1 files changed, 30 insertions, 0 deletions
diff --git a/util/updates/2020-03-13-image-flagging.sql b/util/updates/2020-03-13-image-flagging.sql
new file mode 100644
index 00000000..d106af1c
--- /dev/null
+++ b/util/updates/2020-03-13-image-flagging.sql
@@ -0,0 +1,30 @@
+ALTER TABLE images ADD COLUMN c_votecount integer NOT NULL DEFAULT 0;
+ALTER TABLE images ADD COLUMN c_sexual_avg float;
+ALTER TABLE images ADD COLUMN c_sexual_stddev float;
+ALTER TABLE images ADD COLUMN c_violence_avg float;
+ALTER TABLE images ADD COLUMN c_violence_stddev float;
+ALTER TABLE images ADD COLUMN c_weight float NOT NULL DEFAULT 0;
+
+CREATE TABLE image_votes (
+  id       image_id NOT NULL,
+  uid      integer,
+  sexual   smallint NOT NULL CHECK(sexual >= 0 AND sexual <= 2),
+  violence smallint NOT NULL CHECK(violence >= 0 AND violence <= 2),
+  date     timestamptz NOT NULL DEFAULT NOW()
+);
+
+CREATE UNIQUE INDEX image_votes_pkey ON image_votes (uid, id);
+CREATE INDEX image_votes_id ON image_votes (id);
+ALTER TABLE image_votes ADD CONSTRAINT image_votes_id_fkey      FOREIGN KEY (id) REFERENCES images (id);
+
+-- These significantly speed up the update_image_cache() and reverse image search on the flagging UI
+CREATE INDEX vn_image ON vn (image);
+CREATE INDEX vn_screenshots_scr ON vn_screenshots (scr);
+CREATE INDEX chars_image ON chars (image);
+
+\i util/sql/func.sql
+\i util/sql/triggers.sql
+\i util/sql/perms.sql
+
+\timing
+select update_images_cache(NULL);