Christian Schröder wrote: > Indeed, you are right! Granting select permission to the "ts_frontend" > user (more precisely: granting membership to the "zert_readers" role) > solved the problem. > >> This is strange because ts_frontend can select from "EDITORS" because >> of the membership to role zert_readers. > > No, the user "ts_frontend" is (was) not a member of the group > "zert_readers", but the user "www" who uses the view is. My mistake, I got confused in your role hierarchy. Anyway, the problem is solved, and the cause is clear :^) Yours, Laurenz Albe ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match