func createSchemaTable(tx *sql.Tx) error {
	statement := `
CREATE TABLE schema (
    id         INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    version    INTEGER NOT NULL,
    updated_at DATETIME NOT NULL,
    UNIQUE (version)
)
`
	_, err := tx.Exec(statement)
	return err
}
func createSchemaTable(tx *sql.Tx) error {
	statement := `
CREATE TABLE schema (
    id         INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    version    INTEGER NOT NULL,
    updated_at DATETIME NOT NULL,
    UNIQUE (version)
)
`
	_, err := tx.Exec(statement)
	return err
}
// Create the schema table.