public static String validateIndexNameIgnoreCase(@Nullable String indexName) {
    checkDbIdentifier(indexName, "Index name", INDEX_NAME_MAX_SIZE, true);
    return indexName;
  }
@Test
  public void fail_when_index_name_is_an_SQL_reserved_keyword_ignoring_case() {
    assertThatThrownBy(() -> validateIndexNameIgnoreCase("VALUES"))
      .isInstanceOf(IllegalArgumentException.class)
      .hasMessage("Index name must not be an SQL reserved keyword, got 'VALUES'");

    assertThatThrownBy(() -> validateIndexNameIgnoreCase("values"))
      .isInstanceOf(IllegalArgumentException.class)
      .hasMessage("Index name must not be an SQL reserved keyword, got 'values'");
  }