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nexusAI/nexusai-migration-consolidation.patch
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diff -ruN nexusai-baseline/packages/memory-service/src/db/index.js nexusai/packages/memory-service/src/db/index.js
--- nexusai-baseline/packages/memory-service/src/db/index.js 2026-08-17 10:23:40.095197576 +0000
+++ nexusai/packages/memory-service/src/db/index.js 2026-08-17 11:39:45.973925342 +0000
@@ -1,6 +1,7 @@
const Database = require('better-sqlite3');
const schema = require('./schema');
-const {getEnv, SQLITE, logger } = require('@nexusai/shared');
+const { migrate } = require('./migrations');
+const { getEnv, SQLITE, logger } = require('@nexusai/shared');
let db; // Declare db variable in a scope accessible to all functions
@@ -12,60 +13,29 @@
db.pragma('journal_mode = WAL');
db.pragma('foreign_keys = ON');
- db.exec(schema);
-
- try{
- db.exec(`ALTER TABLE sessions ADD COLUMN name TEXT`)
- } catch {}
-
- try {
- db.exec(`ALTER TABLE sessions ADD COLUMN project_id INTEGER REFERENCES projects(id)`);
- } catch {}
-
- try {
- db.exec(`CREATE INDEX IF NOT EXISTS idx_sessions_project ON sessions(project_id)`);
- } catch {}
-
- try {
- db.exec(`ALTER TABLE projects ADD COLUMN isolated INTEGER NOT NULL DEFAULT 0`);
- } catch {}
-
- try {
- db.exec(`ALTER TABLE projects ADD COLUMN notes TEXT`); // ← add this
- } catch {}
-
- try {
- db.exec(`ALTER TABLE projects ADD COLUMN system_prompt TEXT`);
- } catch {}
-
- try {
- db.exec(`ALTER TABLE summaries ADD COLUMN project_id INTEGER REFERENCES projects(id) ON DELETE CASCADE`);
- } catch {}
-
- try {
- db.exec(`ALTER TABLE summaries ADD COLUMN token_count INTEGER`);
- } catch {}
-
- try {
- db.exec(`CREATE INDEX IF NOT EXISTS idx_summaries_project ON summaries(project_id)`);
- } catch {}
-
- try {
- db.exec(`CREATE INDEX IF NOT EXISTS idx_summaries_session ON summaries(session_id)`);
- } catch {}
-
- try { db.exec(`ALTER TABLE entities ADD COLUMN mention_count INTEGER NOT NULL DEFAULT 1`) } catch {}
- try { db.exec(`ALTER TABLE entities ADD COLUMN confidence REAL NOT NULL DEFAULT 1.0`) } catch {}
- try { db.exec(`ALTER TABLE entities ADD COLUMN source TEXT NOT NULL DEFAULT 'extraction'`) } catch {}
- try { db.exec(`ALTER TABLE entities ADD COLUMN last_seen_at INTEGER`) } catch {}
-
- try { db.exec(`ALTER TABLE relationships ADD COLUMN mention_count INTEGER NOT NULL DEFAULT 1`) } catch {}
- try { db.exec(`ALTER TABLE relationships ADD COLUMN notes TEXT`) } catch {}
-
-
- // Sync FTS index with any existing episodes data
- db.exec(`INSERT OR REPLACE INTO episodes_fts(rowid, user_message, ai_response)
- SELECT id, user_message, ai_response FROM episodes`);
+ // Was the FTS index absent before this boot? (True for a fresh DB, and for
+ // an older DB from before FTS existed.) Checked BEFORE schema runs so we can
+ // decide whether a one-time backfill is needed below.
+ const ftsExisted = db.prepare(
+ `SELECT 1 FROM sqlite_master WHERE type='table' AND name='episodes_fts'`
+ ).get() !== undefined;
+
+ db.exec(schema); // complete current shape — fresh DBs get everything
+ migrate(db); // carry an older DB forward; no-op on fresh/current DBs
+
+ // One-time FTS backfill: only when the index was just created on a DB that
+ // already holds episodes (i.e. episodes predate FTS). During normal
+ // operation the insert/delete/update triggers keep it in sync, so this no
+ // longer rebuilds the whole index on every boot. NOTE: COUNT(*) on an
+ // external-content FTS5 table proxies the content table, so it can't detect
+ // a desync — the "was it just created" check is what makes this correct.
