On Tue, 5 Mar 2002, Johnson, Shaunn wrote:
> explain
> select
> q.qid,
> q.year,
> m.contract,
> m.mbr_num,
> m.bu,
> m.mbr_sex,
> m.product,
> m.prov_num,
> m.riskgrp,
> p.c_spec_1 as spec,
> date_larger(m.effdt, q.effdt) as effdt,
> date_smaller(m.enddt, q.enddt) as enddt,
> -->>> (date_smaller(m.enddt, q.enddt) as enddt -
> date_larger(m.effdt, q.effdt) as effdt)::float8 / 30.4 as memmonth <<<--
^^ - I don't think you can use as clauses inside the expression... take
out the extra as enddt and as effdt?
