chore: update readme

CHANGELOG.md

@@ -1,3 +1,5 @@
+#### 0.2.6 (2022-03-29)
+
 # [](https://github.com/uptrace/go-clickhouse/compare/v0.2.4...v) (2022-03-29)
 
 

README.md

@@ -5,6 +5,11 @@
 [![Documentation](https://img.shields.io/badge/ch-documentation-informational)](https://clickhouse.uptrace.dev/)
 [![Chat](https://discordapp.com/api/guilds/752070105847955518/widget.png)](https://discord.gg/rWtp5Aj)
 
+> go-clickhouse is brought to you by :star:
+> [**uptrace/uptrace**](https://github.com/uptrace/uptrace). Uptrace is an open source and blazingly
+> fast [distributed tracing tool](https://get.uptrace.dev/compare/distributed-tracing-tools.html)
+> powered by OpenTelemetry and ClickHouse. Give it a star as well!
+
 This client uses native protocol to communicate with ClickHouse server and requires Go 1.18+ in
 order to use generics. This is not a database/sql driver, but the API is compatible.
 
@@ -113,3 +118,9 @@ func main() {
 	fmt.Println(dest)
 }
 ```
+
+## See also
+
+- [Golang ORM](https://github.com/uptrace/bun) for PostgreSQL, MySQL, MSSQL, and SQLite
+- [Golang PostgreSQL](https://bun.uptrace.dev/postgres/)
+- [Golang HTTP router](https://github.com/uptrace/bunrouter)

chmigrate/migration.go

@@ -17,6 +17,7 @@ type Migration struct {
 	ch.CHModel `ch:"engine:CollapsingMergeTree(sign)"`
 
 	Name       string `ch:",pk"`
+	Comment    string `ch:"-"`
 	GroupID    int64
 	MigratedAt time.Time
 	Sign       int8
@@ -26,7 +27,7 @@ type Migration struct {
 }
 
 func (m *Migration) String() string {
-	return m.Name
+	return fmt.Sprintf("%s_%s", m.Name, m.Comment)
 }
 
 func (m *Migration) IsApplied() bool {
@@ -128,7 +129,7 @@ func (ms MigrationSlice) String() string {
 		if i > 0 {
 			sb.WriteString(", ")
 		}
-		sb.WriteString(ms[i].Name)
+		sb.WriteString(ms[i].String())
 	}
 
 	return sb.String()

chmigrate/migrations.go

@@ -50,15 +50,16 @@ func (m *Migrations) MustRegister(up, down MigrationFunc) {
 
 func (m *Migrations) Register(up, down MigrationFunc) error {
 	fpath := migrationFile()
-	name, err := extractMigrationName(fpath)
+	name, comment, err := extractMigrationName(fpath)
 	if err != nil {
 		return err
 	}
 
 	m.Add(Migration{
-		Name: name,
-		Up:   up,
-		Down: down,
+		Name:    name,
+		Comment: comment,
+		Up:      up,
+		Down:    down,
 	})
 
 	return nil
@@ -89,7 +90,7 @@ func (m *Migrations) Discover(fsys fs.FS) error {
 			return nil
 		}
 
-		name, err := extractMigrationName(path)
+		name, comment, err := extractMigrationName(path)
 		if err != nil {
 			return err
 		}
@@ -98,6 +99,8 @@ func (m *Migrations) Discover(fsys fs.FS) error {
 		if err != nil {
 			return err
 		}
+
+		migration.Comment = comment
 		migrationFunc := NewSQLMigrationFunc(fsys, path)
 
 		if strings.HasSuffix(path, ".up.sql") {
@@ -154,15 +157,15 @@ func migrationFile() string {
 	return ""
 }
 
-var fnameRE = regexp.MustCompile(`^(\d{14})_[0-9a-z_\-]+\.`)
+var fnameRE = regexp.MustCompile(`^(\d{14})_([0-9a-z_\-]+)\.`)
 
-func extractMigrationName(fpath string) (string, error) {
+func extractMigrationName(fpath string) (string, string, error) {
 	fname := filepath.Base(fpath)
 
 	matches := fnameRE.FindStringSubmatch(fname)
 	if matches == nil {
-		return "", fmt.Errorf("chmigrate: unsupported migration name format: %q", fname)
+		return "", "", fmt.Errorf("chmigrate: unsupported migration name format: %q", fname)
 	}
 
-	return matches[1], nil
+	return matches[1], matches[2], nil
 }

chmigrate/migrator.go

@@ -352,7 +352,7 @@ func (m *Migrator) Lock(ctx context.Context) error {
 	if _, err := m.db.ExecContext(
 		ctx,
 		"ALTER TABLE ? ADD COLUMN ? Int8",
-		ch.Safe(m.locksTable), ch.Safe("col1"),
+		ch.Safe(m.locksTable), ch.Safe("lock"),
 	); err != nil {
 		return fmt.Errorf("chmigrate: migrations table is already locked (%w)", err)
 	}
@@ -363,7 +363,7 @@ func (m *Migrator) Unlock(ctx context.Context) error {
 	if _, err := m.db.ExecContext(
 		ctx,
 		"ALTER TABLE ? DROP COLUMN ?",
-		ch.Safe(m.locksTable), ch.Safe("col1"),
+		ch.Safe(m.locksTable), ch.Safe("lock"),
 	); err != nil && !strings.Contains(err.Error(), "Cannot find column") {
 		return fmt.Errorf("chmigrate: migrations table is already unlocked (%w)", err)
 	}