old_contents: Utils = require('./utils')
  
  var TransactionManager = module.exports = function(sequelize) {
    this.sequelize         = sequelize
    this.connectorManagers = {}
  
    try {
      this.ConnectorManager = require("./dialects/" + sequelize.getDialect() + "/connector-manager")
    } catch(err) {
      throw new Error("The dialect " + sequelize.getDialect() + " is not supported.")
    }
  }
  
  TransactionManager.prototype.getConnectorManager = function(uuid) {
    uuid = uuid || 'default'
  
    if (!this.connectorManagers.hasOwnProperty(uuid)) {
      var config = Utils._.extend({ uuid: uuid }, this.sequelize.config)
  
      if (uuid !== 'default') {
        config.pool                = { maxConnections: 0, useReplicaton: false }
        config.keepDefaultTimezone = true
      }
  
      this.connectorManagers[uuid] = new this.ConnectorManager(this.sequelize, config)
    }
  
    return this.connectorManagers[uuid]
  }
  
  TransactionManager.prototype.query = function(sql, callee, options) {
    options      = options || {}
    options.uuid = 'default'
  
    if (options.transaction) {
      options.uuid = options.transaction.id
    }
  
    return this.getConnectorManager(options.uuid).query(sql, callee, options)
  }
  
new_contents: var Utils = require('./utils')
  
  var TransactionManager = module.exports = function(sequelize) {
    this.sequelize         = sequelize
    this.connectorManagers = {}
  
    try {
      this.ConnectorManager = require("./dialects/" + sequelize.getDialect() + "/connector-manager")
    } catch(err) {
      throw new Error("The dialect " + sequelize.getDialect() + " is not supported.")
    }
  }
  
  TransactionManager.prototype.getConnectorManager = function(uuid) {
    uuid = uuid || 'default'
  
    if (!this.connectorManagers.hasOwnProperty(uuid)) {
      var config = Utils._.extend({ uuid: uuid }, this.sequelize.config)
  
      if (uuid !== 'default') {
        config.pool                = { maxConnections: 0, useReplicaton: false }
        config.keepDefaultTimezone = true
      }
  
      this.connectorManagers[uuid] = new this.ConnectorManager(this.sequelize, config)
    }
  
    return this.connectorManagers[uuid]
  }
  
  TransactionManager.prototype.query = function(sql, callee, options) {
    options      = options || {}
    options.uuid = 'default'
  
    if (options.transaction) {
      options.uuid = options.transaction.id
    }
  
    return this.getConnectorManager(options.uuid).query(sql, callee, options)
  }
  
subject: Stop leaking Utils variable in transaction-manager