Re: PQisBusy() always busy

From: bradg <bg4all(at)me(dot)com>
To: pgsql-novice(at)postgresql(dot)org
Subject: Re: PQisBusy() always busy
Date: 2011-09-12 17:21:08
Message-ID: 1315848068901-4794992.post@n5.nabble.com
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Thanks Merlin.

I added the piece to check PQconsumeInput(). Unfortunately it has not solved
my problem. It returns 1 indicating "no error" and PQisBusy() still returns
1 indefinitely.

Here's the updated code:

bool is_result_ready( PGconn * connection )
{
int my_socket;
struct timeval timer;
fd_set read_mask;

if( PQisBusy( connection ) == FALSE )
return( TRUE );

my_socket = PQsocket( connection );

timer.tv_sec = (time_t)1;
timer.tv_usec = 0;

FD_ZERO( &read_mask );
FD_SET( my_socket, &read_mask );

if( select( my_socket + 1, &read_mask, NULL, NULL, &timer ) == 0 )
{
return( FALSE );
}
else if( FD_ISSET( my_socket, &read_mask ))
{
if (PQconsumeInput( connection ))
{
if( PQisBusy( connection ))
return( FALSE );
else
return( TRUE );
}
else
{
printf("ERROR with PQconsumeInput(): %s\n",
PQerrorMessage(connection));
return ( FALSE );
}
}
else
{
return( FALSE );
}
}

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