+ if (!ftsExisted) {
+ const epCount = db.prepare('SELECT COUNT(*) AS c FROM episodes').get().c;
+ if (epCount > 0) {
+ db.exec(`INSERT INTO episodes_fts(episodes_fts) VALUES('rebuild')`);
+ logger.info(`[db] Backfilled FTS index for ${epCount} pre-existing episodes`);
+ }
+ }
logger.info(`Connected to SQLite database at ${path}`);
}
@@ -74,4 +44,4 @@
module.exports = {
getDB
-};
\ No newline at end of file
+};
diff -ruN nexusai-baseline/packages/memory-service/src/db/migrations.js nexusai/packages/memory-service/src/db/migrations.js
--- nexusai-baseline/packages/memory-service/src/db/migrations.js 1970-01-01 00:00:00.000000000 +0000
+++ nexusai/packages/memory-service/src/db/migrations.js 2026-08-17 11:40:33.900163765 +0000
@@ -0,0 +1,43 @@
+const { logger } = require('@nexusai/shared');
+
+// Forward-only schema migrations. Entry i takes the database from user_version i
+// to i+1, so migrations[0] is the v0→v1 step, migrations[1] the v1→v2 step, etc.
+//
+// schema.js already holds the COMPLETE current shape, so a fresh database is
+// created whole and stamped straight to LATEST_VERSION — these run only to carry
+// an OLDER database forward. Add a new schema change by appending a function here
+// (which bumps LATEST_VERSION by one); never edit an existing entry once shipped,
+// since databases already stamped past it will not re-run it.
+//
+// Each migration receives the better-sqlite3 db handle and runs inside a
+// transaction together with its version bump, so a failure rolls back cleanly.
+const migrations = [
+ // v0 → v1: baseline. The historical ALTER TABLE / CREATE INDEX statements that
+ // used to run (wrapped in try/catch) on every boot are folded into schema.js.
+ // Nothing to do here — this entry exists to mark v1 as the consolidated baseline.
+ (_db) => {},
+];
+
+const LATEST_VERSION = migrations.length;
+
+// Applies any migrations newer than the database's current user_version, one at a
+// time, each with its version bump, inside a transaction. Returns the resulting
+// version. A no-op when the database is already current. The migrations list and
+// target version are injectable for testing; production callers pass just `db`.
+function migrate(db, migs = migrations, latest = migs.length) {
+ const current = db.pragma('user_version', { simple: true });
+ if (current >= latest) return current;
+
+ for (let v = current; v < latest; v++) {
+ const step = db.transaction(() => {
+ migs[v](db);
+ db.pragma(`user_version = ${v + 1}`);
+ });
+ step();
+ }
+
+ logger.info(`[db] schema migrated ${current} -> ${latest}`);
+ return latest;
+}
+
+module.exports = { migrate, migrations, LATEST_VERSION };
diff -ruN nexusai-baseline/packages/memory-service/src/db/schema.js nexusai/packages/memory-service/src/db/schema.js
--- nexusai-baseline/packages/memory-service/src/db/schema.js 2026-08-17 10:23:40.095507736 +0000
+++ nexusai/packages/memory-service/src/db/schema.js 2026-08-17 11:39:21.421925904 +0000
@@ -1,10 +1,17 @@
+// Complete current schema — the single source of truth for a fresh database.
+// Historical ALTER TABLE statements that used to run on every boot are folded in
+// here. Any change that must reach EXISTING databases goes in migrations.js as a
+// new numbered migration, NOT by editing a table below (CREATE ... IF NOT EXISTS
+// silently skips tables that already exist, so column edits here never reach them).
