improve projection errors and traces #1698

Job	Run time
mysql (locked, 8.3, ubuntu-latest, 5.7)	1m 21s
mariadb (locked, 8.3, ubuntu-latest, 10.4)	1m 26s
mysql (locked, 8.3, ubuntu-latest, 8.0)	59s
Postgres (locked, 8.3, ubuntu-latest, 12.17)	1m 22s
mysql (locked, 8.3, ubuntu-latest, 8.2)	1m 26s
Postgres (locked, 8.3, ubuntu-latest, 13.13)	1m 22s
mariadb (locked, 8.3, ubuntu-latest, 10.6)	1m 26s
Postgres (locked, 8.3, ubuntu-latest, 14.10)	58s
mariadb (locked, 8.3, ubuntu-latest, 10.11)	50s
Postgres (locked, 8.3, ubuntu-latest, 15.5)	1m 23s
Sqlite (locked, 8.3, ubuntu-latest)	18s
Postgres (locked, 8.3, ubuntu-latest, 16.1)	1m 20s
mariadb (locked, 8.3, ubuntu-latest, 11.2)	1m 21s
	15m 32s

Provide feedback