query-interface.js
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var Utils = require('./utils')
module.exports = (function() {
var QueryInterface = function(sequelize) {
this.sequelize = sequelize
this.QueryGenerator = this.sequelize.connectorManager.getQueryGenerator()
}
QueryInterface.prototype.createTable = function(tableName, attributes, options) {
return query.call(this, this.QueryGenerator.createTableQuery(tableName, attributes, options))
}
QueryInterface.prototype.dropTable = function(tableName, id) {
return query.call(this, this.QueryGenerator.dropTableQuery(tableName, id))
}
QueryInterface.prototype.renameTable = function() {
}
QueryInterface.prototype.addColumn = function() {
}
QueryInterface.prototype.removeColumn = function() {
}
QueryInterface.prototype.changeColumn = function() {
}
QueryInterface.prototype.renameColumn = function() {
}
QueryInterface.prototype.addIndex = function() {
}
QueryInterface.prototype.removeIndex = function() {
}
QueryInterface.prototype.insert = function() {
}
QueryInterface.prototype.update = function() {
}
QueryInterface.prototype.destroy = function() {
}
QueryInterface.prototype.select = function(factory, tableName, options) {
return query.call(this, this.QueryGenerator.selectQuery(tableName, options), factory)
}
QueryInterface.prototype.count = function(factory, tableName, options) {
var self = this
, countOption = "count(*) as count"
options = options || {}
options.attributes = options.attributes || []
options.attributes.push('count(*) as count')
return new Utils.CustomEventEmitter(function(emitter) {
var sql = self.QueryGenerator.selectQuery(tableName, options).replace('`' + countOption + '`', countOption)
query.call(self, sql, factory, { plain: true }).success(function(data) {
emitter.emit('success', data.count)
}).error(function(err) {
emitter.emit('failure', err)
})
}).run()
var self = this
var emitter = new Utils.CustomEventEmitter(function() {
query.call(self, self.QueryGenerator.countQuery(self.tableName, options), self, {plain: true}).success(function(obj) {
emitter.emit('success', obj['count(*)'])
})
})
return emitter.run()
}
// private
var query = function() {
var args = Utils._.map(arguments, function(arg, _) { return arg })
// add this as callee via the second argument
if(arguments.length == 1) args.push(this)
return this.sequelize.query.apply(this.sequelize, args)
}
return QueryInterface
})()