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Check for existing master record before deleting it

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Otherwise repmgr implies it's deleting a record which isn't actually
there.
This commit is contained in:
Ian Barwick
2015-09-24 17:39:39 +09:00
parent 43874d5576
commit 8e7d110a22
4 changed files with 41 additions and 21 deletions
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13
repmgrd.c
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@@ -2226,23 +2226,12 @@ check_and_create_pid_file(const char *pid_file)
t_node_info
get_node_info(PGconn *conn, char *cluster, int node_id)
{
char sqlquery[QUERY_STR_LEN];
PGresult *res;
t_node_info node_info = { NODE_NOT_FOUND, NO_UPSTREAM_NODE, "", InvalidXLogRecPtr, UNKNOWN, false, false};
sprintf(sqlquery,
"SELECT id, upstream_node_id, conninfo, type, slot_name, active "
" FROM %s.repl_nodes "
" WHERE cluster = '%s' "
" AND id = %i",
get_repmgr_schema_quoted(conn),
local_options.cluster_name,
node_id);
res = get_node_record(conn, cluster, node_id);
log_debug("get_node_info(): %s\n", sqlquery);
res = PQexec(my_local_conn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
PQExpBufferData errmsg;