Use the custom logging function if defined

lib/sequelize.js

@@ -519,9 +519,13 @@ module.exports = (function() {
         args = [].slice.call(arguments)
       }
 
+      if ((typeof this.options.logging === 'function') && (this.options.logging != console.log)) {
+        this.options.logging.apply(null, args.slice(1))
+      } else {
         this.logger.log.apply(this.logger, args)
       }
     }
+  }
 
   return Sequelize
 })()

test/sequelize/log.test.js

@@ -69,5 +69,17 @@ describe(Support.getTestDialectTeaser("Sequelize"), function () {
         })
       })
     })
+
+    describe("with a custom function for logging", function() {
+      beforeEach(function() {
+        this.spy       = sinon.spy()
+        this.sequelize = new Support.Sequelize('db', 'user', 'pw', { logging: this.spy })
+      })
+
+      it("calls the custom logger method", function() {
+        this.sequelize.log('om nom')
+        expect(this.spy.calledOnce).to.be.true
+      })
+    })
   })
 })