made abstract query more generic

lib/dialects/abstract/query.js

@@ -118,6 +118,15 @@ module.exports = (function() {
     return eval(fctName).apply(this, args)
     return eval(fctName).apply(this, args)
   }
   }
 
 
+  /**
+   * Get the attributes of an insert query, which contains the just inserted id.
+   *
+   * @return {String} The field name.
+   */
+  AbstractQuery.prototype.getInsertIdField = function() {
+    return 'insertId'
+  }
+
   /////////////
   /////////////
   // private //
   // private //
   /////////////
   /////////////
@@ -155,19 +164,30 @@ module.exports = (function() {
     return false
     return false
   }
   }
 
 
-  var isInsertQuery = function(results) {
+  var isInsertQuery = function(results, metaData) {
     var result = true
     var result = true
 
 
+    // is insert query if sql contains insert into
     result = result && (this.sql.toLowerCase().indexOf('insert into') === 0)
     result = result && (this.sql.toLowerCase().indexOf('insert into') === 0)
-    result = result && (!results || results.hasOwnProperty('insertId'))
+
+    // is insert query if no results are passed or if the result has the inserted id
+    result = result && (!results || results.hasOwnProperty(this.getInsertIdField()))
+
+    // is insert query if no metadata are passed or if the metadata has the inserted id
+    result = result && (!metaData || metaData.hasOwnProperty(this.getInsertIdField()))
 
 
     return result
     return result
   }
   }
 
 
-  var handleInsertQuery = function(results) {
+  var handleInsertQuery = function(results, metaData) {
     // add the inserted row id to the instance
     // add the inserted row id to the instance
     var autoIncrementField = this.callee.__factory.autoIncrementField
     var autoIncrementField = this.callee.__factory.autoIncrementField
-    this.callee[autoIncrementField] = results.insertId
+      , id                 = null
+
+    id = id || (results && results[this.getInsertIdField()])
+    id = id || (metaData && metaData[this.getInsertIdField()])
+
+    this.callee[autoIncrementField] = id
   }
   }
 
 
   var isShowTableQuery = function() {
   var isShowTableQuery = function() {