From 140bc244be3b621a875cb492335d0d4e3ecbe5d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dirk=20von=20Gr=C3=BCnigen?= <dirk@vongruenigen.com>
Date: Thu, 7 Feb 2013 10:32:07 +0100
Subject: [PATCH] Check if connection responds to #support_extensions? before
 invoking it

---
 lib/postgres_ext/active_record/schema_dumper.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/postgres_ext/active_record/schema_dumper.rb b/lib/postgres_ext/active_record/schema_dumper.rb
index 497e7f4..aa22324 100644
--- a/lib/postgres_ext/active_record/schema_dumper.rb
+++ b/lib/postgres_ext/active_record/schema_dumper.rb
@@ -10,7 +10,8 @@ def self.valid_column_spec_keys
     def dump(stream)
       header(stream)
       # added
-      extensions(stream) if @connection.supports_extensions?
+      extensions(stream) if @connection.respond_to?(:supports_extensions?) && 
+                            @connection.supports_extensions?
       # /added
       tables(stream)
       trailer(stream)