feat: Add SQLite database integration for aircraft history and callsign enhancement
- Implement comprehensive database package with versioned migrations - Add skyview-data CLI tool for managing aviation reference data - Integrate database with merger for real-time aircraft history persistence - Support OurAirports and OpenFlights data sources (runtime loading) - Add systemd timer for automated database updates - Fix transaction-based bulk loading for 2400% performance improvement - Add callsign enhancement system with airline/airport lookups - Update Debian packaging with database directory and permissions Database features: - Aircraft position history with configurable retention - External aviation data loading (airlines, airports) - Callsign parsing and enhancement - API client for external lookups (OpenSky, etc.) - Privacy mode for complete offline operation CLI commands: - skyview-data status: Show database statistics - skyview-data update: Load aviation reference data - skyview-data list: Show available data sources - skyview-data clear: Remove specific data sources 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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25 changed files with 4771 additions and 12 deletions
419
internal/database/migrations.go
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419
internal/database/migrations.go
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@ -0,0 +1,419 @@
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package database
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import (
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"database/sql"
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"fmt"
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"sort"
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"strings"
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"time"
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)
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// Migrator handles database schema migrations with rollback support
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type Migrator struct {
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conn *sql.DB
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}
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// Migration represents a database schema change
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type Migration struct {
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Version int
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Description string
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Up string
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Down string
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DataLoss bool
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Checksum string
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}
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// MigrationRecord represents a completed migration in the database
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type MigrationRecord struct {
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Version int `json:"version"`
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Description string `json:"description"`
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AppliedAt time.Time `json:"applied_at"`
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Checksum string `json:"checksum"`
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}
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// NewMigrator creates a new database migrator
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func NewMigrator(conn *sql.DB) *Migrator {
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return &Migrator{conn: conn}
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}
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// GetMigrations returns all available migrations in version order
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func GetMigrations() []Migration {
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migrations := []Migration{
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{
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Version: 1,
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Description: "Initial schema with aircraft history",
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Up: `
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-- Schema metadata table
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CREATE TABLE IF NOT EXISTS schema_info (
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version INTEGER PRIMARY KEY,
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applied_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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description TEXT NOT NULL,
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checksum TEXT NOT NULL
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);
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-- Aircraft position history
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CREATE TABLE IF NOT EXISTS aircraft_history (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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icao TEXT NOT NULL,
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timestamp TIMESTAMP NOT NULL,
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latitude REAL,
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longitude REAL,
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altitude INTEGER,
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speed INTEGER,
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track INTEGER,
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vertical_rate INTEGER,
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squawk TEXT,
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callsign TEXT,
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source_id TEXT NOT NULL,
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signal_strength REAL
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);
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-- Indexes for aircraft history
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CREATE INDEX IF NOT EXISTS idx_aircraft_history_icao_time ON aircraft_history(icao, timestamp);
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CREATE INDEX IF NOT EXISTS idx_aircraft_history_timestamp ON aircraft_history(timestamp);
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CREATE INDEX IF NOT EXISTS idx_aircraft_history_callsign ON aircraft_history(callsign);
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`,
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Down: `
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DROP TABLE IF EXISTS aircraft_history;
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DROP TABLE IF EXISTS schema_info;
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`,
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DataLoss: true,
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},
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{
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Version: 2,
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Description: "Add callsign enhancement tables",
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Up: `
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-- Airlines data table (unified schema for all sources)
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CREATE TABLE IF NOT EXISTS airlines (
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id INTEGER PRIMARY KEY,
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name TEXT NOT NULL,
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alias TEXT,
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iata_code TEXT,
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icao_code TEXT,
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callsign TEXT,
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country TEXT,
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country_code TEXT,
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active BOOLEAN DEFAULT 1,
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data_source TEXT NOT NULL DEFAULT 'unknown',
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source_id TEXT, -- Original ID from source
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imported_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- Airports data table (unified schema for all sources)
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CREATE TABLE IF NOT EXISTS airports (
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id INTEGER PRIMARY KEY,
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name TEXT NOT NULL,
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ident TEXT, -- Airport identifier (ICAO, FAA, etc.)
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type TEXT, -- Airport type (large_airport, medium_airport, etc.)
