I'd prefer to just go with MySQL syntax and not reinvent the wheel. Sergi
2017-01-04 16:14 GMT+03:00 Noel Grandin <[email protected]>: > I'm ok with that. I think MySQL' s index syntax looks ok to me, although > I'd prefer an index name instead of a key list. > On Wed, 04 Jan 2017 at 14:13, Steve McLeod <[email protected]> wrote: > >> I'm considering attempting to add index hints to H2. >> >> Questions: >> * Is this a good idea? Or is it better to work on making the query >> optimizer smarter at choosing the correct index? >> * Is Oracle's syntax preferable? Or MySQL's syntax? Or is there a better >> syntax altogether? >> >> Oracle: >> SELECT /*+ INDEX (employees emp_department_ix)*/ >> employee_id, department_id >> FROM employees >> WHERE department_id > 50; >> >> MySQL: >> SELECT * FROM table1 USE INDEX (col1_index,col2_index) >> WHERE col1=1 AND col2=2 AND col3=3; >> >> >> -- >> 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 https://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 https://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 https://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/d/optout.
