Distinct with Query Schema Crashes

[deusaquilus]

Version: (e.g. 3.4.0-SNAPSHOT)
Module: (e.g. quill-sql)
Database: (e.g. ALL)

Multiple distinct does not work with query schemas:

case class SimpleEnt(a: Int, b: String)
case class SimpleEnt2(aa: Int, bb: String)

val qschem = quote {
  querySchema[SimpleEnt]("CustomEnt", _.a -> "field_a")
}

val q = quote {
  qschem.map(e => SimpleEnt(e.a + 1, e.b))
    .distinct
    .map(e => SimpleEnt2(e.a + 2, e.b))
    .distinct
}
println(run(q).string)

The following error occurs:

cmd3.sc:14: exception during macro expansion: 
java.util.NoSuchElementException: key not found: field_a
	at scala.collection.MapLike$class.default(MapLike.scala:228)
	at scala.collection.AbstractMap.default(Map.scala:59)
	at scala.collection.MapLike$class.apply(MapLike.scala:141)
	at scala.collection.AbstractMap.apply(Map.scala:59)

Technically, it goes without saying... but the problem also happens with schemaMeta:

implicit val qs = schemaMeta[SimpleEnt]("CustomEnt", _.a -> "field_a")

val q = quote {
  query[SimpleEnt].map(e => SimpleEnt(e.a + 1, e.b))
    .distinct
    .map(e => SimpleEnt2(e.a + 2, e.b))
    .distinct
}
println(run(q).string)

@getquill/maintainers