UpdateImpl extends BaseSqlPart implements Update { @NotNull @Override public Set set(@NotNull final String... columnNames) { return new SetImpl(columnNames, this); } UpdateImpl(@NotNull final String tableName); @NotNull @Override Set set(@NotNull final String... columnNames); @Override void prependTo(@NotNull final RawSqlBuilder builder); @Nullable @Override SqlPart previous();  }
@Test public void set_returnsNotNullValue() { UpdateImpl update = new UpdateImpl("my_table"); Set result = update.set("a=?"); assertThat(result, is(notNullValue())); }