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
+ metadata TEXT,
+ name TEXT,
+ project_id INTEGER REFERENCES projects(id)
);
CREATE TABLE IF NOT EXISTS episodes (
@@ -18,23 +25,29 @@
);
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,
+ 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,
+ mention_count INTEGER NOT NULL DEFAULT 1,
+ confidence REAL NOT NULL DEFAULT 1.0,
+ source TEXT NOT NULL DEFAULT 'extraction',
+ last_seen_at INTEGER,
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,
+ 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,
+ mention_count INTEGER NOT NULL DEFAULT 1,
+ notes TEXT,
UNIQUE(from_id, to_id, label)
);
@@ -49,16 +62,17 @@
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())
+ id INTEGER PRIMARY KEY AUTOINCREMENT,
+ name TEXT NOT NULL,
+ description TEXT,
+ colour TEXT,
+ icon TEXT,
+ created_at INTEGER NOT NULL DEFAULT (unixepoch()),
+ isolated INTEGER NOT NULL DEFAULT 0,
+ notes TEXT,
+ system_prompt TEXT
);
CREATE TABLE IF NOT EXISTS summaries (
@@ -72,17 +86,17 @@
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 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 INDEX IF NOT EXISTS idx_sessions_project ON sessions(project_id);
+ CREATE INDEX IF NOT EXISTS idx_summaries_project ON summaries(project_id);
+ CREATE INDEX IF NOT EXISTS idx_summaries_session ON summaries(session_id);
- CREATE VIRTUAL TABLE IF NOT EXISTS episodes_fts
+ 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
+ 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);
@@ -101,8 +115,6 @@
INSERT INTO episodes_fts(rowid, user_message, ai_response)
VALUES (new.id, new.user_message, new.ai_response);
END;
-
-
`;
-module.exports = schema;
\ No newline at end of file
+module.exports = schema;
diff -ruN nexusai-baseline/test/migrations.test.js nexusai/test/migrations.test.js
--- nexusai-baseline/test/migrations.test.js 1970-01-01 00:00:00.000000000 +0000
+++ nexusai/test/migrations.test.js 2026-08-17 11:41:02.541923591 +0000
@@ -0,0 +1,65 @@
+// Migration runner — tests the REAL migrate() version-stepping logic against a
+// minimal fake db (emulating the better-sqlite3 pragma getter/setter + transaction
+// API), so it runs with zero dependencies. Guards that migrations apply in order,
+// advance user_version correctly, and no-op when the DB is already current.
+const { test } = require('node:test');
+const assert = require('node:assert');
+const { migrate, LATEST_VERSION } = require('../packages/memory-service/src/db/migrations');
+
+// Emulates just the slice of the better-sqlite3 API that migrate() uses.
+function fakeDb(startVersion = 0) {
+ let version = startVersion;
+ return {
+ ran: [],
+ setCalls: [],
+ pragma(str, opts) {
+ const set = str.match(/^user_version\s*=\s*(\d+)$/);
+ if (set) { version = Number(set[1]); this.setCalls.push(version); return; }
+ if (str === 'user_version') return opts && opts.simple ? version : [{ user_version: version }];
+ throw new Error('unexpected pragma: ' + str);
+ },
+ transaction(fn) { return (...args) => fn(...args); }, // execute immediately
+ get version() { return version; },
+ };
+}
+
+test('a fresh DB (user_version 0) is stamped to LATEST_VERSION', () => {
+ const db = fakeDb(0);
+ const result = migrate(db);
+ assert.strictEqual(result, LATEST_VERSION);
+ assert.strictEqual(db.version, LATEST_VERSION);
+});
+
+test('an already-current DB is a no-op (no version writes)', () => {
+ const db = fakeDb(LATEST_VERSION);
+ const result = migrate(db);
+ assert.strictEqual(result, LATEST_VERSION);
+ assert.deepStrictEqual(db.setCalls, [], 'should not touch user_version when current');
+});
+
+test('injected migrations run in order, each bumping the version by one', () => {
+ const db = fakeDb(0);
+ const order = [];
+ const migs = [
+ () => order.push('v1'),
+ () => order.push('v2'),
+ () => order.push('v3'),
+ ];
+ const result = migrate(db, migs);
+ assert.strictEqual(result, 3);
+ assert.deepStrictEqual(order, ['v1', 'v2', 'v3'], 'migrations apply in sequence');
+ assert.deepStrictEqual(db.setCalls, [1, 2, 3], 'user_version advances one step at a time');
+});
+
+test('only migrations newer than the current version run', () => {
+ const db = fakeDb(1); // already at v1
+ const order = [];
+ const migs = [
+ () => order.push('v1'), // should be skipped
+ () => order.push('v2'),
+ () => order.push('v3'),
+ ];
+ migrate(db, migs);
+ assert.deepStrictEqual(order, ['v2', 'v3'], 'v1 is not re-run');
+ assert.deepStrictEqual(db.setCalls, [2, 3]);
+});
diff -ruN nexusai-baseline/test/schema.test.js nexusai/test/schema.test.js
--- nexusai-baseline/test/schema.test.js 1970-01-01 00:00:00.000000000 +0000
+++ nexusai/test/schema.test.js 2026-08-17 11:40:49.545923888 +0000
@@ -0,0 +1,58 @@
+// Schema completeness — execs the REAL schema.js into a throwaway SQLite DB (via
+// built-in node:sqlite) and asserts a fresh database gets every column the old
+// per-boot ALTER statements used to add. This is the guard for the migration
+// consolidation: if someone drops a column from schema.js, a fresh install would
+// silently lose it, and this test goes red.
