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package migrate_test
import (
"database/sql"
"embed"
"fmt"
"src.userspace.com.au/go-migrate"
)
func ExampleNewFileMigrator() {
db, err := sql.Open("sqlite3", "file:test?mode=memory&cache=shared")
if err != nil {
fmt.Printf("error: %s\n", err)
}
defer db.Close()
// Relative path to migration files
migrator, err := migrate.NewFileMigrator(db, "file://testdata/")
if err != nil {
fmt.Printf("error: %s\n", err)
}
// Migrate all the way
err = migrator.Migrate()
if err != nil {
fmt.Printf("error: %s\n", err)
}
v, err := migrator.Version()
fmt.Printf("database at version %d\n", v)
// Output: database at version 2
}
func ExampleNewFSMigrator() {
//go:embed testdata/*.sql
var migrations embed.FS
db, err := sql.Open("sqlite3", "file:test?mode=memory&cache=shared")
if err != nil {
fmt.Printf("error: %s\n", err)
}
defer db.Close()
// Relative path to migration files
migrator, err := migrate.NewFSMigrator(db, migrations)
if err != nil {
fmt.Printf("error: %s\n", err)
}
// Migrate all the way
err = migrator.Migrate()
if err != nil {
fmt.Printf("error: %s\n", err)
}
v, err := migrator.Version()
fmt.Printf("database at version %d\n", v)
// Output: database at version 2
}
func ExampleNewStringMigrator() {
migrations := []string{
"create table if not exists test1 (pk bigint not null primary key);",
"insert into test1 (pk) values (1)",
}
db, err := sql.Open("sqlite3", "file:test?mode=memory&cache=shared")
if err != nil {
fmt.Printf("error: %s\n", err)
}
defer db.Close()
// Relative path to migration files
migrator, err := migrate.NewStringMigrator(db, migrations)
if err != nil {
fmt.Printf("error: %s\n", err)
}
// Migrate all the way
err = migrator.Migrate()
if err != nil {
fmt.Printf("error: %s\n", err)
}
v, err := migrator.Version()
fmt.Printf("database at version %d\n", v)
// Output: database at version 2
}
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