From 02fc43729cb8895a0118fd83d0df972af908a5cf Mon Sep 17 00:00:00 2001
From: Julien Kirch <jkirch@plizy.com>
Date: Tue, 22 Nov 2011 21:11:20 +0100
Subject: [PATCH] use table_exists? to detect if migration table should be
 created to avoid SQLite3::SQLException: index migrations_name_index already
 exists

---
 lib/sinatra/sequel.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/sinatra/sequel.rb b/lib/sinatra/sequel.rb
index a5db19a..b48e86f 100644
--- a/lib/sinatra/sequel.rb
+++ b/lib/sinatra/sequel.rb
@@ -38,7 +38,7 @@ def migration(name, &block)
   protected
 
     def create_migrations_table
-      database.create_table? :migrations do
+      unless database.table_exists? :migrations
         primary_key :id
         String :name, :null => false, :index => true
         timestamp :ran_at