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Add function get_current_lsn()

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This is a somewhat convoluted attempt to retrieve the current LSN
of any node, regardless of whether in recovery or not, and if in
recovery, independent of whether streaming or recovering from
archive.
This commit is contained in:
Ian Barwick
2018-11-22 19:29:56 +09:00
parent 80a280cbf4
commit 0f4e04e61e
2 changed files with 129 additions and 1 deletions
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dbutils.h
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@@ -545,6 +545,7 @@ void reset_voting_status(PGconn *conn);
/* replication status functions */
XLogRecPtr get_current_wal_lsn(PGconn *conn);
XLogRecPtr get_last_wal_receive_location(PGconn *conn);
XLogRecPtr get_current_lsn(PGconn *conn);
bool get_replication_info(PGconn *conn, ReplInfo *replication_info);
int get_replication_lag_seconds(PGconn *conn);
void get_node_replication_stats(PGconn *conn, int server_version_num, t_node_info *node_info);