138 lines
3.7 KiB
PL/PgSQL
138 lines
3.7 KiB
PL/PgSQL
DROP SCHEMA IF EXISTS haystack CASCADE;
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CREATE SCHEMA haystack;
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/* -----| Schema tables |----- */
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CREATE TABLE haystack.users (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid()
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);
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CREATE TABLE haystack.image (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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image_name TEXT NOT NULL,
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image BYTEA NOT NULL
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);
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CREATE TABLE haystack.user_images_to_process (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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image_id uuid NOT NULL UNIQUE REFERENCES haystack.image (id),
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user_id uuid NOT NULL REFERENCES haystack.users (id)
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);
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CREATE TABLE haystack.user_images (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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image_id uuid NOT NULL UNIQUE REFERENCES haystack.image (id),
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user_id uuid NOT NULL REFERENCES haystack.users (id)
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);
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CREATE TABLE haystack.user_tags (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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tag VARCHAR(32) UNIQUE NOT NULL,
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user_id uuid NOT NULL REFERENCES haystack.users (id)
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);
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CREATE TABLE haystack.image_tags (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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tag_id UUID NOT NULL REFERENCES haystack.user_tags (id),
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image_id UUID NOT NULL REFERENCES haystack.image (id)
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);
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CREATE TABLE haystack.image_text (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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image_text TEXT NOT NULL,
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image_id UUID NOT NULL REFERENCES haystack.image (id)
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);
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CREATE TABLE haystack.image_links (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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link TEXT NOT NULL,
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image_id UUID NOT NULL REFERENCES haystack.image (id)
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);
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CREATE TABLE haystack.locations (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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name TEXT NOT NULL,
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address TEXT,
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description TEXT
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);
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CREATE TABLE haystack.image_locations (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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location_id UUID NOT NULL REFERENCES haystack.locations (id),
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image_id UUID NOT NULL REFERENCES haystack.image (id)
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);
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CREATE TABLE haystack.user_locations (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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location_id UUID NOT NULL REFERENCES haystack.locations (id),
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user_id UUID NOT NULL REFERENCES haystack.users (id)
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);
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CREATE TABLE haystack.events (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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-- It seems name and description are frequent. We could use table inheritance.
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name TEXT NOT NULL,
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description TEXT,
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start_date_time TIMESTAMP,
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end_date_time TIMESTAMP,
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location_id UUID REFERENCES haystack.locations (id)
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);
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CREATE TABLE haystack.image_events (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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event_id UUID NOT NULL REFERENCES haystack.events (id),
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image_id UUID NOT NULL REFERENCES haystack.image (id)
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);
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CREATE TABLE haystack.user_events (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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event_id UUID NOT NULL REFERENCES haystack.events (id),
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user_id UUID NOT NULL REFERENCES haystack.users (id)
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);
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CREATE TABLE haystack.contacts (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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-- It seems name and description are frequent. We could use table inheritance.
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name TEXT NOT NULL,
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description TEXT,
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phone_number TEXT,
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email TEXT
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);
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CREATE TABLE haystack.user_contacts (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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user_id UUID NOT NULL REFERENCES haystack.users (id),
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contact_id UUID NOT NULL REFERENCES haystack.contacts (id)
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);
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/* -----| Indexes |----- */
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CREATE INDEX user_tags_index ON haystack.user_tags(tag);
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/* -----| Stored Procedures |----- */
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CREATE OR REPLACE FUNCTION notify_new_image()
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RETURNS TRIGGER AS $$
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BEGIN
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PERFORM pg_notify('new_image', NEW.id::texT);
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RETURN NEW;
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END
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$$ LANGUAGE plpgsql;
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/* -----| Triggers |----- */
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CREATE OR REPLACE TRIGGER on_new_image AFTER INSERT
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ON haystack.user_images_to_process
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FOR EACH ROW
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EXECUTE PROCEDURE notify_new_image();
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/* -----| Test Data |----- */
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INSERT INTO haystack.users VALUES ('fcc22dbb-7792-4595-be8e-d0439e13990a');
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