Add new methods for and / or queries

lib/sequelize.js

@@ -422,6 +422,14 @@ module.exports = (function() {
     return new Utils.asIs(val)
   }
 
+  Sequelize.and = Sequelize.prototype.and = function() {
+    return new Utils.and(Array.prototype.slice.call(arguments))
+  }
+
+  Sequelize.or = Sequelize.prototype.or = function() {
+    return new Utils.or(Array.prototype.slice.call(arguments))
+  }
+
   Sequelize.prototype.transaction = function(_options, _callback) {
     var options     = (typeof _options === 'function') ? {} : _options
       , callback    = (typeof _options === 'function') ? _options : _callback

lib/utils.js

@@ -523,6 +523,7 @@ var Utils = module.exports = {
     tickChar = tickChar || Utils.TICK_CHAR
     return s.replace(new RegExp(tickChar, 'g'), "")
   },
+
   /*
    * Utility functions for representing SQL functions, and columns that should be escaped.
    * Please do not use these functions directly, use Sequelize.fn and Sequelize.col instead.
@@ -531,13 +532,16 @@ var Utils = module.exports = {
     this.fn = fn
     this.args = args
   },
+
   col: function (col) {
     this.col = col
   },
+
   cast: function (val, type) {
     this.val  = val
     this.type = (type || '').trim()
   },
+
   literal: function (val) {
     this.val = val
   },
@@ -546,6 +550,14 @@ var Utils = module.exports = {
     this.val = val
   },
 
+  and: function(args) {
+    this.args = args
+  },
+
+  or: function(args) {
+    this.args = args
+  },
+
   generateUUID: function() {
     return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
       var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8)