Hi, Try:
SELECT account_id, COUNT(time) as y FROM TABLE_123 GROUP BY account_id HAVING count(time)=2; Regards, Thomas On Thu, Aug 27, 2015 at 11:01 AM, Taras Fedkiv <[email protected] <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: > Thomas, > Ok, but behaviour is not consistent. Please look carefully at the > following example: > > 1. Prepare initial data > CREATE MEMORY TABLE IF NOT EXISTS TABLE_123(account_id BIGINT, time > BIGINT) NOT PERSISTENT > INSERT INTO TABLE_123 (account_id,time) VALUES (10,2) > INSERT INTO TABLE_123 (account_id,time) VALUES (10,2) > > 2. run query where alias 'time' is the same as column name > SELECT account_id, COUNT(time) as time FROM TABLE_123 GROUP BY account_id > HAVING time=2 > OK. Treats 'time' as column name and returns [{account_id=10, time=2}] > > 3. insert one more row > INSERT INTO TABLE_123 (account_id,time) VALUES (10,3) > > 4. Run query from step #2. > SELECT account_id, COUNT(time) as time FROM TABLE_123 GROUP BY account_id > HAVING time=2 > FAIL. Column """time""" must be in the GROUP BY list; SQL statement > [90016-187] > > > a) its not clear why #4 failed but #2 was ok. If h2 supports alias the > same as column name then both query should be successfull, otherwise they > both should fail > b) Error description is step#4 is not helpful and correct. If I add 'time' > to GROUP BY, query still fails. > c) Please add documentation about H2 support of column aliases in "HAVING" > > Thank you, > Taras > > The information in this message may be confidential. It is intended > solely for > the addressee(s). If you are not the intended recipient, any disclosure, > copying or distribution of the message, or any action or omission taken by > you > in reliance on it, is prohibited and may be unlawful. Please immediately > contact the sender if you have received this message in error. > > -- > You received this message because you are subscribed to the Google Groups > "H2 Database" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <javascript:_e(%7B%7D,'cvml','h2-database%[email protected]');> > . > To post to this group, send email to [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>. > Visit this group at http://groups.google.com/group/h2-database. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/d/optout.
