--
--- Upgrades pre-v2.50 databases to 2.50 format -- not many changes, though.
+-- Upgrades pre-v2.50 databases to 2.50 format.
--
SET work_mem=131072;
);
CREATE INDEX tags_tag ON tags ( tag );
+GRANT SELECT,INSERT,DELETE ON TABLE tags TO pr0n;
+
+-- width/height -1 => NULL
+ALTER TABLE images ALTER COLUMN width DROP NOT NULL;
+ALTER TABLE images ALTER COLUMN height DROP NOT NULL;
+ALTER TABLE images ALTER COLUMN width SET DEFAULT NULL;
+ALTER TABLE images ALTER COLUMN height SET DEFAULT NULL;
+UPDATE images SET width=NULL,height=NULL WHERE width=-1 OR height=-1;
+ALTER TABLE images ADD CONSTRAINT width_height_nullity CHECK ((width IS NULL) = (height IS NULL));
+
+ALTER TABLE deleted_images ALTER COLUMN width DROP NOT NULL;
+ALTER TABLE deleted_images ALTER COLUMN height DROP NOT NULL;
+ALTER TABLE deleted_images ALTER COLUMN width SET DEFAULT NULL;
+ALTER TABLE deleted_images ALTER COLUMN height SET DEFAULT NULL;
+UPDATE deleted_images SET width=NULL,height=NULL WHERE width=-1 OR height=-1;
+ALTER TABLE deleted_images ADD CONSTRAINT width_height_nullity CHECK ((width IS NULL) = (height IS NULL));
+
+-- model/lens denormalization (reduce usage of exif_info)
+ALTER TABLE images ADD COLUMN model varchar;
+ALTER TABLE images ADD COLUMN lens varchar;
+UPDATE images SET lens=COALESCE(
+ TRIM((
+ SELECT value FROM exif_info WHERE key='Lens' AND images.id=exif_info.image
+ )),
+ TRIM((
+ SELECT value FROM exif_info WHERE key='LensSpec' AND images.id=exif_info.image
+ ))
+), model=TRIM((
+ SELECT value FROM exif_info WHERE key='Model' AND images.id=exif_info.image
+));
+UPDATE images SET model=NULL WHERE model='';
+UPDATE images SET lens=NULL WHERE lens='';
+
+ALTER TABLE deleted_images ADD COLUMN model varchar;
+ALTER TABLE deleted_images ADD COLUMN lens varchar;
+UPDATE deleted_images SET lens=COALESCE(
+ TRIM((
+ SELECT value FROM exif_info WHERE key='Lens' AND deleted_images.id=exif_info.image
+ )),
+ TRIM((
+ SELECT value FROM exif_info WHERE key='LensSpec' AND deleted_images.id=exif_info.image
+ ))
+), model=TRIM((
+ SELECT value FROM exif_info WHERE key='Model' AND deleted_images.id=exif_info.image
+));
+UPDATE deleted_images SET model=NULL WHERE model='';
+UPDATE deleted_images SET lens=NULL WHERE lens='';
+