Files
claude-mnemonic/internal/db/sqlite/migrations.go
T
2025-12-19 02:17:02 +00:00

348 lines
12 KiB
Go

// Package sqlite provides SQLite database operations for claude-mnemonic.
package sqlite
import (
"database/sql"
"fmt"
"time"
)
// Migration represents a database schema migration.
type Migration struct {
Version int
Name string
SQL string
}
// Migrations is the list of all database migrations in order.
var Migrations = []Migration{
{
Version: 4,
Name: "sdk_agent_architecture",
SQL: `
-- SDK Sessions (main session tracking)
CREATE TABLE IF NOT EXISTS sdk_sessions (
id INTEGER PRIMARY KEY AUTOINCREMENT,
claude_session_id TEXT UNIQUE NOT NULL,
sdk_session_id TEXT UNIQUE,
project TEXT NOT NULL,
user_prompt TEXT,
started_at TEXT NOT NULL,
started_at_epoch INTEGER NOT NULL,
completed_at TEXT,
completed_at_epoch INTEGER,
status TEXT CHECK(status IN ('active', 'completed', 'failed')) NOT NULL DEFAULT 'active'
);
CREATE INDEX IF NOT EXISTS idx_sdk_sessions_claude_id ON sdk_sessions(claude_session_id);
CREATE INDEX IF NOT EXISTS idx_sdk_sessions_sdk_id ON sdk_sessions(sdk_session_id);
CREATE INDEX IF NOT EXISTS idx_sdk_sessions_project ON sdk_sessions(project);
CREATE INDEX IF NOT EXISTS idx_sdk_sessions_status ON sdk_sessions(status);
CREATE INDEX IF NOT EXISTS idx_sdk_sessions_started ON sdk_sessions(started_at_epoch DESC);
-- Observations (extracted learnings)
CREATE TABLE IF NOT EXISTS observations (
id INTEGER PRIMARY KEY AUTOINCREMENT,
sdk_session_id TEXT NOT NULL,
project TEXT NOT NULL,
text TEXT,
type TEXT NOT NULL CHECK(type IN ('decision', 'bugfix', 'feature', 'refactor', 'discovery', 'change')),
created_at TEXT NOT NULL,
created_at_epoch INTEGER NOT NULL,
FOREIGN KEY(sdk_session_id) REFERENCES sdk_sessions(sdk_session_id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS idx_observations_sdk_session ON observations(sdk_session_id);
CREATE INDEX IF NOT EXISTS idx_observations_project ON observations(project);
CREATE INDEX IF NOT EXISTS idx_observations_type ON observations(type);
CREATE INDEX IF NOT EXISTS idx_observations_created ON observations(created_at_epoch DESC);
-- Session Summaries
CREATE TABLE IF NOT EXISTS session_summaries (
id INTEGER PRIMARY KEY AUTOINCREMENT,
sdk_session_id TEXT NOT NULL,
project TEXT NOT NULL,
request TEXT,
investigated TEXT,
learned TEXT,
completed TEXT,
next_steps TEXT,
files_read TEXT,
files_edited TEXT,
notes TEXT,
created_at TEXT NOT NULL,
created_at_epoch INTEGER NOT NULL,
FOREIGN KEY(sdk_session_id) REFERENCES sdk_sessions(sdk_session_id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS idx_session_summaries_sdk_session ON session_summaries(sdk_session_id);
CREATE INDEX IF NOT EXISTS idx_session_summaries_project ON session_summaries(project);
CREATE INDEX IF NOT EXISTS idx_session_summaries_created ON session_summaries(created_at_epoch DESC);
`,
},
{
Version: 5,
Name: "worker_port_column",
SQL: `ALTER TABLE sdk_sessions ADD COLUMN worker_port INTEGER;`,
},
{
Version: 6,
Name: "prompt_tracking_columns",
SQL: `
ALTER TABLE sdk_sessions ADD COLUMN prompt_counter INTEGER DEFAULT 0;
ALTER TABLE observations ADD COLUMN prompt_number INTEGER;
ALTER TABLE session_summaries ADD COLUMN prompt_number INTEGER;
`,
},
{
Version: 8,
Name: "observation_hierarchical_fields",
SQL: `
ALTER TABLE observations ADD COLUMN title TEXT;
ALTER TABLE observations ADD COLUMN subtitle TEXT;
ALTER TABLE observations ADD COLUMN facts TEXT;
ALTER TABLE observations ADD COLUMN narrative TEXT;
ALTER TABLE observations ADD COLUMN concepts TEXT;
ALTER TABLE observations ADD COLUMN files_read TEXT;
ALTER TABLE observations ADD COLUMN files_modified TEXT;
`,
},
{
Version: 10,
Name: "user_prompts_table",
SQL: `
-- User prompts table
CREATE TABLE IF NOT EXISTS user_prompts (
