Files
nexusAI/packages/memory-service/src/db/schema.js
2026-04-27 03:10:39 -07:00

108 lines
3.7 KiB
JavaScript

const schema = `
CREATE TABLE IF NOT EXISTS sessions (
id INTEGER PRIMARY KEY AUTOINCREMENT,
external_id TEXT UNIQUE NOT NULL,
created_at INTEGER NOT NULL DEFAULT (unixepoch()),
updated_at INTEGER NOT NULL DEFAULT (unixepoch()),
metadata TEXT
);
CREATE TABLE IF NOT EXISTS episodes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
session_id INTEGER NOT NULL REFERENCES sessions(id) ON DELETE CASCADE,
user_message TEXT NOT NULL,
ai_response TEXT NOT NULL,
created_at INTEGER NOT NULL DEFAULT (unixepoch()),
token_count INTEGER,
metadata TEXT
);
CREATE TABLE IF NOT EXISTS entities (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
type TEXT NOT NULL,
notes TEXT,
created_at INTEGER NOT NULL DEFAULT (unixepoch()),
updated_at INTEGER NOT NULL DEFAULT (unixepoch()),
metadata TEXT,
UNIQUE(name, type)
);
CREATE TABLE IF NOT EXISTS relationships (
id INTEGER PRIMARY KEY AUTOINCREMENT,
from_id INTEGER NOT NULL REFERENCES entities(id) ON DELETE CASCADE,
to_id INTEGER NOT NULL REFERENCES entities(id) ON DELETE CASCADE,
label TEXT NOT NULL,
created_at INTEGER NOT NULL DEFAULT (unixepoch()),
metadata TEXT,
UNIQUE(from_id, to_id, label)
);
CREATE INDEX IF NOT EXISTS idx_relationships_from ON relationships(from_id);
CREATE INDEX IF NOT EXISTS idx_relationships_to ON relationships(to_id);
CREATE TABLE IF NOT EXISTS entity_episodes (
entity_id INTEGER NOT NULL REFERENCES entities(id) ON DELETE CASCADE,
episode_id INTEGER NOT NULL REFERENCES episodes(id) ON DELETE CASCADE,
PRIMARY KEY (entity_id, episode_id)
);
CREATE INDEX IF NOT EXISTS idx_entity_episodes_entity ON entity_episodes(entity_id);
CREATE INDEX IF NOT EXISTS idx_entity_episodes_episode ON entity_episodes(episode_id);
CREATE TABLE IF NOT EXISTS projects (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
description TEXT,
colour TEXT,
icon TEXT,
created_at INTEGER NOT NULL DEFAULT (unixepoch())
);
CREATE TABLE IF NOT EXISTS summaries (
id INTEGER PRIMARY KEY AUTOINCREMENT,
session_id INTEGER REFERENCES sessions(id) ON DELETE CASCADE,
project_id INTEGER REFERENCES projects(id) ON DELETE CASCADE,
content TEXT NOT NULL,
token_count INTEGER,
episode_range TEXT,
created_at INTEGER NOT NULL DEFAULT (unixepoch()),
metadata TEXT
);
CREATE INDEX IF NOT EXISTS idx_episodes_session
ON episodes(session_id);
CREATE INDEX IF NOT EXISTS idx_episodes_created
ON episodes(created_at);
CREATE INDEX IF NOT EXISTS idx_entities_type
ON entities(type);
CREATE VIRTUAL TABLE IF NOT EXISTS episodes_fts
USING fts5(user_message, ai_response, content=episodes, content_rowid=id);
CREATE TRIGGER IF NOT EXISTS episodes_fts_insert
AFTER INSERT ON episodes BEGIN
INSERT INTO episodes_fts(rowid, user_message, ai_response)
VALUES (new.id, new.user_message, new.ai_response);
END;
CREATE TRIGGER IF NOT EXISTS episodes_fts_delete
AFTER DELETE ON episodes BEGIN
INSERT INTO episodes_fts(episodes_fts, rowid, user_message, ai_response)
VALUES ('delete', old.id, old.user_message, old.ai_response);
END;
CREATE TRIGGER IF NOT EXISTS episodes_fts_update
AFTER UPDATE ON episodes BEGIN
INSERT INTO episodes_fts(episodes_fts, rowid, user_message, ai_response)
VALUES ('delete', old.id, old.user_message, old.ai_response);
INSERT INTO episodes_fts(rowid, user_message, ai_response)
VALUES (new.id, new.user_message, new.ai_response);
END;
`;
module.exports = schema;