Function pqPutMsgEnd

src/interfaces/libpq/fe-misc.c:589–604

* pqPutMsgEnd: finish constructing a message and possibly send it * * Returns 0 on success, EOF on error * * We don't actually send anything here unless we've accumulated at least * 8K worth of data (the typical size of a pipe buffer on Unix systems). * This avoids sending small partial packets. The caller must use pqFlush * when it's important to flush all the data out to the server. */

 * when it's important to flush all the data out to the server.
 */
int
pqPutMsgEnd(PGconn *conn)
{
	pqPutMsgEndNoAutoFlush(conn);

	if (conn->outCount >= 8192)
	{
		int			toSend = conn->outCount - (conn->outCount % 8192);

		if (pqSendSome(conn, toSend) < 0)
			return EOF;
		/* in nonblock mode, don't complain if unable to send it all */
	}

	return 0;
}

/* ----------
 * pqReadData: read more data, if any is available