32:38 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.81 1999/07/07 09:27:25 momjian Exp $ * * * INTERFACE ROUTINES @@ -57,8 +57,10 @@ /* * macros used in guessing how many tuples are on a page. */ -#define AVG_TUPLE_SIZE MinTupleSize -#define NTUPLES_PER_PAGE(natts) (BLCKSZ/((natts)*AVG_TUPLE_SIZE)) +#define AVG_ATTR_SIZE 8 +#define NTUPLES_PER_PAGE(natts) \ + ((BLCKSZ - MAXALIGN(sizeof (PageHeaderData))) / \ + ((natts) * AVG_ATTR_SIZE + MAXALIGN(sizeof(HeapTupleHeaderData)))) /* non-export function prototypes */ static Oid GetHeapRelationOid(char *heapRelationName, char *indexRelationName, diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c index c27ae1fd282..05d12e39156 100644 --- a/src/backend/optimizer/path/costsize.c +++ b/src/backend/optimizer/path/costsize.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.39 1999/07/07 09:11:15 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.40 1999/07/07 09:27:26 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -51,7 +51,7 @@ bool _enable_nestloop_ = true; bool _enable_mergejoin_ = true; bool _enable_hashjoin_ = true; -Cost _cpu_page_weight_ = _CPU_PAGE_WEIGHT_; +Cost _cpu_page_weight_ = _CPU_PAGE_WEIGHT_; Cost _cpu_index_page_wight_ = _CPU_INDEX_PAGE_WEIGHT_; /* |