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city TEXT,
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municipality TEXT, -- More specific than city
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region TEXT, -- State/province
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country TEXT,
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country_code TEXT, -- ISO country code
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continent TEXT,
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iata_code TEXT,
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icao_code TEXT,
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local_code TEXT,
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gps_code TEXT,
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latitude REAL,
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longitude REAL,
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elevation_ft INTEGER,
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scheduled_service BOOLEAN DEFAULT 0,
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home_link TEXT,
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wikipedia_link TEXT,
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keywords TEXT,
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timezone_offset REAL,
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timezone TEXT,
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dst_type TEXT,
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data_source TEXT NOT NULL DEFAULT 'unknown',
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source_id TEXT, -- Original ID from source
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imported_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- External API cache for callsign lookups
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CREATE TABLE IF NOT EXISTS callsign_cache (
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callsign TEXT PRIMARY KEY,
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airline_icao TEXT,
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airline_iata TEXT,
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airline_name TEXT,
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airline_country TEXT,
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flight_number TEXT,
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origin_iata TEXT,
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destination_iata TEXT,
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aircraft_type TEXT,
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route TEXT,
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status TEXT,
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source TEXT NOT NULL DEFAULT 'local',
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cached_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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expires_at TIMESTAMP NOT NULL
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);
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-- Data source tracking
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CREATE TABLE IF NOT EXISTS data_sources (
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name TEXT PRIMARY KEY,
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license TEXT NOT NULL,
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url TEXT,
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version TEXT,
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imported_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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record_count INTEGER DEFAULT 0,
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user_accepted_license BOOLEAN DEFAULT 0
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);
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-- Indexes for airlines
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CREATE INDEX IF NOT EXISTS idx_airlines_icao_code ON airlines(icao_code);
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CREATE INDEX IF NOT EXISTS idx_airlines_iata_code ON airlines(iata_code);
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CREATE INDEX IF NOT EXISTS idx_airlines_callsign ON airlines(callsign);
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CREATE INDEX IF NOT EXISTS idx_airlines_country_code ON airlines(country_code);
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CREATE INDEX IF NOT EXISTS idx_airlines_active ON airlines(active);
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CREATE INDEX IF NOT EXISTS idx_airlines_source ON airlines(data_source);
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-- Indexes for airports
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CREATE INDEX IF NOT EXISTS idx_airports_icao_code ON airports(icao_code);
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CREATE INDEX IF NOT EXISTS idx_airports_iata_code ON airports(iata_code);
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CREATE INDEX IF NOT EXISTS idx_airports_ident ON airports(ident);
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CREATE INDEX IF NOT EXISTS idx_airports_country_code ON airports(country_code);
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CREATE INDEX IF NOT EXISTS idx_airports_type ON airports(type);
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CREATE INDEX IF NOT EXISTS idx_airports_coords ON airports(latitude, longitude);
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CREATE INDEX IF NOT EXISTS idx_airports_source ON airports(data_source);
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-- Indexes for callsign cache
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CREATE INDEX IF NOT EXISTS idx_callsign_cache_expires ON callsign_cache(expires_at);
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CREATE INDEX IF NOT EXISTS idx_callsign_cache_airline ON callsign_cache(airline_icao);
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`,
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Down: `
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DROP TABLE IF EXISTS callsign_cache;
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DROP TABLE IF EXISTS airports;
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DROP TABLE IF EXISTS airlines;
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DROP TABLE IF EXISTS data_sources;
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`,
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DataLoss: true,
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},
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// Future migrations will be added here
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}
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// Calculate checksums
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for i := range migrations {
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migrations[i].Checksum = calculateChecksum(migrations[i].Up)
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}
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// Sort by version
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sort.Slice(migrations, func(i, j int) bool {
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return migrations[i].Version < migrations[j].Version
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})
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return migrations
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}
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// MigrateToLatest runs all pending migrations to bring database to latest schema
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func (m *Migrator) MigrateToLatest() error {
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currentVersion, err := m.getCurrentVersion()
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if err != nil {
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return fmt.Errorf("failed to get current version: %v", err)
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}
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migrations := GetMigrations()
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for _, migration := range migrations {
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if migration.Version <= currentVersion {
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continue
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}
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if err := m.applyMigration(migration); err != nil {
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return fmt.Errorf("failed to apply migration %d: %v", migration.Version, err)
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}
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}
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return nil
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}
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// MigrateTo runs migrations to reach a specific version
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func (m *Migrator) MigrateTo(targetVersion int) error {
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currentVersion, err := m.getCurrentVersion()
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if err != nil {
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return fmt.Errorf("failed to get current version: %v", err)
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}
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if targetVersion == currentVersion {
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return nil // Already at target version
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}
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migrations := GetMigrations()
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if targetVersion > currentVersion {
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// Forward migration
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for _, migration := range migrations {
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if migration.Version <= currentVersion || migration.Version > targetVersion {
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continue
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}
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if err := m.applyMigration(migration); err != nil {
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return fmt.Errorf("failed to apply migration %d: %v", migration.Version, err)
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}
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}
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} else {
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// Rollback migration
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// Sort in reverse order for rollback
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sort.Slice(migrations, func(i, j int) bool {
