reduce random/rand tsts to absolute minimum stmnt required

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12619 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_lcr/mod_lcr.c

@@ -247,13 +247,13 @@ static switch_bool_t set_db_random()
 {
 	char *sql = NULL;
 	if (globals.odbc_dsn) {
-		sql = "SELECT * FROM lcr ORDER BY rand() LIMIT 1";
+		sql = "SELECT rand()";
 		if (switch_odbc_handle_exec(globals.master_odbc, sql, NULL)
 				== SWITCH_ODBC_SUCCESS) {
 			db_random = "rand()";
 			return SWITCH_TRUE;
 		}
-		sql = "SELECT * FROM lcr ORDER BY random() LIMIT 1";
+		sql = "SELECT random()";
 		if (switch_odbc_handle_exec(globals.master_odbc, sql, NULL)
 				== SWITCH_ODBC_SUCCESS) {
 			db_random = "random()";