run os command in pg_regress? - Mailing list pgsql-hackers

From Alex
Subject run os command in pg_regress?
Date
Msg-id CAKU4AWoqndgDnZFmMkT7zCxX7QJgQhvGGOvAPBQ0YfEmnX1UMA@mail.gmail.com
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In my case, I want to sleep 3 seconds in xxx.sql for pg_regress program.  but I don't want to run 'select pg_sleep(3)' .   so it is possible for pg_regress? 

in psql, I can run \! sleep(3); exit;

but looks pg_regress doesn't support it. 

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