Where clause should error on unknown fields

[glentakahashi]

Issue type:

[ ] question
[x] bug report
[ ] feature request
[ ] documentation issue

Database system/driver:

[ ] cordova
[ ] mongodb
[ ] mssql
[ ] mysql / mariadb
[ ] oracle
[ ] postgres
[ ] cockroachdb
[ ] sqlite
[ ] sqljs
[ ] react-native
[ ] expo

TypeORM version:

[x] latest
[ ] @next
[ ] 0.x.x (or put your version here)

Steps to reproduce or a small repository showing the problem:

Right now if you have an entity A with a relation to B, this will silently drop that part of the where clause and not throw any errors.

repo.find({
  where: {
    bId: 123
  }
}

It works if you do

repo.find({
  where: {
    b: {
      id: 123
    }
  }
}

However, this is an easy mistake to make.

I think TypeORM should throw warnings for unknown fields in the where clause and/or update the typings to not allow unknown fields.

[imnotjames]

Duplicate of #3416