Add a test for max(String) and min(String) and support BIGINT as well.

lib/query-interface.js

@@ -689,6 +689,7 @@ module.exports = (function() {
           if (options && options.dataType) {
             switch (options.dataType) {
               case DataTypes.INTEGER:
+              case DataTypes.BIGINT:
                 result = parseInt(result, 10);
                 break;
               case DataTypes.FLOAT:
@@ -697,6 +698,9 @@ module.exports = (function() {
               case DataTypes.DATE:
                 result = new Date(result + 'Z');
                 break;
+              case DataTypes.STRING:
+                // Nothing to do, result is already a string.
+                break;
             }
           }
 

test/dao-factory.test.js

@@ -1037,6 +1037,16 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
       })
     })
 
+    it("should allow strings in min", function(done) {
+      var self = this
+      this.User.bulkCreate([{username: 'bbb'}, {username: 'yyy'}]).success(function(){
+        self.User.min('username').success(function(min){
+          expect(min).to.equal('bbb')
+          done()
+        })
+      })
+    })
+
     it("should allow dates in min", function(done){
       var self = this
       this.User.bulkCreate([{theDate: new Date(2000, 01, 01)}, {theDate: new Date(1990, 01, 01)}]).success(function(){
@@ -1129,6 +1139,16 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
       })
     })
 
+    it("should allow strings in max", function(done) {
+      var self = this
+      this.User.bulkCreate([{username: 'aaa'}, {username: 'zzz'}]).success(function(){
+        self.User.max('username').success(function(max){
+          expect(max).to.equal('zzz')
+          done()
+        })
+      })
+    })
+
     it('allows sql logging', function(done) {
       this.UserWithAge.max('age').on('sql', function(sql) {
         expect(sql).to.exist