From 2d3f5f14a8ff055dacedcaf682672565e7297d0f Mon Sep 17 00:00:00 2001
From: Jev Zelenkov <jev.zelenkov@gmail.com>
Date: Thu, 3 Apr 2014 04:39:03 +0200
Subject: [PATCH] fixes postgres "unknown OID" warnings

rails ActiveModel fix: https://github.com/rails/rails/pull/10498
---
 lib/geocoder/stores/active_record.rb | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/geocoder/stores/active_record.rb b/lib/geocoder/stores/active_record.rb
index 38d0abc0..da1e0585 100644
--- a/lib/geocoder/stores/active_record.rb
+++ b/lib/geocoder/stores/active_record.rb
@@ -194,13 +194,16 @@ module Geocoder::Store
         else
           clause = (columns || full_column_name("*"))
         end
+
+        identifierType = using_postgresql? "::character(255)" : ""
+
         if distance
           clause += ", " unless clause.empty?
-          clause += "#{distance} AS #{distance_column}"
+          clause += "'#{distance}'#{identifierType} AS #{distance_column}"
         end
         if bearing
           clause += ", " unless clause.empty?
-          clause += "#{bearing} AS #{bearing_column}"
+          clause += "'#{bearing}'#{identifierType} AS #{bearing_column}"
         end
         clause
       end
@@ -222,6 +225,11 @@ module Geocoder::Store
         connection.adapter_name.match(/sqlite/i)
       end
 
+      def using_postgresql?
+        connection.adapter_name.match(/postgres/i)
+      end
+
+
       ##
       # Value which can be passed to where() to produce no results.
       #
-- 
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