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repmgr: improve standby clone when synchronous replication in use

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Fixes GitHub #277
This commit is contained in:
Ian Barwick
2017-03-16 16:40:54 +09:00
parent 478407fd86
commit 0ef532dcff
4 changed files with 55 additions and 26 deletions
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42
dbutils.c
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@@ -33,6 +33,7 @@ char repmgr_schema[MAXLEN] = "";
char repmgr_schema_quoted[MAXLEN] = "";
static int _get_node_record(PGconn *conn, char *cluster, char *sqlquery, t_node_info *node_info);
static bool _set_config(PGconn *conn, const char *config_param, const char *sqlquery);
PGconn *
_establish_db_connection(const char *conninfo, const bool exit_on_error, const bool log_notice, const bool verbose_only)
@@ -1150,19 +1151,12 @@ stop_backup(PGconn *conn, char *last_wal_segment)
}
bool
set_config_bool(PGconn *conn, const char *config_param, bool state)
_set_config(PGconn *conn, const char *config_param, const char *sqlquery)
{
char sqlquery[QUERY_STR_LEN];
PGresult *res;
sqlquery_snprintf(sqlquery,
"SET %s TO %s",
config_param,
state ? "TRUE" : "FALSE");
log_verbose(LOG_DEBUG, "set_config_bool():\n%s\n", sqlquery);
res = PQexec(conn, sqlquery);
if (PQresultStatus(res) != PGRES_COMMAND_OK)
@@ -1177,6 +1171,36 @@ set_config_bool(PGconn *conn, const char *config_param, bool state)
return true;
}
bool
set_config(PGconn *conn, const char *config_param, const char *config_value)
{
char sqlquery[QUERY_STR_LEN];
sqlquery_snprintf(sqlquery,
"SET %s TO '%s'",
config_param,
config_value);
log_verbose(LOG_DEBUG, "set_config():\n%s\n", sqlquery);
return _set_config(conn, config_param, sqlquery);
}
bool
set_config_bool(PGconn *conn, const char *config_param, bool state)
{
char sqlquery[QUERY_STR_LEN];
sqlquery_snprintf(sqlquery,
"SET %s TO %s",
config_param,
state ? "TRUE" : "FALSE");
log_verbose(LOG_DEBUG, "set_config_bool():\n%s\n", sqlquery);
return _set_config(conn, config_param, sqlquery);
}
/*
* witness_copy_node_records()