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Use pg_last_wal_replay_lsn and pg_last_wal_receive_lsn for PostgreSQL 10

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This commit is contained in:
Arthur Zakirov 2017-08-11 18:53:57 +03:00
parent bea0469d21
commit 5ecf9851c9
1 changed files with 16 additions and 4 deletions
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20
src/backup.c
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@ -959,15 +959,27 @@ wait_replica_wal_lsn(XLogRecPtr lsn, bool is_start_backup)
* data.
*/
if (is_start_backup)
res = pgut_execute(backup_conn, "SELECT pg_last_xlog_replay_location()",
0, NULL);
{
if (server_version >= 100000)
res = pgut_execute(backup_conn, "SELECT pg_last_wal_replay_lsn()",
0, NULL);
else
res = pgut_execute(backup_conn, "SELECT pg_last_xlog_replay_location()",
0, NULL);
}
/*
* For lsn from pg_stop_backup() we need it only to be received by
* replica and fsync()'ed on WAL segment.
*/
else
res = pgut_execute(backup_conn, "SELECT pg_last_xlog_receive_location()",
0, NULL);
{
if (server_version >= 100000)
res = pgut_execute(backup_conn, "SELECT pg_last_wal_receive_lsn()",
0, NULL);
else
res = pgut_execute(backup_conn, "SELECT pg_last_xlog_receive_location()",
0, NULL);
}
/* Extract timeline and LSN from result */
XLogDataFromLSN(PQgetvalue(res, 0, 0), &xlogid, &xrecoff);