+const { test, before } = require('node:test');
+const assert = require('node:assert');
+const schema = require('../packages/memory-service/src/db/schema');
+
+let DatabaseSync;
+try { ({ DatabaseSync } = require('node:sqlite')); } catch { DatabaseSync = null; }
+
+// The complete intended shape = original base tables + every historical ALTER.
+const EXPECTED = {
+ sessions: ['id','external_id','created_at','updated_at','metadata','name','project_id'],
+ episodes: ['id','session_id','user_message','ai_response','created_at','token_count','metadata'],
+ entities: ['id','name','type','notes','created_at','updated_at','metadata','mention_count','confidence','source','last_seen_at'],
+ relationships: ['id','from_id','to_id','label','created_at','metadata','mention_count','notes'],
+ entity_episodes: ['entity_id','episode_id'],
+ projects: ['id','name','description','colour','icon','created_at','isolated','notes','system_prompt'],
+ summaries: ['id','session_id','project_id','content','token_count','episode_range','created_at','metadata'],
+};
+
+const EXPECTED_OBJECTS = [
+ 'idx_relationships_from','idx_relationships_to','idx_entity_episodes_entity','idx_entity_episodes_episode',
+ 'idx_episodes_session','idx_episodes_created','idx_entities_type','idx_sessions_project',
+ 'idx_summaries_project','idx_summaries_session',
+ 'episodes_fts','episodes_fts_insert','episodes_fts_delete','episodes_fts_update',
+];
+
+let db;
+before(() => {
+ if (!DatabaseSync) return;
+ db = new DatabaseSync(':memory:');
+ db.exec('PRAGMA foreign_keys = ON');
+ db.exec(schema); // throws here if schema.js has a syntax/ordering error
+});
+
+for (const [table, cols] of Object.entries(EXPECTED)) {
+ test(`${table} has exactly its full column set`, { skip: !DatabaseSync }, () => {
+ const got = db.prepare(`PRAGMA table_info(${table})`).all().map(r => r.name);
+ assert.deepStrictEqual([...got].sort(), [...cols].sort(), `${table} columns differ from the intended shape`);
+ });
+}
+
+test('all indexes, FTS table, and triggers are present', { skip: !DatabaseSync }, () => {
+ const names = db.prepare(`SELECT name FROM sqlite_master WHERE name LIKE 'idx_%' OR name LIKE 'episodes_fts%'`)
+ .all().map(r => r.name);
+ const missing = EXPECTED_OBJECTS.filter(o => !names.includes(o));
+ assert.deepStrictEqual(missing, [], `missing schema objects: ${missing}`);
+});
+
+test('FTS trigger populates the index on episode insert', { skip: !DatabaseSync }, () => {
+ db.prepare(`INSERT INTO sessions(external_id) VALUES ('s-test')`).run();
+ db.prepare(`INSERT INTO episodes(session_id, user_message, ai_response) VALUES (1,'find me qdrant','ok')`).run();
+ const hit = db.prepare(`SELECT rowid FROM episodes_fts WHERE episodes_fts MATCH 'qdrant'`).all();
+ assert.strictEqual(hit.length, 1);
+});
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