Add band and venue follows with concert diary

db/init/01_initial.sql

@@ -193,3 +193,37 @@ CREATE INDEX idx_concert_photos_concert
 
 CREATE INDEX idx_concert_attendance_concert
     ON concert_attendance(concert_id, status);
+
+CREATE TABLE followed_bands (
+    user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    band_key VARCHAR(255) NOT NULL,
+    display_name VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (user_id, band_key)
+);
+
+CREATE TABLE followed_venues (
+    user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    venue_id INTEGER NOT NULL REFERENCES venues(id) ON DELETE CASCADE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (user_id, venue_id)
+);
+
+CREATE TABLE concert_diary (
+    user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    concert_id INTEGER NOT NULL REFERENCES concerts(id) ON DELETE CASCADE,
+    rating SMALLINT NOT NULL CHECK (rating BETWEEN 1 AND 5),
+    favorite_song VARCHAR(255),
+    notes TEXT,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (user_id, concert_id)
+);
+
+CREATE TABLE concert_bands (
+    concert_id INTEGER NOT NULL REFERENCES concerts(id) ON DELETE CASCADE,
+    band_key VARCHAR(255) NOT NULL,
+    display_name VARCHAR(255) NOT NULL,
+    position SMALLINT NOT NULL DEFAULT 0,
+    PRIMARY KEY (concert_id, band_key)
+);