@Override
    public boolean getBoolean(final int columnIndex) throws SQLException {
        return (boolean) ResultSetUtils.convertValue(mergeResultSet.getValue(columnIndex, boolean.class), boolean.class);
    }
@Test
    void assertGetBooleanWithColumnLabelCaseInsensitive() throws SQLException {
        when(mergeResultSet.getValue(1, boolean.class)).thenReturn(true);
        assertTrue(shardingSphereResultSet.getBoolean("lABel"));
    }