added abstract query class

lib/dialects/mysql/query.js

@@ -14,7 +14,7 @@ module.exports = (function() {
 
     this.bindClientFunction = function(err) { onFailure.call(self, err) }
   }
-  Utils.addEventEmitter(Query)
+  Utils._.extend(Query.prototype, require("../query").prototype)
 
   Query.prototype.run = function(sql) {
     var self = this
@@ -33,16 +33,6 @@ module.exports = (function() {
     return this
   }
 
-  Query.prototype.success = Query.prototype.ok = function(fct) {
-    this.on('success', fct)
-    return this
-  }
-
-  Query.prototype.failure = Query.prototype.fail = Query.prototype.error = function(fct) {
-    this.on('failure', fct)
-    return this
-  }
-
   //private
 
   var bindClient = function() {

lib/dialects/query.js

+var Utils = require("../utils")
+
+module.exports = (function() {
+  var Query = function(database, callee, options) {
+    throw new Error('Constructor was not overwritten!')
+  }
+  Utils.addEventEmitter(Query)
+
+  Query.prototype.run = function(sql) {
+    throw new Error("The run method wasn't overwritten!")
+  }
+
+  Query.prototype.success = Query.prototype.ok = function(fct) {
+    this.on('success', fct)
+    return this
+  }
+
+  Query.prototype.failure = Query.prototype.fail = Query.prototype.error = function(fct) {
+    this.on('failure', fct)
+    return this
+  }
+
+  return Query
+})()

lib/dialects/sqlite/query.js

@@ -12,7 +12,7 @@ module.exports = (function() {
       raw: false
     }, options || {})
   }
-  Utils.addEventEmitter(Query)
+  Utils._.extend(Query.prototype, require("../query").prototype)
 
   Query.prototype.run = function(sql) {
     var self = this