mysql - Questions regarding Pentaho Report designer -


  1. i have datetime-type column in mysql. now, in report want use date part for

    a. grouping

    b. comparison

i tried looking solution on net, couldn't find it.

  1. how use distinct in sql query in report designer. if design following query

    select count (distinct user_id) mytable

it converts same to

select distinct count (user_id) mytable

please help.

i never ran such behavior, but, anyway, think quick (but not best) workaround use following query:

select        count(0)         (select distinct user_id mytable) t

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