Changed the organization of the database in addition to some tables

web_server/database/streaming.sql

@@ -0,0 +1,63 @@
+DROP TABLE IF EXISTS tags;
+CREATE TABLE tags
+(
+    tag_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    tag_name VARCHAR(25)
+);
+
+DROP TABLE IF EXISTS stream_tags;
+CREATE TABLE stream_tags
+(
+    stream_id INTEGER NOT NULL,
+    tag_id INTEGER NOT NULL,
+    FOREIGN KEY (stream_id) REFERENCES streams(stream_id),
+    FOREIGN KEY (tag_id) REFERENCES tags(tag_id) ON DELETE CASCADE
+);
+
+DROP TABLE IF EXISTS chat;
+CREATE TABLE chat
+(
+    message_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    stream_id INTEGER NOT NULL,
+    chatter_id VARCHAR(50) NOT NULL,
+    message VARCHAR(256) NOT NULL,
+    time_sent DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (message_id, stream_id),
+    FOREIGN KEY (chatter_id) REFERENCES users(user_id),
+    FOREIGN KEY (stream_id) REFERENCES streams(stream_id) ON DELETE CASCADE
+);
+
+CREATE INDEX chatter_index ON chat(chatter_id);
+
+DROP TABLE IF EXISTS categories;
+CREATE TABLE categories
+(
+    category_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    category_name VARCHAR(25) NOT NULL
+);
+
+DROP TABLE IF EXISTS streams;
+CREATE TABLE streams
+(
+    streamer_id INTEGER NOT NULL,
+    stream_id INTEGER NOT NULL,
+    title TEXT NOT NULL,
+    start_time DATETIME NOT NULL,
+    num_viewers INTEGER NOT NULL DEFAULT 0,
+    isLive BOOLEAN NOT NULL DEFAULT 0,
+    vod_id INTEGER,
+    category_id NOT NULL,
+    PRIMARY KEY (streamer_id, stream_id),
+    FOREIGN KEY (category_id) REFERENCES categories(category_id) ON DELETE CASCADE,
+    FOREIGN KEY (streamer_id) REFERENCES streamers(user_id) ON DELETE CASCADE
+);
+
+DROP TABLE IF EXISTS streamers;
+CREATE TABLE streamers
+(
+    user_id INTEGER PRIMARY KEY NOT NULL,
+    streamer_id INTEGER NOT NULL,
+    since DATETIME,
+    isPartnered BOOLEAN NOT NULL DEFAULT 0,
+    FOREIGN KEY(user_id) REFERENCES users(user_id) ON DELETE CASCADE
+);