fixed show index in mysql

lib/connectors/mysql/query.js

@@ -74,11 +74,11 @@ module.exports = (function() {
 
 
       if(this.options.plain)
       if(this.options.plain)
         result = (result.length == 0) ? null : result[0]
         result = (result.length == 0) ? null : result[0]
-    } else if(this.sql.indexOf('SHOW') == 0) {
+    } else if(this.sql.indexOf('SHOW TABLES') == 0) {
       result = Utils._.flatten(results.map(function(resultSet) {
       result = Utils._.flatten(results.map(function(resultSet) {
         return Utils._.values(resultSet)
         return Utils._.values(resultSet)
       }))
       }))
-    } else if(this.sql.indexOf('DESCRIBE') == 0) {
+    } else if((this.sql.indexOf('SHOW') == 0) || (this.sql.indexOf('DESCRIBE') == 0)) {
       result = results
       result = results
     }
     }