Re: Is function atomic?

Wei Weng writes:

> If it is not, is it possible to acquire a lock on a row ? how about a
> lock on a table?

SQL statements issued by server-side functions operate with the same
transaction isolation semantics as "normal" SQL statements.  However,
whatever the function does outside the database may obviously have
different semantics.

-- 
Peter Eisentraut   peter_e@gmx.net   http://funkturm.homeip.net/~peter