added insertQuery

lib/sequelize/query-generator.js

@@ -49,9 +49,21 @@ var QueryGenerator = module.exports = {
     return Utils._.template(query)(options)
   },
   
-  // TODO
-  insertQuery: function(tableName, attributes, values) {
-    // query = "INSERT INTO `%{table}` (%{fields}) VALUES (%{values})"
+
+  /*
+    Returns an insert into command. Parameters: table name + hash of attribute-value-pairs.
+  */
+  insertQuery: function(tableName, attrValueHash) {
+    var query = "INSERT INTO `<%= table %>` (<%= attributes %>) VALUES (<%= values %>)"
+    var replacements  = {
+      table: tableName,
+      attributes: Utils._.keys(attrValueHash).map(function(attr){return Utils.addTicks(attr)}).join(","),
+      values: Utils._.values(attrValueHash).map(function(value){
+        return Utils.transformValueByDataType(value, Utils.getDataTypeForValue(value))
+      }).join(",")
+    }
+    
+    return Utils._.template(query)(replacements)
   },
 
   // TODO