clients/server/mysql/grammar.js

MySQL Grammar

var _ = require('lodash'); var Helpers = require('../../../lib/helpers').Helpers; var baseGrammar = require('../../base/grammar').baseGrammar;

Extends the standard sql grammar.

exports.grammar = _.defaults({

The keyword identifier wrapper format.

wrapValue: function(value) { return (value !== '*' ? Helpers.format('`%s`', value) : "*"); },

Ensures the response is returned in the same format as other clients.

handleResponse: function(builder, response) { response = response[0]; if (builder.type === 'select') response = Helpers.skim(response); if (builder.type === 'insert') response = [response.insertId]; if (builder.type === 'delete' || builder.type === 'update') response = response.affectedRows; return response; },

Adds a for share clause to the query, relevant with transactions.

compileForShare: function() { return 'lock in share mode'; } }, baseGrammar);