Fixed range integer parsing (#6897)

* Fixed range integer parsing

* Added test for integer ranges

* Removing console.log and add inclusion assertions

lib/dialects/postgres/data-types.js

@@ -338,8 +338,8 @@ module.exports = function (BaseTypes) {
   var RANGE = BaseTypes.RANGE.inherits();
   var RANGE = BaseTypes.RANGE.inherits();
 
 
   RANGE.oid_map = {
   RANGE.oid_map = {
-    3904: 1007, // int4
-    3905: 1007,
+    3904: 23, // int4
+    3905: 23,
     3906: 1700, // Numeric
     3906: 1700, // Numeric
     3907: 1700,
     3907: 1700,
     3908: 1114, // timestamp
     3908: 1114, // timestamp

test/integration/data-types.test.js

@@ -362,6 +362,33 @@ describe(Support.getTestDialectTeaser('DataTypes'), function() {
         expect(user.get('decimalWithFloatParser')).to.be.eql('0.12345678');
         expect(user.get('decimalWithFloatParser')).to.be.eql('0.12345678');
       });
       });
     });
     });
+
+    it('should return Int4 range properly #5747 and #6896', function() {
+      var Model = this.sequelize.define('M', {
+        interval: {
+            type: Sequelize.RANGE(Sequelize.INTEGER),
+            allowNull: false,
+            unique: true
+        }
+      });
+
+      return Model.sync({ force: true })
+        .then(function() {
+          return Model.create({ interval: [
+            {value: 1, inclusive: true},
+            {value: 4, inclusive: false}
+          ] });
+        })
+        .then(function(){
+          return Model.findAll();
+        })
+        .spread(function(m){
+          expect(m.interval.inclusive[0]).to.be.eql(true);
+          expect(m.interval.inclusive[1]).to.be.eql(false);
+          expect(m.interval[0]).to.be.eql(1);
+          expect(m.interval[1]).to.be.eql(4);
+        });
+    });
   }
   }
 
 
 });
 });