Support for setting columns with the value of another column or a function

lib/dialects/abstract/query-generator.js

 var Utils = require("../../utils")
 var Utils = require("../../utils")
+  , SqlString = require("../../sql-string")
 
 
 module.exports = (function() {
 module.exports = (function() {
   var QueryGenerator = {
   var QueryGenerator = {
@@ -318,8 +319,12 @@ module.exports = (function() {
     /*
     /*
       Escape a value (e.g. a string, number or date)
       Escape a value (e.g. a string, number or date)
     */
     */
-    escape: function(value) {
-      throwMethodUndefined('escape')
+    escape: function(value, field) {
+      if (value instanceof Utils.fn || value instanceof Utils.col) {
+        return value.toString(this)
+      } else {
+        return SqlString.escape(value, false, null, this.dialect, field)  
+      }       
     }
     }
 
 
   }
   }

lib/dialects/mysql/query-generator.js

@@ -605,12 +605,7 @@ module.exports = (function() {
 
 
     quoteIdentifiers: function(identifiers, force) {
     quoteIdentifiers: function(identifiers, force) {
       return identifiers.split('.').map(function(v) { return this.quoteIdentifier(v, force) }.bind(this)).join('.')
       return identifiers.split('.').map(function(v) { return this.quoteIdentifier(v, force) }.bind(this)).join('.')
-    },
-
-    escape: function(value) {
-      return SqlString.escape(value, false, null, "mysql")
     }
     }
-
   }
   }
 
 
   return Utils._.extend(Utils._.clone(require("../abstract/query-generator")), QueryGenerator)
   return Utils._.extend(Utils._.clone(require("../abstract/query-generator")), QueryGenerator)

lib/dialects/postgres/query-generator.js

@@ -858,12 +858,7 @@ module.exports = (function() {
 
 
     quoteIdentifiers: function(identifiers, force) {
     quoteIdentifiers: function(identifiers, force) {
       return identifiers.split('.').map(function(t) { return this.quoteIdentifier(t, force) }.bind(this)).join('.')
       return identifiers.split('.').map(function(t) { return this.quoteIdentifier(t, force) }.bind(this)).join('.')
-    },
-
-    escape: function(value, field) {
-      return SqlString.escape(value, false, null, "postgres", field)
     }
     }
-
   }
   }
 
 
   // Private
   // Private

lib/dialects/sqlite/query-generator.js

@@ -486,12 +486,7 @@ module.exports = (function() {
 
 
     quoteIdentifiers: function(identifiers, force) {
     quoteIdentifiers: function(identifiers, force) {
       return identifiers.split('.').map(function(v) { return this.quoteIdentifier(v, force) }.bind(this)).join('.')
       return identifiers.split('.').map(function(v) { return this.quoteIdentifier(v, force) }.bind(this)).join('.')
-    },
-
-    escape: function(value) {
-      return SqlString.escape(value, false, null, "sqlite")
     }
     }
-
   }
   }
 
 
   return Utils._.extend({}, MySqlQueryGenerator, QueryGenerator)
   return Utils._.extend({}, MySqlQueryGenerator, QueryGenerator)

test/dao-factory.test.js

@@ -333,6 +333,17 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
   })
   })
 
 
   describe('create', function() {
   describe('create', function() {
+    it('is possible to use funtions when creating an instance', function (done) {
+      var self = this
+      this.User.create({
+        secretValue: this.sequelize.fn('upper', 'sequelize')
+      }).success(function (user) {
+        self.User.find(user.id).success(function (user) {
+          expect(user.secretValue).to.equal('SEQUELIZE')
+          done()
+        })
+      })
+    })
     it("casts empty arrays correctly for postgresql insert", function(done) {
     it("casts empty arrays correctly for postgresql insert", function(done) {
       if (dialect !== "postgres" && dialect !== "postgresql-native") {
       if (dialect !== "postgres" && dialect !== "postgresql-native") {
         expect('').to.equal('')
         expect('').to.equal('')
@@ -955,6 +966,21 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
       })
       })
     })
     })
 
