sqlfixture.go
func FromYAML(db *sql.DB, yamlIn []byte) (Fixture, error) {
	var tables Tables
	err := yaml.Unmarshal(yamlIn, &tables)
	return New(db, tables), err
}
func FromYAML(db *sql.DB, yamlIn []byte) (Fixture, error) {
	var tables Tables
	err := yaml.Unmarshal(yamlIn, &tables)
	return New(db, tables), err
}
// FromYAML allows a fixture to be created from yaml input