lxd/db/schema/update.go
func DotGo(updates map[int]Update, name string) error {
	// Apply all the updates that we have on a pristine database and dump
	// the resulting schema.
	db, err := sql.Open("sqlite3", ":memory:")
	if err != nil {
		return fmt.Errorf("failed to open schema.go for writing: %v", err)
	}

	schema := NewFromMap(updates)

	_, err = schema.Ensure(db)
	if err != nil {
		return err
	}

	dump, err := schema.Dump(db)
	if err != nil {
		return err
	}

	// Passing 1 to runtime.Caller identifies our caller.
	_, filename, _, _ := runtime.Caller(1)

	file, err := os.Create(path.Join(path.Dir(filename), name+".go"))
	if err != nil {
		return fmt.Errorf("failed to open Go file for writing: %v", err)
	}

	pkg := path.Base(path.Dir(filename))
	_, err = file.Write([]byte(fmt.Sprintf(dotGoTemplate, pkg, dump)))
	if err != nil {
		return fmt.Errorf("failed to write to Go file: %v", err)
	}

	return nil
}
func DotGo(updates map[int]Update, name string) error {
	// Apply all the updates that we have on a pristine database and dump
	// the resulting schema.
	db, err := sql.Open("sqlite3", ":memory:")
	if err != nil {
		return fmt.Errorf("failed to open schema.go for writing: %v", err)
	}

	schema := NewFromMap(updates)

	_, err = schema.Ensure(db)
	if err != nil {
		return err
	}

	dump, err := schema.Dump(db)
	if err != nil {
		return err
	}

	// Passing 1 to runtime.Caller identifies our caller.
	_, filename, _, _ := runtime.Caller(1)

	file, err := os.Create(path.Join(path.Dir(filename), name+".go"))
	if err != nil {
		return fmt.Errorf("failed to open Go file for writing: %v", err)
	}

	pkg := path.Base(path.Dir(filename))
	_, err = file.Write([]byte(fmt.Sprintf(dotGoTemplate, pkg, dump)))
	if err != nil {
		return fmt.Errorf("failed to write to Go file: %v", err)
	}

	return nil
}
func DotGo ( updates map [ int ] Update , name string ) error { // Apply all the updates that we have on a pristine database and dump // the resulting schema. db , err := sql . Open ( " " , " " ) if err != nil { return fmt . Errorf ( " " , err ) } schema := NewFromMap ( updates ) _ , err = schema . Ensure ( db ) if err != nil { return err } dump , err := schema . Dump ( db ) if err != nil { return err } // Passing 1 to runtime.Caller identifies our caller. _ , filename , _ , _ := runtime . Caller ( 1 ) file , err := os . Create ( path . Join ( path . Dir ( filename ) , name + " " ) ) if err != nil { return fmt . Errorf ( " " , err ) } pkg := path . Base ( path . Dir ( filename ) ) _ , err = file . Write ( [ ] byte ( fmt . Sprintf ( dotGoTemplate , pkg , dump ) ) ) if err != nil { return fmt . Errorf ( " " , err ) } return nil }
// DotGo writes '<name>.go' source file in the package of the calling function, containing
// SQL statements that match the given schema updates.
//
// The <name>.go file contains a "flattened" render of all given updates and
// can be used to initialize brand new databases using Schema.Fresh().
DotGo writes <name > . go source file in the package of the calling function containing SQL statements that match the given schema updates . The <name > . go file contains a flattened render of all given updates and can be used to initialize brand new databases using Schema . Fresh () .