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Support unlogged tables.

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The contents of an unlogged table are WAL-logged; thus, they are not
available on standby servers and are truncated whenever the database
system enters recovery.  Indexes on unlogged tables are also unlogged.
Unlogged GiST indexes are not currently supported.
This commit is contained in:
Robert Haas
2010-12-29 06:48:53 -05:00
parent 9b8aff8c19
commit 53dbc27c62
49 changed files with 916 additions and 104 deletions
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1
src/include/access/gin.h
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@@ -389,6 +389,7 @@ extern void ginUpdateStats(Relation index, const GinStatsData *stats);
/* gininsert.c */
extern Datum ginbuild(PG_FUNCTION_ARGS);
extern Datum ginbuildempty(PG_FUNCTION_ARGS);
extern Datum gininsert(PG_FUNCTION_ARGS);
extern void ginEntryInsert(Relation index, GinState *ginstate,
OffsetNumber attnum, Datum value,

1
src/include/access/gist_private.h
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@@ -281,6 +281,7 @@ typedef struct
/* gist.c */
extern Datum gistbuild(PG_FUNCTION_ARGS);
extern Datum gistbuildempty(PG_FUNCTION_ARGS);
extern Datum gistinsert(PG_FUNCTION_ARGS);
extern MemoryContext createTempGistContext(void);
extern void initGISTstate(GISTSTATE *giststate, Relation index);

9
src/include/access/hash.h
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@@ -242,6 +242,7 @@ typedef HashMetaPageData *HashMetaPage;
/* public routines */
extern Datum hashbuild(PG_FUNCTION_ARGS);
extern Datum hashbuildempty(PG_FUNCTION_ARGS);
extern Datum hashinsert(PG_FUNCTION_ARGS);
extern Datum hashbeginscan(PG_FUNCTION_ARGS);
extern Datum hashgettuple(PG_FUNCTION_ARGS);
@@ -291,7 +292,7 @@ extern Buffer _hash_addovflpage(Relation rel, Buffer metabuf, Buffer buf);
extern BlockNumber _hash_freeovflpage(Relation rel, Buffer ovflbuf,
BufferAccessStrategy bstrategy);
extern void _hash_initbitmap(Relation rel, HashMetaPage metap,
BlockNumber blkno);
BlockNumber blkno, ForkNumber forkNum);
extern void _hash_squeezebucket(Relation rel,
Bucket bucket, BlockNumber bucket_blkno,
BufferAccessStrategy bstrategy);
@@ -303,7 +304,8 @@ extern void _hash_droplock(Relation rel, BlockNumber whichlock, int access);
extern Buffer _hash_getbuf(Relation rel, BlockNumber blkno,
int access, int flags);
extern Buffer _hash_getinitbuf(Relation rel, BlockNumber blkno);
extern Buffer _hash_getnewbuf(Relation rel, BlockNumber blkno);
extern Buffer _hash_getnewbuf(Relation rel, BlockNumber blkno,
ForkNumber forkNum);
extern Buffer _hash_getbuf_with_strategy(Relation rel, BlockNumber blkno,
int access, int flags,
BufferAccessStrategy bstrategy);
@@ -312,7 +314,8 @@ extern void _hash_dropbuf(Relation rel, Buffer buf);
extern void _hash_wrtbuf(Relation rel, Buffer buf);
extern void _hash_chgbufaccess(Relation rel, Buffer buf, int from_access,
int to_access);
extern uint32 _hash_metapinit(Relation rel, double num_tuples);
extern uint32 _hash_metapinit(Relation rel, double num_tuples,
ForkNumber forkNum);
extern void _hash_pageinit(Page page, Size size);
extern void _hash_expandtable(Relation rel, Buffer metabuf);

1
src/include/access/nbtree.h
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@@ -555,6 +555,7 @@ typedef BTScanOpaqueData *BTScanOpaque;
* prototypes for functions in nbtree.c (external entry points for btree)
*/
extern Datum btbuild(PG_FUNCTION_ARGS);
extern Datum btbuildempty(PG_FUNCTION_ARGS);
extern Datum btinsert(PG_FUNCTION_ARGS);
extern Datum btbeginscan(PG_FUNCTION_ARGS);
extern Datum btgettuple(PG_FUNCTION_ARGS);