Method calculateKeys

subprojects/groovy-sql/src/main/java/groovy/sql/Sql.java:4975–4991

(ResultSet keys)

    //-------------------------------------------------------------------------

    private static List<List<Object>> calculateKeys(ResultSet keys) throws SQLException {
        // Prepare a list to contain the auto-generated column
        // values, and then fetch them from the statement.
        List<List<Object>> autoKeys = new ArrayList<>();
        int count = keys.getMetaData().getColumnCount();

        // Copy the column values into a list of a list.
        while (keys.next()) {
            List<Object> rowKeys = new ArrayList<>(count);
            for (int i = 1; i <= count; i++) {
                rowKeys.add(keys.getObject(i));
            }

            autoKeys.add(rowKeys);
        }
        return autoKeys;
    }

    private Statement createStatement(Connection connection) throws SQLException {
        if (resultSetHoldability == -1) {