keep the original pooling config for transactions. fixes #1262

lib/dialects/sqlite/connector-manager.js

@@ -5,6 +5,7 @@ var sqlite3
 module.exports = (function() {
   var ConnectorManager = function(sequelize, config) {
     this.sequelize = sequelize
+    this.config    = config
 
     if (config.dialectModulePath) {
       sqlite3 = require(config.dialectModulePath).verbose()

lib/transaction-manager.js

@@ -18,7 +18,14 @@ TransactionManager.prototype.getConnectorManager = function(uuid) {
     var config = Utils._.extend({ uuid: uuid }, this.sequelize.config)
 
     if (uuid !== 'default') {
-      config.pool                = { maxConnections: 0, useReplicaton: false }
+      config.pool = Utils._.extend(
+        {},
+        Utils._.clone(config.pool || {}),
+        {
+          maxConnections: 0,
+          useReplicaton: false
+        }
+      )
       config.keepDefaultTimezone = true
     }
 

test/config/config.js

@@ -21,7 +21,7 @@ module.exports = {
     port:     process.env.SEQ_MYSQL_PORT || process.env.SEQ_PORT || 3306,
     pool:     {
       maxConnections: process.env.SEQ_MYSQL_POOL_MAX  || process.env.SEQ_POOL_MAX  || 5,
-      maxIdleTime:    process.env.SEQ_MYSQL_POOL_IDLE || process.env.SEQ_POOL_IDLE || 30
+      maxIdleTime:    process.env.SEQ_MYSQL_POOL_IDLE || process.env.SEQ_POOL_IDLE || 3000
     }
   },
 
@@ -47,7 +47,7 @@ module.exports = {
     host:     process.env.SEQ_MYSQL_HOST || process.env.SEQ_HOST || '127.0.0.1',
     port:     process.env.SEQ_MYSQL_PORT || process.env.SEQ_PORT || 3306,
     pool:     {
-      maxConnections: process.env.SEQ_MYSQL_POOL_MAX  || process.env.SEQ_POOL_MAX  || 1,
+      maxConnections: process.env.SEQ_MYSQL_POOL_MAX  || process.env.SEQ_POOL_MAX  || 5,
       maxIdleTime:    process.env.SEQ_MYSQL_POOL_IDLE || process.env.SEQ_POOL_IDLE || 3000
     }
   }