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Count witness and zero-priority nodes in visibility check

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Ian Barwick
2019-03-14 11:17:51 +09:00
committed by Ian Barwick
parent fc636b1bd2
commit 39443bbcee
5 changed files with 41 additions and 31 deletions
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20
dbutils.c
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@@ -4898,7 +4898,7 @@ init_replication_info(ReplInfo *replication_info)
bool
get_replication_info(PGconn *conn, ReplInfo *replication_info)
get_replication_info(PGconn *conn, t_server_type node_type, ReplInfo *replication_info)
{
PQExpBufferData query;
PGresult *res = NULL;
@@ -4960,11 +4960,21 @@ get_replication_info(PGconn *conn, ReplInfo *replication_info)
" END AS wal_replay_paused, ");
}
if (node_type == WITNESS)
{
appendPQExpBufferStr(&query,
" repmgr.get_upstream_last_seen() AS upstream_last_seen");
}
else
{
appendPQExpBufferStr(&query,
" CASE WHEN pg_catalog.pg_is_in_recovery() IS FALSE "
" THEN -1 "
" ELSE repmgr.get_upstream_last_seen() "
" END AS upstream_last_seen ");
}
appendPQExpBufferStr(&query,
" CASE WHEN pg_catalog.pg_is_in_recovery() IS FALSE "
" THEN -1 "
" ELSE repmgr.get_upstream_last_seen() "
" END AS upstream_last_seen "
" ) q ");
log_verbose(LOG_DEBUG, "get_replication_info():\n%s", query.data);