Now supports separate connections for transactions

lib/dialects/mssql/connection-manager.js

@@ -13,7 +13,7 @@ ConnectionManager = function(dialect, sequelize) {
   try {
     this.lib = require(sequelize.config.dialectModulePath || 'mssql');
   } catch (err) {
-    throw new Error('Please install mssql package manually');
+    throw new Error('Please install mssql package');
   }
 };
 
@@ -43,9 +43,13 @@ ConnectionManager.prototype.connect = function(config, isTransaction) {
       server: connectionConfig.host,
       database: connectionConfig.database
     };
-
+    var connection = {
+      config: config,
+      lib: self.lib 
+    };
+    var conn;
     if (isTransaction) {
-      var conn = new self.lib.Connection(config, function (err){
+      conn = new self.lib.Connection(config, function (err){
         var trans = new self.lib.Transaction(conn);
 
         self.lib._transaction = trans;
@@ -54,12 +58,13 @@ ConnectionManager.prototype.connect = function(config, isTransaction) {
             reject(err);
             return;
           }
-
-          resolve(self.lib);
+          connection.context = conn;
+          //connection.transaction = trans;
+          resolve(connection);
         });
       });
     } else {
-      self.lib.connect(config, function(err) {
+      conn = new self.lib.Connection(config, function(err) {
         // var request = new self.lib.Request();
         // request.query('select 1 as number', function(err, recordset) {
         //   console.log('err2', err);
@@ -71,7 +76,8 @@ ConnectionManager.prototype.connect = function(config, isTransaction) {
           return;
         }
 
-        resolve(self.lib);
+        connection.context = conn;
+        resolve(connection);
       });
     }
 

lib/dialects/mssql/query.js

@@ -2,7 +2,6 @@
 
 var Utils = require('../../utils')
   , AbstractQuery = require('../abstract/query')
-  , uuid = require('node-uuid')
   , sequelizeErrors = require('../../errors.js');
 
 module.exports = (function() {
@@ -10,7 +9,6 @@ module.exports = (function() {
     this.connection = connection;
     this.callee = callee;
     this.sequelize = sequelize;
-    this.uuid = uuid.v4();
     this.options = Utils._.extend({
       logging: console.log,
       plain: false,
@@ -32,12 +30,12 @@ module.exports = (function() {
     this.sql = sql;
 
     if (this.options.logging !== false) {
-      this.sequelize.log('Executing (' + this.connection.uuid + '): ' + this.sql);
+      this.sequelize.log('Executing (' + (this.connection.uuid || 'default') + '): ' + this.sql);
     }
 
     var promise = new Utils.Promise(function(resolve, reject) {
 
-      console.log(self.sql);
+      //console.log(self.sql);
 
     //   self
     //     .connection
@@ -57,7 +55,7 @@ module.exports = (function() {
     var request, transCommand;
     if (self.connection._transaction) {
 
-      request = new self.connection.Request(self.connection._transaction);
+      request = new self.connection.lib.Request(self.connection.context._transaction);
 
       if (self.sql === 'COMMIT TRANSACTION;') {
         transCommand = 'commit';
@@ -67,7 +65,7 @@ module.exports = (function() {
 
       if (self.sql === 'COMMIT TRANSACTION;' ||
           self.sql === 'ROLLBACK TRANSACTION;') {
-        self.connection._transaction[transCommand](function (err, result) {
+        self.connection.context._transaction[transCommand](function (err, result) {
           if (err) {
             console.log(err.message);
             reject(self.formatError(err));
@@ -78,7 +76,7 @@ module.exports = (function() {
         return promise;
       }
     } else {
-      request = new self.connection.Request();
+      request = new self.connection.lib.Request(self.connection.context);
     }
 
     request.query(self.sql, function(err, recordset) {