lock problem

hi all

 I have a lock problem, one select query freeze my
application, the query in question is on complex
select  , with many join's, but select all of them.
 The select * from pg_catalog.pg_locks show many rows
while the query freeze my aplication.
the aplication use ODBC .
any ideas?.
any help wellcomed
 best
  MDC

pd: what query show pg_locks ? , have a view ?
sorry for my poor english and thanks for your time.


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