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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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src/include/storage/buf_internals.h
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@@ -37,6 +37,7 @@
#define BM_JUST_DIRTIED (1 << 5) /* dirtied since write started */
#define BM_PIN_COUNT_WAITER (1 << 6) /* have waiter for sole pin */
#define BM_CHECKPOINT_NEEDED (1 << 7) /* must write for checkpoint */
#define BM_PERMANENT (1 << 8) /* permanent relation (not unlogged) */
typedef bits16 BufFlags;