From ad0ea2602fdc3c7e8816498e96b0ea89bde00a8f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Drouyer?= <sdrdis@gmail.com>
Date: Wed, 24 Oct 2012 00:28:28 +0300
Subject: [PATCH] Fixed bug for IN on NOT IN - corrected

When length of values for IN and NOT IN is 0, it causes an SQL error: "IN ()" and "NOT IN ()" doesn't work in MySQL.

I corrected my first pull request :
https://github.com/1602/jugglingdb/pull/135
---
 lib/adapters/mysql.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/adapters/mysql.js b/lib/adapters/mysql.js
index 232a38bc..2fd19a06 100644
--- a/lib/adapters/mysql.js
+++ b/lib/adapters/mysql.js
@@ -238,6 +238,10 @@ MySQL.prototype.all = function all(model, filter, callback) {
             } else if (conds[key].constructor.name === 'Object') {
                 var condType = Object.keys(conds[key])[0];
                 var sqlCond = keyEscaped;
+                if ((condType == 'inq' || condType == 'nin') && val.length == 0) {
+                    cs.push(condType == 'inq' ? 0 : 1);
+                    return true;
+                }
                 switch (condType) {
                     case 'gt':
                         sqlCond += ' > ';