Merge pull request jruby#92 from jdmorani/master

Rails 3.1 support for postgresql

lib/arjdbc/postgresql/adapter.rb

@@ -101,8 +101,9 @@ def adapter_name #:nodoc:
       'PostgreSQL'
     end
 
-    def arel2_visitors
-      {'jdbcpostgresql' => ::Arel::Visitors::PostgreSQL}
+
+    def visitor_for(pool) # :nodoc:
+      ::Arel::Visitors::PostgreSQL.new(pool)
     end
 
     def postgresql_version
@@ -246,6 +247,8 @@ def pk_and_sequence_for(table) #:nodoc:
     end
 
     def pg_insert(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil, binds = [])
+      sql = substitute_binds(sql, binds)
+
       # Extract the table from the insert sql. Yuck.
       table = sql.split(" ", 4)[2].gsub('"', '')