Re: Alternative to psql -c ?

James Le Cuirot <chewi@aura-online.co.uk> writes:
> Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> PG is not capable of executing queries that are not in transactions,
>> so yes, PQsendQuery will create a single-statement transaction if you
>> haven't sent BEGIN.  However, there's a huge difference for the
>> purposes we're discussing here: PQsendQuery does not allow more than
>> one SQL command in the string.  So most of this discussion is
>> irrelevant when you're going through that API.

> Heh, are you sure? From the docs...

> "Using PQsendQuery and PQgetResult solves one of PQexec's problems: If a
> command string contains multiple SQL commands, the results of those
> commands can be obtained individually."

Oh, sorry, I was confusing that with the extended-query-mode API
(PQexecParams).

Yeah, PQsendQuery is like PQexec for this purpose --- the backend does
not actually know the difference.

            regards, tom lane