Postgres statement_timeout

For Postgres:

1. Is there an ODBC example to identify/process records locks in
Postgres?
2. Is there an example using ODBC to set the statement attribute:
SQL_ATTR_QUERY_TIMEOUT to timeout; I have only been able to edit file:
postgresl.conf to set the timeout(i.e. defined statement_timeout=(msec)
). I am currently using timeout to indicate a record lock may have
occurred
3. Is there an example/expanded content for the following message
at link:
http://archives.postgresql.org/pgsql-performance/2004-01/msg00296.php

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