minor refactoring for show tables

lib/query.js

@@ -8,8 +8,10 @@ module.exports = (function() {
     this.callee = callee
     this.options = Utils._.extend({
       logging: true,
-      plain: false
+      plain: false,
+      raw: false
     }, options || {})
+
     this.bindClientFunction = function(err) { onFailure.call(self, err) }
   }
   Utils.addEventEmitter(Query)
@@ -74,6 +76,9 @@ module.exports = (function() {
         result = (result.length == 0) ? null : result[0]
     }
 
+    if(this.sql.indexOf('SHOW') == 0)
+        result = results
+
     unbindClient.call(this)
     this.emit('success', result)
   }