blastmud/schema/schema.sql

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-- Note database created is ephemeral and use for migra to diff only.
-- Never put data in it, or it will be lost.
DROP DATABASE IF EXISTS blast_schemaonly;
CREATE DATABASE blast_schemaonly;
\c blast_schemaonly
CREATE TABLE listeners (
listener UUID NOT NULL PRIMARY KEY,
last_seen TIMESTAMP WITH TIME ZONE
);
CREATE TABLE sessions (
session UUID NOT NULL PRIMARY KEY,
listener UUID NOT NULL,
details JSONB NOT NULL
);
CREATE INDEX session_by_listener ON sessions(listener);
CREATE TABLE items (
item_id BIGINT NOT NULL PRIMARY KEY,
item_code TEXT NOT NULL,
item_type TEXT NOT NULL,
location BIGINT REFERENCES items(item_id),
details JSONB NOT NULL,
UNIQUE (item_code, item_type)
);
CREATE INDEX item_index ON items (item_code, item_type);
CREATE INDEX item_by_loc ON items (location);
CREATE TABLE users (
username TEXT NOT NULL PRIMARY KEY,
current_session UUID REFERENCES sessions(session),
current_listener UUID REFERENCES listeners(listener),
details JSONB NOT NULL
);
CREATE INDEX user_by_listener ON users(current_listener);
CREATE UNLOGGED TABLE sendqueue (
item BIGINT NOT NULL PRIMARY KEY,
session UUID NOT NULL REFERENCES sessions(session),
listener UUID REFERENCES listeners(listener),
message TEXT NOT NULL
);
CREATE TABLE tasks (
task_code TEXT NOT NULL,
task_type TEXT NOT NULL,
next_scheduled TIMESTAMP WITH TIME ZONE NOT NULL,
details JSONB NOT NULL,
PRIMARY KEY (task_code, task_type)
);
CREATE INDEX task_by_next_scheduled ON tasks(next_scheduled);