I haven't thought much about this, but wouldn't RDF and SPARQL also be goo matches for this task? I believe rdflib provides all required building blocks. I'm not sure if SPARQL is a suitable query language, though.
On 29/09/2018 10:58, Martin Blais wrote: > This whole SQL prototype needs to get rewritten at some point. > It really is just a quickly put together, poorly tested prototype. > (I've started to fiddle a tiny litlte bit with Project Ibis > (https://github.com/ibis-project/ibis) and maybe implementing a SQL FE > to this and a simple in-memory BE could leverage its type system and > provide a more robust SQL-like implementation.) > > > On Sat, Sep 29, 2018 at 9:52 AM Stefano Zacchiroli <[email protected]> wrote: > > On Sat, Sep 29, 2018 at 06:33:48AM -0700, > [email protected] <mailto:[email protected]> wrote: > > Did you already try : > > STR(ANY_META('trip')) != null ?? > > Oh, I didn't know about null in BQL. So the following works (which is > probably what you meant above): > > ANY_META('trip') != null > > and is indeed quite nice. > > Interpreting null values as False in boolean context would still be a > nice to have, but it's definitely not more important than that. > > Thanks for the tip! > > Cheers > -- > Stefano Zacchiroli . [email protected] . upsilon.cc/zack > <http://upsilon.cc/zack> . . o . . . o . o > Computer Science Professor . CTO Software Heritage . . . . . o . . . o o > Former Debian Project Leader . OSI Board Director . . . o o o . . . o . > « the first rule of tautology club is the first rule of tautology club » > > -- > You received this message because you are subscribed to the Google > Groups "Beancount" group. > To unsubscribe from this group and stop receiving emails from it, > send an email to [email protected] > <mailto:beancount%[email protected]>. > To post to this group, send email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > > https://groups.google.com/d/msgid/beancount/20180929135225.v26knfs3lty5zxnv%40upsilon.cc. > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google > Groups "Beancount" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected] > <mailto:[email protected]>. > To post to this group, send email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beancount/CAK21%2BhMsbLf3ZxDiSdCasgZG4j8kf3ohSYHpZ7-_QbS3_PtxLw%40mail.gmail.com > <https://groups.google.com/d/msgid/beancount/CAK21%2BhMsbLf3ZxDiSdCasgZG4j8kf3ohSYHpZ7-_QbS3_PtxLw%40mail.gmail.com?utm_medium=email&utm_source=footer>. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Beancount" 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beancount/4e3eec41-29fd-e958-1c0d-f94104c54b5e%40grinta.net. For more options, visit https://groups.google.com/d/optout.
