select * from ssq_1 where id in (select ssq_2.id from ssq_2);
- failed to receive response from observer. reason=Failed to receive from server. poll return POLLHUP=16 or POLLERR=str(event & select.POLLERR)
failed to receive response from observer. reason=Failed to receive from server. poll return POLLHUP=16 or POLLERR=str(event & select.POLLERR)
– below are some requests executed before(partial) –
– init data
CREATE TABLE ssq_1(id int, col1 int, feat1 float);
CREATE TABLE ssq_2(id int, col2 int, feat2 float);
CREATE TABLE ssq_3(id int, col3 int, feat3 float);
CREATE TABLE ssq_4(id int, col4 char(20));
INSERT INTO ssq_1 VALUES (97, 86, 27.73);