Function minimal_error_message

src/bin/psql/command.c:5406–5429

* Report just the primary error; this is to avoid cluttering the output * with, for instance, a redisplay of the internally generated query */

 * with, for instance, a redisplay of the internally generated query
 */
static void
minimal_error_message(PGresult *res)
{
	PQExpBuffer msg;
	const char *fld;

	msg = createPQExpBuffer();

	fld = PQresultErrorField(res, PG_DIAG_SEVERITY);
	if (fld)
		printfPQExpBuffer(msg, "%s:  ", fld);
	else
		printfPQExpBuffer(msg, "ERROR:  ");
	fld = PQresultErrorField(res, PG_DIAG_MESSAGE_PRIMARY);
	if (fld)
		appendPQExpBufferStr(msg, fld);
	else
		appendPQExpBufferStr(msg, "(not available)");
	appendPQExpBufferChar(msg, '\n');

	pg_log_error("%s", msg->data);

	destroyPQExpBuffer(msg);
}