From c3dd47f44833f41c46f0c94af110dc50f60a46f0 Mon Sep 17 00:00:00 2001
From: Matt Huggins <matt.huggins@gmail.com>
Date: Thu, 13 Sep 2012 20:15:46 -0400
Subject: [PATCH] Allow for IN, NOT IN, and != queries in postgres

---
 lib/adapters/postgres.js | 31 ++++++++++++++++++++-----------
 1 file changed, 20 insertions(+), 11 deletions(-)

diff --git a/lib/adapters/postgres.js b/lib/adapters/postgres.js
index 44e5a153..3604c5ee 100644
--- a/lib/adapters/postgres.js
+++ b/lib/adapters/postgres.js
@@ -229,22 +229,31 @@ PG.prototype.toFilter = function (model, filter) {
                     var sqlCond = key;
                     switch (condType) {
                         case 'gt':
-                        sqlCond += ' > ';
-                        break;
+                            sqlCond += ' > ';
+                            break;
                         case 'gte':
-                        sqlCond += ' >= ';
-                        break;
+                            sqlCond += ' >= ';
+                            break;
                         case 'lt':
-                        sqlCond += ' < ';
-                        break;
+                            sqlCond += ' < ';
+                            break;
                         case 'lte':
-                        sqlCond += ' <= ';
-                        break;
+                            sqlCond += ' <= ';
+                            break;
                         case 'between':
-                        sqlCond += ' BETWEEN ';
-                        break;
+                            sqlCond += ' BETWEEN ';
+                            break;
+                        case 'inq':
+                            sqlCond += ' IN ';
+                            break;
+                        case 'nin':
+                            sqlCond += ' NOT IN ';
+                            break;
+                        case 'neq':
+                            sqlCond += ' != ';
+                            break;
                     }
-                    sqlCond += filterValue;
+                    sqlCond += (condType == 'inq' || condType == 'nin') ? '(' + filterValue + ')' : filterValue;
                     fields.push(sqlCond);
                 } else {
                     fields.push('"' + key + '" = ' + filterValue);