David Matějka

This change is [](https://reviewable.io/reviews/contember/engine/215)

similar to orderBy on has-many relations. probably using an annotation ``` @def.OrderBy('createdAt', 'asc') ```

Currently, predicate is applied on both "new" and "old" making it impossible to model state transitions.

fixes #2814

cache password hash in SASL auth

1

In SASL auth handling, `Hi` function is [called](https://github.com/brianc/node-postgres/blob/3e53d06cd891797469ebdd2f8a669183ba6224f6/packages/pg/lib/sasl.js#L40) for every established connection although the password and hash are same. In my measurements, it takes 10-20ms to calculate the hash with...

This change is [](https://reviewable.io/reviews/contember/engine/341)

This change is [](https://reviewable.io/reviews/contember/engine/340)