diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/access/xlog.h | 1 | ||||
| -rw-r--r-- | src/include/replication/walprotocol.h | 9 | ||||
| -rw-r--r-- | src/include/replication/walreceiver.h | 1 |
3 files changed, 11 insertions, 0 deletions
diff --git a/src/include/access/xlog.h b/src/include/access/xlog.h index 7cd07a25d22..7e9bad6e3a4 100644 --- a/src/include/access/xlog.h +++ b/src/include/access/xlog.h @@ -289,6 +289,7 @@ extern void xlog_desc(StringInfo buf, uint8 xl_info, char *rec); extern void issue_xlog_fsync(int fd, uint32 log, uint32 seg); extern bool RecoveryInProgress(void); +extern bool HotStandbyActive(void); extern bool XLogInsertAllowed(void); extern void GetXLogReceiptTime(TimestampTz *rtime, bool *fromStream); extern XLogRecPtr GetXLogReplayRecPtr(void); diff --git a/src/include/replication/walprotocol.h b/src/include/replication/walprotocol.h index 32c49620c1d..da94b6b2f30 100644 --- a/src/include/replication/walprotocol.h +++ b/src/include/replication/walprotocol.h @@ -56,6 +56,15 @@ typedef struct XLogRecPtr flush; XLogRecPtr apply; + /* + * The current xmin and epoch from the standby, for Hot Standby feedback. + * This may be invalid if the standby-side does not support feedback, + * or Hot Standby is not yet available. + */ + TransactionId xmin; + uint32 epoch; + + /* Sender's system clock at the time of transmission */ TimestampTz sendTime; } StandbyReplyMessage; diff --git a/src/include/replication/walreceiver.h b/src/include/replication/walreceiver.h index aa5bfb7aea1..9137b861c7d 100644 --- a/src/include/replication/walreceiver.h +++ b/src/include/replication/walreceiver.h @@ -18,6 +18,7 @@ extern bool am_walreceiver; extern int wal_receiver_status_interval; +extern bool hot_standby_feedback; /* * MAXCONNINFO: maximum size of a connection string. |