Hi, I think you are missing an index on table B, column A.
But probably the explain plan is a big confusing as well, not sure how to be fix this. Regards, Thomas On Tuesday, March 17, 2015, Fred&Dani&Pandora&Aquiles <[email protected]> wrote: > Hi, > > > There are 2 tablescans in the query, there should only be one. >> > > Thomas and Noel correct me if I'm wrong, but H2 treats each Select > statement separately in a depth-first-search fashion. According to the > optimization strategy, the first table of the sequence always get a table > Scan, because there's no evaluable condition index. Can you elaborate more > why you think the should only be one tableScan? > > Regards, > > Fred > > -- > 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.
