first stab at fixing postgresql adapter

Gemfile

@@ -7,7 +7,8 @@ group :development, :test do
   gem 'jeweler', '1.6.2'
   gem 'flexmock', '0.9.0', :require => 'flexmock/test_unit'
   gem 'test-unit', '2.3.0', :require => 'test/unit'
+  # gem 'sqlite3-ruby', '1.3.3', :require => 'sqlite3'
+  gem 'mysql2', '0.2.7'
+  gem 'pg', '0.11.0'
 end
 
-# gem 'sqlite3-ruby', '1.3.3', :require => 'sqlite3'
-gem 'mysql2', '0.2.7'

Gemfile.lock

@@ -46,6 +46,7 @@ GEM
       treetop (~> 1.4.8)
     mime-types (1.16)
     mysql2 (0.2.7)
+    pg (0.11.0)
     polyglot (0.3.1)
     rack (1.2.3)
     rack-mount (0.6.14)
@@ -79,6 +80,7 @@ DEPENDENCIES
   flexmock (= 0.9.0)
   jeweler (= 1.6.2)
   mysql2 (= 0.2.7)
-  rails (= 3.0.7)
+  pg (= 0.11.0)
+  rails (~> 3.0.7)
   rake (= 0.8.7)
   test-unit (= 2.3.0)

VERSION

@@ -1 +1 @@
-0.8.0.1.laripk
+0.8.0.2.laripk

lib/rails_sql_views/connection_adapters/postgresql_adapter.rb

@@ -3,12 +3,42 @@ module ConnectionAdapters
     module PostgreSQLAdapter
       def self.included(base)
         base.alias_method_chain :tables, :views_included unless method_defined?(:tables_with_views_included)
+        base.alias_method_chain :table_exists?, :views_included unless method_defined?(:table_exists_with_views_included?)
       end
       # Returns true as this adapter supports views.
       def supports_views?
         true
       end
 
+      def table_exists_with_views_included?(name)
+   puts "\nmy postgres table_exists?", "name #{name}"
+        name          = name.to_s
+        schema, table = name.split('.', 2)
+   puts "schema #{schema}", "table #{table}"
+        unless table # A table was provided without a schema
+          table  = schema
+          schema = nil
+        end
+
+        if name =~ /^"/ # Handle quoted table names
+          table  = name
+          schema = nil
+        end
+
+        query(<<-SQL).first[0].to_i > 0
+            SELECT COUNT(*)
+            FROM (
+               select schemaname, tablename as itemname
+               from pg_tables
+               union
+               select schemaname, viewname
+               from pg_views
+            ) combo
+            WHERE itemname = '#{table.gsub(/(^"|"$)/,'')}'
+            #{schema ? "AND schemaname = '#{schema}'" : ''}
+        SQL
+      end
+
       def tables_with_views_included(name = nil)
         q = <<-SQL
         SELECT table_name, table_type