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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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6
src/include/storage/bufmgr.h
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@@ -177,13 +177,17 @@ extern void AtEOXact_Buffers(bool isCommit);
extern void PrintBufferLeakWarning(Buffer buffer);
extern void CheckPointBuffers(int flags);
extern BlockNumber BufferGetBlockNumber(Buffer buffer);
extern BlockNumber RelationGetNumberOfBlocks(Relation relation);
extern BlockNumber RelationGetNumberOfBlocksInFork(Relation relation,
ForkNumber forkNum);
extern void FlushRelationBuffers(Relation rel);
extern void FlushDatabaseBuffers(Oid dbid);
extern void DropRelFileNodeBuffers(RelFileNodeBackend rnode,
ForkNumber forkNum, BlockNumber firstDelBlock);
extern void DropDatabaseBuffers(Oid dbid);
#define RelationGetNumberOfBlocks(reln) \
RelationGetNumberOfBlocksInFork(reln, MAIN_FORKNUM)
#ifdef NOT_USED
extern void PrintPinnedBufs(void);
#endif