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Implement "standby register"

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This commit is contained in:
Ian Barwick
2017-05-05 10:50:41 +09:00
parent 06b79f2263
commit 7844afa074
9 changed files with 485 additions and 13 deletions
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34
dbutils.c
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@@ -113,6 +113,15 @@ establish_db_connection(const char *conninfo, const bool exit_on_error)
return _establish_db_connection(conninfo, exit_on_error, false, false);
}
/*
* Attempt to establish a database connection, never exit on error, only
* output error messages if --verbose option used
*/
PGconn *
establish_db_connection_quiet(const char *conninfo)
{
return _establish_db_connection(conninfo, false, false, true);
}
PGconn *
establish_db_connection_as_user(const char *conninfo,
@@ -571,34 +580,37 @@ _set_config(PGconn *conn, const char *config_param, const char *sqlquery)
return true;
}
bool
set_config(PGconn *conn, const char *config_param, const char *config_value)
{
char sqlquery[MAX_QUERY_LEN];
PQExpBufferData query;
sqlquery_snprintf(sqlquery,
initPQExpBuffer(&query);
appendPQExpBuffer(&query,
"SET %s TO '%s'",
config_param,
config_value);
log_verbose(LOG_DEBUG, "set_config():\n%s", sqlquery);
log_verbose(LOG_DEBUG, "set_config():\n %s", query.data);
return _set_config(conn, config_param, sqlquery);
return _set_config(conn, config_param, query.data);
}
bool
set_config_bool(PGconn *conn, const char *config_param, bool state)
{
char sqlquery[MAX_QUERY_LEN];
PQExpBufferData query;
sqlquery_snprintf(sqlquery,
initPQExpBuffer(&query);
appendPQExpBuffer(&query,
"SET %s TO %s",
config_param,
state ? "TRUE" : "FALSE");
log_verbose(LOG_DEBUG, "set_config_bool():\n%s\n", sqlquery);
log_verbose(LOG_DEBUG, "set_config_bool():\n %s", query.data);
return _set_config(conn, config_param, sqlquery);
return _set_config(conn, config_param, query.data);
}
@@ -1276,14 +1288,16 @@ _create_update_node_record(PGconn *conn, char *action, t_node_info *node_info)
*/
int primary_node_id = get_master_node_id(conn);
maxlen_snprintf(upstream_node_id, "%i", primary_node_id);
upstream_node_id_ptr = upstream_node_id;
}
else
else if (node_info->upstream_node_id != NO_UPSTREAM_NODE)
{
maxlen_snprintf(upstream_node_id, "%i", node_info->upstream_node_id);
upstream_node_id_ptr = upstream_node_id;
}
if (node_info->slot_name[0])
maxlen_snprintf(slot_name, "'%s'", node_info->slot_name);
maxlen_snprintf(slot_name, "%s", node_info->slot_name);
param_values[0] = get_node_type_string(node_info->type);