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[rails.git] / config / initializers / postgresql_adapter.rb

diff --git a/config/initializers/postgresql_adapter.rb b/config/initializers/postgresql_adapter.rb
index 6e77a3fb0577a72092921f4554a943cc64123609..012e401d2436478ccbc4d07daefb777c3bc83dda 100644 (file)
--- a/config/initializers/postgresql_adapter.rb
+++ b/config/initializers/postgresql_adapter.rb
@@ -1,63 +1,33 @@
-if defined?(ActiveRecord::ConnectionAdaptors::PostgreSQLAdaptor)
+if defined?(ActiveRecord::ConnectionAdapters::PostgreSQLAdapter)
   module ActiveRecord
     module ConnectionAdapters
       class PostgreSQLAdapter
-        def supports_disable_referential_integrity?() #:nodoc:
-          version = query("SHOW server_version")[0][0].split('.')
-          (version[0].to_i >= 9 || (version[0].to_i == 8 && version[1].to_i >= 1)) ? true : false
-        rescue
-          return false
+        def initialize_type_map_with_enums
+          OID.alias_type "format_enum", "text"
+          OID.alias_type "gpx_visibility_enum", "text"
+          OID.alias_type "note_status_enum", "text"
+          OID.alias_type "note_event_enum", "text"
+          OID.alias_type "nwr_enum", "text"
+          OID.alias_type "user_role_enum", "text"
+          OID.alias_type "user_status_enum", "text"
+
+          initialize_type_map_without_enums
         end
 
-        def pk_and_sequence_for(table)
-          # First try looking for a sequence with a dependency on the
-          # given table's primary key.
-          result = query(<<-end_sql, 'PK and serial sequence')[0]
-            SELECT attr.attname, seq.relname
-            FROM pg_class      seq,
-                 pg_attribute  attr,
-                 pg_depend     dep,
-                 pg_namespace  name,
-                 pg_constraint cons
-            WHERE seq.oid           = dep.objid
-              AND seq.relkind       = 'S'
-              AND attr.attrelid     = dep.refobjid
-              AND attr.attnum       = dep.refobjsubid
-              AND attr.attrelid     = cons.conrelid
-              AND attr.attnum       = cons.conkey[1]
-              AND cons.contype      = 'p'
-              AND dep.classid       = '"pg_class"'::regclass
-              AND dep.refclassid    = '"pg_class"'::regclass
-              AND dep.refobjid      = '#{quote_table_name(table)}'::regclass
-          end_sql
-  
-          if result.nil? or result.empty?
-            # If that fails, try parsing the primary key's default value.
-            # Support the 7.x and 8.0 nextval('foo'::text) as well as
-            # the 8.1+ nextval('foo'::regclass).
-            result = query(<<-end_sql, 'PK and custom sequence')[0]
-              SELECT attr.attname,
-                CASE
-                  WHEN split_part(def.adsrc, '''', 2) ~ '.' THEN
-                    substr(split_part(def.adsrc, '''', 2),
-                           strpos(split_part(def.adsrc, '''', 2), '.')+1)
-                  ELSE split_part(def.adsrc, '''', 2)
-                END
-              FROM pg_class       t
-              JOIN pg_attribute   attr ON (t.oid = attrelid)
-              JOIN pg_attrdef     def  ON (adrelid = attrelid AND adnum = attnum)
-              JOIN pg_constraint  cons ON (conrelid = adrelid AND adnum = conkey[1])
-              WHERE t.oid = '#{quote_table_name(table)}'::regclass
-                AND cons.contype = 'p'
-                AND def.adsrc ~* 'nextval'
-            end_sql
+        alias_method_chain :initialize_type_map, :enums
+      end
+
+      class PostgreSQLColumn
+        def simplified_type_with_enum(field_type)
+          case field_type
+          when /_enum$/
+            :string
+          else
+            simplified_type_without_enum(field_type)
           end
-  
-          # [primary_key, sequence]
-          [result.first, result.last]
-        rescue
-          nil
         end
+
+        alias_method_chain :simplified_type, :enum
       end
     end
   end