id INTEGER PRIMARY KEY AUTOINCREMENT,
claude_session_id TEXT NOT NULL,
prompt_number INTEGER NOT NULL,
prompt_text TEXT NOT NULL,
created_at TEXT NOT NULL,
created_at_epoch INTEGER NOT NULL,
FOREIGN KEY(claude_session_id) REFERENCES sdk_sessions(claude_session_id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS idx_user_prompts_claude_session ON user_prompts(claude_session_id);
CREATE INDEX IF NOT EXISTS idx_user_prompts_created ON user_prompts(created_at_epoch DESC);
CREATE INDEX IF NOT EXISTS idx_user_prompts_prompt_number ON user_prompts(prompt_number);
CREATE INDEX IF NOT EXISTS idx_user_prompts_lookup ON user_prompts(claude_session_id, prompt_number);
-- FTS5 virtual table for user prompts
CREATE VIRTUAL TABLE IF NOT EXISTS user_prompts_fts USING fts5(
prompt_text,
content='user_prompts',
content_rowid='id'
);
-- Triggers for FTS5 sync
CREATE TRIGGER IF NOT EXISTS user_prompts_ai AFTER INSERT ON user_prompts BEGIN
INSERT INTO user_prompts_fts(rowid, prompt_text)
VALUES (new.id, new.prompt_text);
END;
CREATE TRIGGER IF NOT EXISTS user_prompts_ad AFTER DELETE ON user_prompts BEGIN
INSERT INTO user_prompts_fts(user_prompts_fts, rowid, prompt_text)
VALUES('delete', old.id, old.prompt_text);
END;
CREATE TRIGGER IF NOT EXISTS user_prompts_au AFTER UPDATE ON user_prompts BEGIN
INSERT INTO user_prompts_fts(user_prompts_fts, rowid, prompt_text)
VALUES('delete', old.id, old.prompt_text);
INSERT INTO user_prompts_fts(rowid, prompt_text)
VALUES (new.id, new.prompt_text);
END;
`,
},
{
Version: 11,
Name: "discovery_tokens_column",
SQL: `
ALTER TABLE observations ADD COLUMN discovery_tokens INTEGER DEFAULT 0;
ALTER TABLE session_summaries ADD COLUMN discovery_tokens INTEGER DEFAULT 0;
`,
},
{
Version: 12,
Name: "observations_fts",
SQL: `
-- FTS5 virtual table for observations
CREATE VIRTUAL TABLE IF NOT EXISTS observations_fts USING fts5(
title, subtitle, narrative,
content='observations',
content_rowid='id'
);
-- Triggers for FTS5 sync
CREATE TRIGGER IF NOT EXISTS observations_ai AFTER INSERT ON observations BEGIN
INSERT INTO observations_fts(rowid, title, subtitle, narrative)
VALUES (new.id, new.title, new.subtitle, new.narrative);
END;
CREATE TRIGGER IF NOT EXISTS observations_ad AFTER DELETE ON observations BEGIN
INSERT INTO observations_fts(observations_fts, rowid, title, subtitle, narrative)
VALUES('delete', old.id, old.title, old.subtitle, old.narrative);
END;
CREATE TRIGGER IF NOT EXISTS observations_au AFTER UPDATE ON observations BEGIN
INSERT INTO observations_fts(observations_fts, rowid, title, subtitle, narrative)
VALUES('delete', old.id, old.title, old.subtitle, old.narrative);
INSERT INTO observations_fts(rowid, title, subtitle, narrative)
VALUES (new.id, new.title, new.subtitle, new.narrative);
END;
`,
},
{
Version: 13,
Name: "session_summaries_fts",
SQL: `
-- FTS5 virtual table for session summaries
CREATE VIRTUAL TABLE IF NOT EXISTS session_summaries_fts USING fts5(
request, investigated, learned, completed, next_steps, notes,
content='session_summaries',
content_rowid='id'
);
-- Triggers for FTS5 sync
CREATE TRIGGER IF NOT EXISTS session_summaries_ai AFTER INSERT ON session_summaries BEGIN
INSERT INTO session_summaries_fts(rowid, request, investigated, learned, completed, next_steps, notes)
VALUES (new.id, new.request, new.investigated, new.learned, new.completed, new.next_steps, new.notes);
END;
CREATE TRIGGER IF NOT EXISTS session_summaries_ad AFTER DELETE ON session_summaries BEGIN
INSERT INTO session_summaries_fts(session_summaries_fts, rowid, request, investigated, learned, completed, next_steps, notes)
VALUES('delete', old.id, old.request, old.investigated, old.learned, old.completed, old.next_steps, old.notes);
END;
