sql - Case statement within select case statement -


i trying create case statement work seem messing syntax somehow. here have far:

select lp.assign_date, case when lp.assign_date > '01-jan-13'    (select count(*) > 0 'bad' else 'good' end    transaction_table    account = :v_acct    , transaction_date < :v_tran_date    , transaction_code = :v_tran_code     , :v_tran_code in (1,6,25)    , attorney_id = :v_atty_id) else   (select    function_legal_chk(:v_acct, :v_tran_date)    dual) legal_placement lp;

essentially checking see if assigned date after january, if next case statement else function.

here error receiving:

ora-00923: keyword not found expected 00923. 00000 -  "from keyword not found expected"

from know , research i've done on case statements, syntax seems correct not sure if case within case can done.

any appreciated.

here correct syntax:

select lp.assign_date,        (case when lp.assign_date > '01-jan-13'               (select (case when count(*) > 0 'bad' else 'good' end)                    transaction_table                    account = :v_acct                      , transaction_date < :v_tran_date                      , transaction_code = :v_tran_code                       , :v_tran_code in (1,6,25)                      , attorney_id = :v_atty_id                  )              else function_legal_chk(:v_acct, :v_tran_date)         end) legal_placement lp;

the nested case statement either has entirely in subquery (as shown above) or entirely outside. original has half-and-half. also, don't need subquery call function in select. technically ok, unnecessary.


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