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#20 Aggregate expressions return NULL for empty relations

open
nobody
None
8
2004-05-26
2004-05-26
Bjorn Bringert
No

Some aggregate expressions (_max, _min etc.) return
NULL when the relation has no rows. This is not
reflected in their type, which can cause runtime errors.

Reported by Gregory Wright on 2004-05-10.

Discussion

  • Bjorn Bringert
    Bjorn Bringert
    2004-05-26

    • priority: 5 --> 8