From d8d3c56bae6de71a8b55356056cf6edc1fc50bd4 Mon Sep 17 00:00:00 2001
From: iammapping <meibing_240@126.com>
Date: Thu, 19 Jun 2014 13:40:12 +0800
Subject: [PATCH] add a "NOT LIKE" comparator

---
 lib/Comparators.js             | 3 +++
 lib/Where.js                   | 7 +++++++
 test/integration/test-where.js | 5 +++++
 3 files changed, 15 insertions(+)

diff --git a/lib/Comparators.js b/lib/Comparators.js
index 5f0e450..5ace73c 100644
--- a/lib/Comparators.js
+++ b/lib/Comparators.js
@@ -7,6 +7,9 @@ exports.not_between = function (a, b) {
 exports.like = function (expr) {
 	return createSpecialObject({ expr: expr }, 'like');
 };
+exports.not_like = function (expr) {
+	return createSpecialObject({ expr: expr }, 'not_like');
+};
 
 exports.eq = function (v) {
 	return createSpecialObject({ val: v }, 'eq');
diff --git a/lib/Where.js b/lib/Where.js
index 37cab9a..513591a 100644
--- a/lib/Where.js
+++ b/lib/Where.js
@@ -107,6 +107,13 @@ function buildOrGroup(Dialect, where, opts) {
 						Dialect.escapeVal(where.w[k].expr, opts.timezone)
 					);
 					break;
+				case "not_like":
+					query.push(
+						buildComparisonKey(Dialect, where.t, k) +
+						" NOT LIKE " +
+						Dialect.escapeVal(where.w[k].expr, opts.timezone)
+					);
+					break;
 				case "eq":
 				case "ne":
 				case "gt":
diff --git a/test/integration/test-where.js b/test/integration/test-where.js
index 48a8694..d5c9259 100644
--- a/test/integration/test-where.js
+++ b/test/integration/test-where.js
@@ -155,6 +155,11 @@ assert.equal(
 	"SELECT * FROM `table1` WHERE `col` LIKE 'abc'"
 );
 
+assert.equal(
+	common.Select().from('table1').where({ col: common.Query.not_like('abc') }).build(),
+	"SELECT * FROM `table1` WHERE `col` NOT LIKE 'abc'"
+);
+
 assert.equal(
 	common.Select().from('table1').where({ col: common.Query.not_in([ 1, 2, 3 ]) }).build(),
 	"SELECT * FROM `table1` WHERE `col` NOT IN (1, 2, 3)"