fix searching for rows where attribute is in array of values, test

lib/dialects/postgres/query-generator.js

@@ -565,16 +565,15 @@ module.exports = (function() {
 
 
         if (Array.isArray(value)) {
         if (Array.isArray(value)) {
           if (value.length === 0) { value = [null] }
           if (value.length === 0) { value = [null] }
-
+          var col = null;
           // Special conditions for searching within an array column type
           // Special conditions for searching within an array column type
           var _realKey = key.split('.').pop()
           var _realKey = key.split('.').pop()
           if (!!factory && !!factory.rawAttributes[_realKey]) {
           if (!!factory && !!factory.rawAttributes[_realKey]) {
-            var col = factory.rawAttributes[_realKey]
-
-            if ((!!col.type && col.type.match(/\[\]$/) !== null) || (col.toString().match(/\[\]$/) !== null)) {
-              _value = 'ARRAY[' + value.map(this.escape).join(',') + ']::' + (!!col.type ? col.type : col.toString())
-              result.push([_key, _value].join(" && "))
-            }
+            col = factory.rawAttributes[_realKey]
+          }
+          if ( col && ((!!col.type && col.type.match(/\[\]$/) !== null) || (col.toString().match(/\[\]$/) !== null))) {
+            _value = 'ARRAY[' + value.map(this.escape).join(',') + ']::' + (!!col.type ? col.type : col.toString())
+            result.push([_key, _value].join(" && "))
           } else {
           } else {
             _value = "(" + value.map(this.escape).join(',') + ")"
             _value = "(" + value.map(this.escape).join(',') + ")"
             result.push([_key, _value].join(" IN "))
             result.push([_key, _value].join(" IN "))

test/dao-factory.test.js

@@ -1064,6 +1064,16 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
       })
       })
     })
     })
 
 
+    it('should be able to find rows where attribute is in a list of values', function () {
+      this.User.findAll({
+        where: {
+          username: ['boo', 'boo2']
+        }
+      }).success(function(users){
+        expect(users).to.have.length(2);
+      });
+    })
+
     it('should be able to find a row using like', function(done) {
     it('should be able to find a row using like', function(done) {
       this.User.findAll({
       this.User.findAll({
         where: {
         where: {