CREATE TRIGGER IF NOT EXISTS session_summaries_au AFTER UPDATE ON session_summaries BEGIN
INSERT INTO session_summaries_fts(session_summaries_fts, rowid, request, investigated, learned, completed, next_steps, notes)
VALUES('delete', old.id, old.request, old.investigated, old.learned, old.completed, old.next_steps, old.notes);
INSERT INTO session_summaries_fts(rowid, request, investigated, learned, completed, next_steps, notes)
VALUES (new.id, new.request, new.investigated, new.learned, new.completed, new.next_steps, new.notes);
END;
`,
},
{
Version: 14,
Name: "observation_scope_column",
SQL: `
-- Add scope column for project isolation
-- 'project' = only visible within same project (default)
-- 'global' = visible across all projects (best practices, patterns)
ALTER TABLE observations ADD COLUMN scope TEXT DEFAULT 'project' CHECK(scope IN ('project', 'global'));
-- Index for efficient scope-based queries
CREATE INDEX IF NOT EXISTS idx_observations_scope ON observations(scope);
CREATE INDEX IF NOT EXISTS idx_observations_project_scope ON observations(project, scope);
`,
},
{
Version: 15,
Name: "observation_file_mtimes",
SQL: `
-- Store file modification times at observation creation
-- JSON object: {"path": mtime_epoch_ms, ...}
-- Used to detect staleness when files change
ALTER TABLE observations ADD COLUMN file_mtimes TEXT;
`,
},
{
Version: 16,
Name: "prompt_matched_observations",
SQL: `
-- Track how many observations were found relevant for each prompt
-- Displayed in dashboard timeline
ALTER TABLE user_prompts ADD COLUMN matched_observations INTEGER DEFAULT 0;
`,
},
}
// MigrationManager handles database schema migrations.
type MigrationManager struct {
db *sql.DB
}
// NewMigrationManager creates a new migration manager.
func NewMigrationManager(db *sql.DB) *MigrationManager {
return &MigrationManager{db: db}
}
// EnsureSchemaVersionsTable creates the schema_versions table if it doesn't exist.
func (m *MigrationManager) EnsureSchemaVersionsTable() error {
_, err := m.db.Exec(`
CREATE TABLE IF NOT EXISTS schema_versions (
id INTEGER PRIMARY KEY,
version INTEGER UNIQUE NOT NULL,
applied_at TEXT NOT NULL
)
`)
return err
}
// GetAppliedVersions returns all applied migration versions.
func (m *MigrationManager) GetAppliedVersions() (map[int]bool, error) {
rows, err := m.db.Query("SELECT version FROM schema_versions ORDER BY version")
if err != nil {
return nil, err
}
defer rows.Close()
versions := make(map[int]bool)
for rows.Next() {
var version int
if err := rows.Scan(&version); err != nil {
return nil, err
}
versions[version] = true
}
return versions, rows.Err()
}
// ApplyMigration applies a single migration.
func (m *MigrationManager) ApplyMigration(migration Migration) error {
tx, err := m.db.Begin()
if err != nil {
return fmt.Errorf("begin transaction: %w", err)
}
defer tx.Rollback()
// Execute migration SQL
if _, err := tx.Exec(migration.SQL); err != nil {
return fmt.Errorf("execute migration %d (%s): %w", migration.Version, migration.Name, err)
}
// Record migration
_, err = tx.Exec(
"INSERT INTO schema_versions (version, applied_at) VALUES (?, ?)",
migration.Version, time.Now().Format(time.RFC3339),
)
if err != nil {
return fmt.Errorf("record migration %d: %w", migration.Version, err)
}
return tx.Commit()
}
// RunMigrations applies all pending migrations.
func (m *MigrationManager) RunMigrations() error {
if err := m.EnsureSchemaVersionsTable(); err != nil {
return fmt.Errorf("ensure schema_versions table: %w", err)
}
applied, err := m.GetAppliedVersions()
if err != nil {
return fmt.Errorf("get applied versions: %w", err)
}
for _, migration := range Migrations {
if applied[migration.Version] {
continue
}
if err := m.ApplyMigration(migration); err != nil {
return err
}
}
return nil
}