Merge pull request #2202 from Pistos/postgresql-fix-photo-migration

Postgresql fix photo migration

db/migrate/20111012215141_move_photos_to_their_own_table.rb

@@ -40,7 +40,53 @@ SQL
 
 
   def self.down
-    execute <<SQL
+    if postgres?
+      execute %{
+        INSERT INTO posts (
+          author_id, public, diaspora_handle, guid, pending, type, text,
+          remote_photo_path, remote_photo_name, random_string, processed_image,
+          youtube_titles, created_at, updated_at, unprocessed_image,
+          object_url, image_url, image_height, image_width,
+          provider_display_name, actor_url, "objectId", root_guid,
+          status_message_guid, likes_count, comments_count, o_embed_cache_id
+        ) SELECT
+          author_id, public, diaspora_handle, guid, pending, 'Photo', text,
+          remote_photo_path, remote_photo_name, random_string, processed_image,
+          NULL, created_at, updated_at, unprocessed_image, NULL, NULL, NULL, NULL,
+          NULL, NULL, NULL, NULL,
+          status_message_guid, 0, comments_count, NULL
+        FROM photos
+      }
+
+      execute %{
+        UPDATE
+          aspect_visibilities
+        SET
+            shareable_id=posts.id
+          , shareable_type='Post'
+        FROM
+            posts
+          , photos
+        WHERE
+          posts.guid=photos.guid
+          AND photos.id=aspect_visibilities.shareable_id
+        }
+
+      execute %{
+        UPDATE
+          share_visibilities
+        SET
+            shareable_id=posts.id
+          , shareable_type='Post'
+        FROM
+            posts
+          , photos
+        WHERE
+          posts.guid=photos.guid
+          AND photos.id=share_visibilities.shareable_id
+        }
+    else
+      execute <<SQL
 INSERT INTO posts
   SELECT NULL AS id, author_id, public, diaspora_handle, guid, pending, 'Photo' AS type, text, remote_photo_path, remote_photo_name, random_string,
     processed_image, NULL AS youtube_titles, created_at, updated_at, unprocessed_image, NULL AS object_url, NULL AS image_url, NULL AS image_height, NULL AS image_width, NULL AS provider_display_name,
@@ -48,7 +94,7 @@ INSERT INTO posts
   FROM photos
 SQL
 
-    execute <<SQL
+      execute <<SQL
 UPDATE aspect_visibilities, posts, photos
 SET
 aspect_visibilities.shareable_id=posts.id,
@@ -58,7 +104,7 @@ posts.guid=photos.guid AND
 photos.id=aspect_visibilities.shareable_id
 SQL
 
-    execute <<SQL
+      execute <<SQL
 UPDATE share_visibilities, posts, photos
 SET
 share_visibilities.shareable_id=posts.id,
@@ -67,6 +113,7 @@ WHERE
 posts.guid=photos.guid AND
 photos.id=share_visibilities.shareable_id
 SQL
+      end
 
     execute "DROP TABLE photos"
   end