 
+    it('updates with function and column value', function (done) {
+      var self = this
+
+      this.User.create({
+        username: 'John'
+      }).success(function(user) {
+        self.User.update({username: self.sequelize.fn('upper', self.sequelize.col('username'))}, {username: 'John'}).success(function () {
+          self.User.all().success(function(users) {
+            expect(users[0].username).to.equal('JOHN')
+            done()
+          })
+        })
+      })
+    })
+
     it('sets updatedAt to the current timestamp', function(done) {
     it('sets updatedAt to the current timestamp', function(done) {
       var self = this
       var self = this
         , data = [{ username: 'Peter', secretValue: '42' },
         , data = [{ username: 'Peter', secretValue: '42' },

test/dao.test.js

@@ -641,6 +641,25 @@ describe(Support.getTestDialectTeaser("DAO"), function () {
       }, 1000)
       }, 1000)
     })
     })
 
 
+    it('updates with function and column value', function (done) {
+      var self = this
+
+      this.User.create({
+        aNumber: 42
+      }).success(function(user) {
+        user.bNumber = self.sequelize.col('aNumber')
+        user.username = self.sequelize.fn('upper', 'sequelize')
+
+        user.save().success(function(){
+          self.User.find(user.id).success(function(user2) {
+            expect(user2.username).to.equal('SEQUELIZE')
+            expect(user2.bNumber).to.equal(42)
+            done()
+          })
+        })
+      })
+    })
+
     describe('without timestamps option', function() {
     describe('without timestamps option', function() {
       it("doesn't update the updatedAt column", function(done) {
       it("doesn't update the updatedAt column", function(done) {
         var User2 = this.sequelize.define('User2', {
         var User2 = this.sequelize.define('User2', {

test/mysql/query-generator.test.js

@@ -308,6 +308,14 @@ if (dialect.match(/^mysql/)) {
         }, {
         }, {
           arguments: ['myTable', {foo: true}],
           arguments: ['myTable', {foo: true}],
           expectation: "INSERT INTO `myTable` (`foo`) VALUES (true);"
           expectation: "INSERT INTO `myTable` (`foo`) VALUES (true);"
+        }, {
+          arguments: ['myTable', function (sequelize) {
+            return {
+              foo: sequelize.fn('NOW')
+            }
+          }],
+          expectation: "INSERT INTO `myTable` (`foo`) VALUES (NOW());",
+          needsSequelize: true
         }
         }
       ],
       ],
 
 
@@ -375,6 +383,22 @@ if (dialect.match(/^mysql/)) {
         }, {
         }, {
           arguments: ['myTable', {bar: true}, {name: 'foo'}],
           arguments: ['myTable', {bar: true}, {name: 'foo'}],
           expectation: "UPDATE `myTable` SET `bar`=true WHERE `name`='foo'"
           expectation: "UPDATE `myTable` SET `bar`=true WHERE `name`='foo'"
+        }, {
+          arguments: ['myTable', function (sequelize) {
+            return {
+              bar: sequelize.fn('NOW')
+            }
+          }, {name: 'foo'}],
+          expectation: "UPDATE `myTable` SET `bar`=NOW() WHERE `name`='foo'",
+          needsSequelize: true
+        }, {
+          arguments: ['myTable', function (sequelize) {
+            return {
+              bar: sequelize.col('foo')
+            }
+          }, {name: 'foo'}],
+          expectation: "UPDATE `myTable` SET `bar`=`foo` WHERE `name`='foo'",
+          needsSequelize: true
         }
         }
       ],
       ],
 
 

test/postgres/query-generator.test.js

@@ -451,6 +451,14 @@ if (dialect.match(/^postgres/)) {
         }, {
         }, {
           arguments: ['mySchema.myTable', {name: "foo';DROP TABLE mySchema.myTable;"}],
           arguments: ['mySchema.myTable', {name: "foo';DROP TABLE mySchema.myTable;"}],
           expectation: "INSERT INTO \"mySchema\".\"myTable\" (\"name\") VALUES ('foo'';DROP TABLE mySchema.myTable;') RETURNING *;"
           expectation: "INSERT INTO \"mySchema\".\"myTable\" (\"name\") VALUES ('foo'';DROP TABLE mySchema.myTable;') RETURNING *;"
+        }, {
+          arguments: ['myTable', function (sequelize) {
+            return {
+              foo: sequelize.fn('NOW')
+            }
+          }],
+          expectation: "INSERT INTO \"myTable\" (\"foo\") VALUES (NOW()) RETURNING *;",
+          needsSequelize: true
         },
         },
 