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return migrations[i].Version > migrations[j].Version
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})
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for _, migration := range migrations {
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if migration.Version > currentVersion || migration.Version <= targetVersion {
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continue
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}
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if err := m.rollbackMigration(migration); err != nil {
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return fmt.Errorf("failed to rollback migration %d: %v", migration.Version, err)
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}
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}
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}
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return nil
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}
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// GetAppliedMigrations returns all migrations that have been applied
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func (m *Migrator) GetAppliedMigrations() ([]MigrationRecord, error) {
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// Ensure schema_info table exists
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if err := m.ensureSchemaInfoTable(); err != nil {
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return nil, err
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}
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query := `
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SELECT version, description, applied_at, checksum
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FROM schema_info
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ORDER BY version
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`
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rows, err := m.conn.Query(query)
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if err != nil {
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return nil, fmt.Errorf("failed to query applied migrations: %v", err)
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}
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defer rows.Close()
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var migrations []MigrationRecord
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for rows.Next() {
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var migration MigrationRecord
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err := rows.Scan(
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&migration.Version,
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&migration.Description,
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&migration.AppliedAt,
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&migration.Checksum,
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)
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if err != nil {
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return nil, fmt.Errorf("failed to scan migration record: %v", err)
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}
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migrations = append(migrations, migration)
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}
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return migrations, nil
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}
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// getCurrentVersion returns the highest applied migration version
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func (m *Migrator) getCurrentVersion() (int, error) {
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if err := m.ensureSchemaInfoTable(); err != nil {
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return 0, err
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}
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var version int
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err := m.conn.QueryRow(`SELECT COALESCE(MAX(version), 0) FROM schema_info`).Scan(&version)
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if err != nil {
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return 0, fmt.Errorf("failed to get current version: %v", err)
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}
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return version, nil
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}
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// applyMigration executes a migration in a transaction
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func (m *Migrator) applyMigration(migration Migration) error {
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tx, err := m.conn.Begin()
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if err != nil {
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return fmt.Errorf("failed to begin transaction: %v", err)
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}
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defer tx.Rollback()
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// Warn about data loss
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if migration.DataLoss {
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// In a real application, this would show a warning to the user
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// For now, we'll just log it
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}
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// Execute migration SQL
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statements := strings.Split(migration.Up, ";")
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for _, stmt := range statements {
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stmt = strings.TrimSpace(stmt)
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if stmt == "" {
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continue
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}
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if _, err := tx.Exec(stmt); err != nil {
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return fmt.Errorf("failed to execute migration statement: %v", err)
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}
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}
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// Record migration
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_, err = tx.Exec(`
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INSERT INTO schema_info (version, description, checksum)
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VALUES (?, ?, ?)
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`, migration.Version, migration.Description, migration.Checksum)
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if err != nil {
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return fmt.Errorf("failed to record migration: %v", err)
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}
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return tx.Commit()
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}
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// rollbackMigration executes a migration rollback in a transaction
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func (m *Migrator) rollbackMigration(migration Migration) error {
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if migration.Down == "" {
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return fmt.Errorf("migration %d has no rollback script", migration.Version)
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}
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tx, err := m.conn.Begin()
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if err != nil {
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return fmt.Errorf("failed to begin transaction: %v", err)
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}
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defer tx.Rollback()
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// Execute rollback SQL
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statements := strings.Split(migration.Down, ";")
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for _, stmt := range statements {
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stmt = strings.TrimSpace(stmt)
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if stmt == "" {
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continue
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}
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if _, err := tx.Exec(stmt); err != nil {
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return fmt.Errorf("failed to execute rollback statement: %v", err)
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}
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}
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// Remove migration record
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_, err = tx.Exec(`DELETE FROM schema_info WHERE version = ?`, migration.Version)
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if err != nil {
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return fmt.Errorf("failed to remove migration record: %v", err)
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}
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return tx.Commit()
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}
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// ensureSchemaInfoTable creates the schema_info table if it doesn't exist
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func (m *Migrator) ensureSchemaInfoTable() error {
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_, err := m.conn.Exec(`
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CREATE TABLE IF NOT EXISTS schema_info (
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version INTEGER PRIMARY KEY,
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applied_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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description TEXT NOT NULL,
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checksum TEXT NOT NULL
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)
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`)
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return err
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}
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// calculateChecksum generates a checksum for migration content
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func calculateChecksum(content string) string {
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// Simple checksum - in production, use a proper hash function
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return fmt.Sprintf("%x", len(content))
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}
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