Hi Michael, Jonathan, Just put a pull request in with patches for jsonb support.
https://github.com/zzzeek/sqlalchemy/pull/101 Jonathan - I've not gotten around to looking at generating indexes yet (and probably won't in the next days) - do you feel like trying this out? Best, Damian On Thursday, June 26, 2014 5:06:49 PM UTC+4, Damian Dimmich wrote: > > > > On Tuesday, June 24, 2014 6:21:40 PM UTC+4, Jonathan Vanasco wrote: >> >> >> >> On Tuesday, June 24, 2014 3:32:41 AM UTC-4, Damian Dimmich wrote: >> >> I intend to develop further syntax/query support for this type on an as >>> needed basis for now - suggestions and comments are much appreciated. >>> >> >> 1. Nice work! Now I'm more likely to use jsonb! >> > :) > >> >> 2. I ran into some sqlalchemy issues with postgresql and gin indexes >> recently. the default `.match()` didn't accept the regconfig argument, >> which can be a necessary argument to properly hint the query-planner to use >> the index. the result was the index is ignored and the column was being >> cast into ts_vector in real-time. on a few thousand rows, there was a 100x >> difference in query time. ( discussion here : >> https://bitbucket.org/zzzeek/sqlalchemy/issue/3078/postgresql-full-text-search-on-match >> >> ; there's a PR in the queue too ) >> >> so my suggestion would be to make sure you run the results of the >> generated SQL through `EXPLAIN ANALYZE` on a decently large test dataset to >> make sure the gin indexes are being used properly. You could end up the >> situation were the sql is totally valid and "looks right", but it's >> structured in a way that the indexes are ignored. >> > > You are way ahead of me in this case it seems :). I'll make sure to do > that however - good suggestion. It looks like the final version of 9.4 > will have more operator support than i'd originally expected (or it may be > pushed into 9.5) according to my understanding of some of the commits in > the postgres tree. It would be cool to have something working at around > the 9.4 release date. > > d > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
