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Merge synchronous_replication setting into synchronous_commit.

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This means one less thing to configure when setting up synchronous
replication, and also avoids some ambiguity around what the behavior
should be when the settings of these variables conflict.

Fujii Masao, with additional hacking by me.
This commit is contained in:
Robert Haas
2011-04-04 16:13:01 -04:00
parent fc3459d70c
commit 240067b3b0
10 changed files with 91 additions and 104 deletions
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11
src/include/access/xact.h
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@@ -52,8 +52,15 @@ extern bool XactReadOnly;
extern bool DefaultXactDeferrable;
extern bool XactDeferrable;
/* Asynchronous commits */
extern bool XactSyncCommit;
typedef enum
{
SYNCHRONOUS_COMMIT_OFF, /* asynchronous commit */
SYNCHRONOUS_COMMIT_LOCAL, /* wait for only local flush */
SYNCHRONOUS_COMMIT_ON /* wait for local flush and sync rep */
} SyncCommitLevel;
/* Synchronous commit level */
extern int synchronous_commit;
/* Kluge for 2PC support */
extern bool MyXactAccessedTempRel;