Now I fixed it.
CREATE TRIGGER tableA _InsertUpdate
AFTER INSERT
ON tableA
begin
update tableB
set
[LowestTime] = CASE WHEN ( [LowestTime] IS NULL ) OR
([LowestTime]> TIME(NEW.TimeStamp)) THEN TIME(NEW.[TimeStamp]) ELSE
[LowestTime] END
end;
... THEN TIME(NEW.[TimeStamp]) - was the key.
If I format a field with "type" 'time' my sqlite db tool only show me the time,
even if I put in a hole datetime.
But I seems that sqlite also wrote the hole datetime in the field!
THANK YOU IGOR!!!!!
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