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Send new protocol keepalive messages to standby servers.

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Allows streaming replication users to calculate transfer latency
and apply delay via internal functions. No external functions yet.
This commit is contained in:
Simon Riggs
2011-12-31 13:30:26 +00:00
parent 2ae2e9c007
commit 64233902d2
8 changed files with 258 additions and 16 deletions
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src/include/access/xlog.h
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@ -293,6 +293,7 @@ extern XLogRecPtr GetXLogWriteRecPtr(void);
extern bool RecoveryIsPaused(void);
extern void SetRecoveryPause(bool recoveryPause);
extern TimestampTz GetLatestXTime(void);
extern TimestampTz GetCurrentChunkReplayStartTime(void);
extern void UpdateControlFile(void);
extern uint64 GetSystemIdentifier(void);