query-interface.js
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var Utils = require('./utils')
module.exports = (function() {
var QueryInterface = function(sequelize) {
this.sequelize = sequelize
this.QueryGenerator = require('./connectors/' + this.sequelize.options.connector + '/query-generator')
}
Utils.addEventEmitter(QueryInterface)
QueryInterface.prototype.createTable = function(tableName, attributes, options) {
var _query = query.call(this, this.QueryGenerator.createTableQuery(tableName, attributes, options))
, self = this
_query
.success(function(){ self.emit('createTable', null) })
.error(function(err){ self.emit('createTable', err)})
return _query
}
QueryInterface.prototype.showAllTables = function() {
var self = this
return new Utils.CustomEventEmitter(function(emitter) {
self.sequelize.query('SHOW TABLES;', null, { raw: true }).success(function(data) {
var tableNames = Sequelize.Utils._.map(data, function(hash) {
return Sequelize.Utils._.values(hash)
})
self.emit('showAllTables', null)
emitter.emit('success', Sequelize.Utils._.flatten(tableNames))
}).error(function(err) {
self.emit('showAllTables', err)
emitter.emit('failure', err)
})
}).run()
}
QueryInterface.prototype.dropTable = function(tableName) {
var _query = query.call(this, this.QueryGenerator.dropTableQuery(tableName))
, self = this
_query
.success(function(){ self.emit('dropTable', null) })
.error(function(err){ self.emit('dropTable', err)})
return _query
}
QueryInterface.prototype.dropAllTables = function() {
var self = this
return new Utils.CustomEventEmitter(function(emitter) {
var chainer = new Utils.QueryChainer()
self.showAllTables().success(function(tableNames) {
tableNames.forEach(function(tableName) {
chainer.add(self.sequelize.getQueryInterface().dropTable(tableName))
})
chainer
.run()
.success(function() {
self.emit('dropAllTables', null)
emitter.emit('success', null)
})
.error(function(err) {
self.emit('dropAllTables', err)
emitter.emit('failure', err)
})
}).error(function(err) {
self.emit('dropAllTables', err)
emitter.emit('failure', err)
})
}).run()
}
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(model, tableName, values) {
var self = this
return new Utils.CustomEventEmitter(function(emitter) {
query
.call(self, self.QueryGenerator.insertQuery(tableName, values), model)
.success(function(obj) {
self.emit('insert', null)
obj.isNewRecord = false
emitter.emit('success', obj)
})
.error(function(err) {
self.emit('insert', err)
emitter.emit('failure', err)
})
}).run()
}
QueryInterface.prototype.update = function(model, tableName, values, identifier) {
var sql = this.QueryGenerator.updateQuery(tableName, values, identifier)
, _query = query.call(this, sql, model)
, self = this
_query
.success(function(){ self.emit('update', null) })
.error(function(err){ self.emit('update', err)})
return _query
}
QueryInterface.prototype.delete = function(model, tableName, identifier) {
var sql = this.QueryGenerator.deleteQuery(tableName, identifier)
, _query = query.call(this, sql, model)
, self = this
_query
.success(function(){ self.emit('delete', null) })
.error(function(err){ self.emit('delete', err)})
return _query
}
QueryInterface.prototype.select = function(factory, tableName, options, queryOptions) {
queryOptions = queryOptions || {}
var sql = this.QueryGenerator.selectQuery(tableName, options)
, _query = query.call(this, sql, factory, queryOptions)
, self = this
_query
.success(function(){ self.emit('select', null) })
.error(function(err){ self.emit('select', err)})
return _query
}
QueryInterface.prototype.rawSelect = function(tableName, options, attributeSelector) {
var self = this
if(attributeSelector == undefined)
throw new Error('Please pass an attribute selector!')
return new Utils.CustomEventEmitter(function(emitter) {
var sql = self.QueryGenerator.selectQuery(tableName, options)
, _query = query.call(self, sql, null, { plain: true, raw: true })
_query.success(function(data) {
self.emit('rawSelect', null)
emitter.emit('success', data[attributeSelector])
}).error(function(err) {
self.emit('rawSelect', err)
emitter.emit('failure', err)
})
}).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
})()