feat: initial commit

example/migrations/migrations/20210505110026_foo.go

@@ -0,0 +1,18 @@
+package migrations
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/uptrace/go-clickhouse/ch"
+)
+
+func init() {
+	Migrations.MustRegister(func(ctx context.Context, db *ch.DB) error {
+		fmt.Print(" [up migration] ")
+		return nil
+	}, func(ctx context.Context, db *ch.DB) error {
+		fmt.Print(" [down migration] ")
+		return nil
+	})
+}

example/migrations/migrations/20211204231031_initial.down.sql

@@ -0,0 +1 @@
+SELECT 'down migration'

example/migrations/migrations/20211204231031_initial.up.sql

@@ -0,0 +1 @@
+SELECT 'up migration'

example/migrations/migrations/main.go

@@ -0,0 +1,18 @@
+package migrations
+
+import (
+	"embed"
+
+	"github.com/uptrace/go-clickhouse/chmigrate"
+)
+
+var Migrations = chmigrate.NewMigrations()
+
+//go:embed *.sql
+var sqlMigrations embed.FS
+
+func init() {
+	if err := Migrations.Discover(sqlMigrations); err != nil {
+		panic(err)
+	}
+}