 
         // Variants when quoteIdentifiers is false
         // Variants when quoteIdentifiers is false
@@ -630,6 +638,22 @@ if (dialect.match(/^postgres/)) {
         }, {
         }, {
           arguments: ['mySchema.myTable', {name: "foo';DROP TABLE mySchema.myTable;"}, {name: 'foo'}],
           arguments: ['mySchema.myTable', {name: "foo';DROP TABLE mySchema.myTable;"}, {name: 'foo'}],
           expectation: "UPDATE \"mySchema\".\"myTable\" SET \"name\"='foo'';DROP TABLE mySchema.myTable;' WHERE \"name\"='foo' RETURNING *"
           expectation: "UPDATE \"mySchema\".\"myTable\" SET \"name\"='foo'';DROP TABLE mySchema.myTable;' WHERE \"name\"='foo' RETURNING *"
+        }, {
+          arguments: ['myTable', function (sequelize) {
+            return {
+              bar: sequelize.fn('NOW')
+            }
+          }, {name: 'foo'}],
+          expectation: "UPDATE \"myTable\" SET \"bar\"=NOW() WHERE \"name\"='foo' RETURNING *",
+          needsSequelize: true
+        }, {
+          arguments: ['myTable', function (sequelize) {
+            return {
+              bar: sequelize.col('foo')
+            }
+          }, {name: 'foo'}],
+          expectation: "UPDATE \"myTable\" SET \"bar\"=\"foo\" WHERE \"name\"='foo' RETURNING *",
+          needsSequelize: true
         },
         },
 
 
         // Variants when quoteIdentifiers is false
         // Variants when quoteIdentifiers is false

test/sqlite/query-generator.test.js

@@ -294,6 +294,14 @@ if (dialect === 'sqlite') {
           arguments: ['myTable', {name: 'foo', foo: 1, nullValue: undefined}],
           arguments: ['myTable', {name: 'foo', foo: 1, nullValue: undefined}],
           expectation: "INSERT INTO `myTable` (`name`,`foo`) VALUES ('foo',1);",
           expectation: "INSERT INTO `myTable` (`name`,`foo`) VALUES ('foo',1);",
           context: {options: {omitNull: true}}
           context: {options: {omitNull: true}}
+        }, {
+          arguments: ['myTable', function (sequelize) {
+            return {
+              foo: sequelize.fn('NOW')
+            }
+          }],
+          expectation: "INSERT INTO `myTable` (`foo`) VALUES (NOW());",
+          needsSequelize: true
         }
         }
       ],
       ],
 
 
@@ -373,6 +381,22 @@ if (dialect === 'sqlite') {
           arguments: ['myTable', {bar: 2, nullValue: null}, {name: 'foo'}],
           arguments: ['myTable', {bar: 2, nullValue: null}, {name: 'foo'}],
           expectation: "UPDATE `myTable` SET `bar`=2 WHERE `name`='foo'",
           expectation: "UPDATE `myTable` SET `bar`=2 WHERE `name`='foo'",
           context: {options: {omitNull: true}}
           context: {options: {omitNull: true}}
+        }, {
+          arguments: ['myTable', function (sequelize) {
+            return {
+              bar: sequelize.fn('NOW')
+            }
+          }, {name: 'foo'}],
+          expectation: "UPDATE `myTable` SET `bar`=NOW() WHERE `name`='foo'",
+          needsSequelize: true
+        }, {
+          arguments: ['myTable', function (sequelize) {
+            return {
+              bar: sequelize.col('foo')
+            }
+          }, {name: 'foo'}],
+          expectation: "UPDATE `myTable` SET `bar`=`foo` WHERE `name`='foo'",
+          needsSequelize: true
         }
         }
       ],
       ],