Remove a redundant and quite big index on exif_info.

[pr0n] / sql / pr0n.sql

diff --git a/sql/pr0n.sql b/sql/pr0n.sql
index 774c652bea1685d9d830c1bc9fd1e0b213a25ffd..4729a37cdd9e9b71dbf2b922bd19fee46e66469e 100644 (file)
--- a/sql/pr0n.sql
+++ b/sql/pr0n.sql
@@ -3,6 +3,7 @@ CREATE TABLE events (
     "date" character varying NOT NULL,
     name character varying NOT NULL,
     vhost character varying NOT NULL,
+    hidden boolean NOT NULL DEFAULT false,
 
     PRIMARY KEY (vhost, event)
 );
@@ -33,8 +34,16 @@ CREATE TABLE images (
     selected boolean DEFAULT false,
     model character varying,
     lens character varying,
+    is_render boolean NOT NULL DEFAULT false,  -- Is this a render of another picture? (If so, don't show it separately.)
+    render_id integer,  -- If not NULL, show this picture instead of ourselves for all JPEG-creation purposes.
 
-    FOREIGN KEY (vhost,event) REFERENCES events (vhost,event)
+    FOREIGN KEY (vhost,event) REFERENCES events (vhost,event),
+    FOREIGN KEY (vhost,event,render_id) REFERENCES images (vhost,event,id),
+
+    -- Redundant with the primary key, but the foreign key needs it.
+    UNIQUE (vhost,event,id),
+
+    CHECK (NOT (is_render AND (render_id IS NOT NULL)))
 );
 CREATE UNIQUE INDEX unique_filenames ON images USING btree (vhost, event, filename);
 
@@ -51,6 +60,8 @@ CREATE TABLE deleted_images (
     selected boolean,
     model character varying,
     lens character varying
+    is_render boolean NOT NULL,
+    render_id integer,
 );
 
 CREATE TABLE users (
@@ -66,11 +77,10 @@ CREATE TABLE exif_info (
     key varchar NOT NULL,
     value varchar NOT NULL,
 
-    PRIMARY KEY ( image, key )
+    PRIMARY KEY ( key, image )
 );
 
-CREATE INDEX exif_info_key ON exif_info ( key );
-CLUSTER exif_info_key ON exif_info;
+CLUSTER exif_info_pkey ON exif_info;
 
 GRANT INSERT ON TABLE deleted_images TO pr0n;
 GRANT INSERT,SELECT,UPDATE,DELETE ON TABLE events TO pr0n;