An Tao

what's the type of the user_id column of the Posts table?

looks like a bug. I'll figure it out.

You can use `CompareOperator::In`, it should work.

Drogon does not depend on other HTTP libraries

Drogon has been ported to conan, you can use drogon directly with conan.

@ken-matsui Thanks so much for the PR. It LGTM. would u please add the execAsync and execCoro method to the FilterBuilder class?

> @an-tao > > > Thanks so much for the PR. It LGTM. > > Thank you for your review! > > > would u please add the execAsync and...

@ken-matsui would you please add some tests to the db_test.cc for this patch? thanks.

> Hi @an-tao, > > I've added tests for the builders. However, I am not sure they are working correctly because they are frequently skipped somehow. > > Let me...

> @an-tao > > > If you use placeholders for parameters, DbClient can prevent SQL injection. > > Thank you for your answer. Do you prefer to include the change...