Very interesting.

when I set log_statement='all', I see entries for various queries, but I see nothing for the query I list below. If I just use printf() to print out the c-string, it looks just like all the other queries.

Eric

On May 25, 2009, at 5:31 PM, Tom Lane wrote:

Eric Smith <eric_h_sm...@mac.com> writes:
Seems to work just fine.  If, on the other hand, I issue the same
command from within the C API:

NSString* query = [NSString stringWithFormat:@"SELECT usename FROM
pg_catalog.pg_user"];
        postgresResult = PQexec(myConnection, [query UTF8String]);

I get an error, extracted via:

You sure that thing is sending the string you think it is?  I'd
try turning on log_statement and looking in the postmaster log
to see what it thinks it's getting.

                        regards, tom lane


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