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Code review for FILLFACTOR patch. Change WITH grammar as per earlier

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discussion (including making def_arg allow reserved words), add missed
opt_definition for UNIQUE case.  Put the reloptions support code in a less
random place (I chose to make a new file access/common/reloptions.c).
Eliminate header inclusion creep.  Make the index options functions safely
user-callable (seems like client apps might like to be able to test validity
of options before trying to make an index).  Reduce overhead for normal case
with no options by allowing rd_options to be NULL.  Fix some unmaintainably
klugy code, including getting rid of Natts_pg_class_fixed at long last.
Some stylistic cleanup too, and pay attention to keeping comments in sync
with code.

Documentation still needs work, though I did fix the omissions in
catalogs.sgml and indexam.sgml.
This commit is contained in:
Tom Lane
2006-07-03 22:45:41 +00:00
parent feed07350b
commit b7b78d24f7
57 changed files with 1128 additions and 1088 deletions
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31
src/include/access/heapam.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/heapam.h,v 1.113 2006/07/02 02:23:22 momjian Exp $
* $PostgreSQL: pgsql/src/include/access/heapam.h,v 1.114 2006/07/03 22:45:39 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -22,7 +22,6 @@
#include "nodes/primnodes.h"
#include "storage/block.h"
#include "storage/lmgr.h"
#include "utils/array.h"
#include "utils/rel.h"
#include "utils/tqual.h"
@@ -228,32 +227,4 @@ extern MinimalTuple minimal_tuple_from_heap_tuple(HeapTuple htup);
extern HeapTuple heap_addheader(int natts, bool withoid,
Size structlen, void *structure);
extern HeapTuple build_class_tuple(Form_pg_class pgclass, ArrayType *options);
/*
* HeapOption
* Internal data of heaps.
*/
typedef struct HeapOption
{
int32 vl_len;
int fillfactor;
} HeapOption;
extern bytea *heap_option(char relkind, ArrayType *options);
/*
* HeapGetFillFactor
* Returns the heap's fillfactor.
*/
#define HeapGetFillFactor(relation) \
(((HeapOption*)(relation)->rd_options)->fillfactor)
/*
* HeapGetPageFreeSpace
* Returns the heap's freespace per page in bytes.
*/
#define HeapGetPageFreeSpace(relation) \
(BLCKSZ * (100 - HeapGetFillFactor(relation)) / 100)
#endif /* HEAPAM_H */