Schema Version 1.3

Renamed artist.description to artist.name

Create_DB.sql

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+-- Creating the DB structure
+-- Version 1.3 (2021-08-14)
+
+CREATE TABLE IF NOT EXISTS Art (
+    ID INTEGER PRIMARY KEY generated always as identity,
+    md5_hash CHAR(32) NOT NULL UNIQUE,
+    path VARCHAR NOT NULL UNIQUE,
+    title VARCHAR,
+    link VARCHAR
+);
+
+CREATE TABLE IF NOT EXISTS Artist (
+    ID INTEGER PRIMARY KEY generated always as identity,
+    name VARCHAR  -- used as artists name
+);
+
+CREATE TABLE IF NOT EXISTS Topic (  -- as of yet unimplemented, see Art_Topic
+    id INTEGER PRIMARY KEY generated always as identity,
+    name CHAR(20) UNIQUE NOT NULL,
+    description VARCHAR
+);
+
+CREATE TABLE IF NOT EXISTS Presence (
+    name CHAR(20) NOT NULL,
+    domain CHAR(20) NOT NULL,
+    link VARCHAR,
+    artist_ID INTEGER NOT NULL,
+    PRIMARY KEY (name, domain),
+    FOREIGN KEY (artist_ID) REFERENCES Artist(ID) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS Art_Author (
+    presence_name CHAR(20) NOT NULL,
+    presence_domain CHAR(20) NOT NULL,
+    art_ID INTEGER NOT NULL,
+    PRIMARY KEY (presence_name, presence_domain, art_ID),
+    FOREIGN KEY (presence_name, presence_domain) REFERENCES Presence(name, domain) ON UPDATE CASCADE ON DELETE CASCADE,
+    FOREIGN KEY (art_ID) REFERENCES Art(ID) ON UPDATE CASCADE ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS Artist_Topic (  -- TODO implement, meant to indicate an artists main topics
+    artist_ID INTEGER NOT NULL,
+    topic_ID INTEGER NOT NULL,
+    PRIMARY KEY (artist_ID, topic_ID),
+    FOREIGN KEY (artist_ID) REFERENCES Artist(ID) ON UPDATE CASCADE ON DELETE CASCADE,
+    FOREIGN KEY (topic_ID) REFERENCES Topic(ID) ON UPDATE CASCADE ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS  tag_category (
+    category_id INTEGER PRIMARY KEY generated always as identity,
+    name CHAR(20) NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS tag (
+    tag_ID INTEGER PRIMARY KEY generated always as identity,
+    name CHAR(50) UNIQUE,
+    description VARCHAR,
+    category_id SERIAL,
+    FOREIGN KEY (category_id) REFERENCES tag_category(category_id)
+);
+
+CREATE TABLE IF NOT EXISTS Art_Tag (
+    art_ID INTEGER,
+    tag_ID INTEGER,
+    PRIMARY KEY (art_ID, tag_ID),
+    FOREIGN KEY(art_ID) REFERENCES Art(ID) ON DELETE CASCADE,
+    FOREIGN KEY (tag_ID) REFERENCES tag(tag_ID) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS Tag_Alias (
+    tag1 INTEGER,
+    tag2 INTEGER,
+    PRIMARY KEY (tag1, tag2),
+    FOREIGN KEY (tag1) REFERENCES tag(tag_ID) ON DELETE CASCADE,
+    FOREIGN KEY (tag2) REFERENCES tag(tag_ID) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS Tag_Implication (
+    root_tag INTEGER,
+    implicate INTEGER,
+    PRIMARY KEY (root_tag, implicate),
+    FOREIGN KEY (root_tag) REFERENCES tag(tag_ID) ON DELETE CASCADE,
+    FOREIGN KEY (implicate) REFERENCES tag(tag_ID) ON DELETE CASCADE
+);
+
+-- Granting appropriate permissions for the user artnet_editor (editing, deleting, reading, inserting)
+GRANT CONNECT ON
+    DATABASE artnet
+    TO artnet_editor;
+GRANT SELECT, INSERT, UPDATE, DELETE ON
+    TABLE art, art_author, tag_category, art_tag, artist_topic, artist, presence, tag, tag_alias, tag_implication, topic
+    TO artnet_editor;
+
+GRANT USAGE ON
+    SEQUENCE art_id_seq, artist_id_seq, tag_tag_id_seq
+    TO artnet_editor;

drop_everything.sql

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+DROP TABLE IF EXISTS Art CASCADE;
+
+DROP TABLE IF EXISTS Artist CASCADE;
+
+DROP TABLE IF EXISTS Presence CASCADE;
+DROP TABLE IF EXISTS Topic CASCADE;
+DROP TABLE IF EXISTS Art_Author CASCADE;
+DROP TABLE IF EXISTS Art_Topic CASCADE;
+
+DROP TABLE IF EXISTS tag CASCADE;
+DROP TABLE IF EXISTS Art_Tag CASCADE;
+DROP TABLE IF EXISTS Tag_Implication CASCADE;
+DROP TABLE IF EXISTS Tag_Alias CASCADE;
+DROP TABLE IF EXISTS tag_category CASCADE;