From a62e06d367b64da456046534260d705fbe35a01c Mon Sep 17 00:00:00 2001
From: Raymond Feng <raymond@strongloop.com>
Date: Wed, 20 May 2015 09:20:35 -0700
Subject: [PATCH] Fix for
 https://github.com/strongloop/loopback-connector-postgresql/issues/80

---
 lib/sql.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/sql.js b/lib/sql.js
index 301b0ba6..26a442b7 100644
--- a/lib/sql.js
+++ b/lib/sql.js
@@ -639,7 +639,7 @@ SQLConnector.prototype.buildExpression = function(columnName, operator, columnVa
   function buildClause(columnValue, separator, grouping) {
     var values = [];
     for (var i = 0, n = columnValue.length; i < n; i++) {
-      if (columnValue instanceof ParameterizedSQL) {
+      if (columnValue[i] instanceof ParameterizedSQL) {
         values.push(columnValue[i]);
       } else {
         values.push(new ParameterizedSQL(PLACEHOLDER, [columnValue[i]]));
@@ -749,8 +749,7 @@ SQLConnector.prototype._buildWhere = function(model, where) {
     var sqlExp;
     if (expression === null || expression === undefined) {
       stmt.merge(columnName + ' IS NULL');
-    } else if (expression &&
-      (typeof expression === 'object' && !Array.isArray(expression))) {
+    } else if (expression && expression.constructor === Object) {
       var operator = Object.keys(expression)[0];
       // Get the expression without the operator
       expression = expression[operator];