Are there any activities in JSON data types for the next commitfest? I'd like to help you if you are working on the topic, or I can make up previous works and discussions by myself.
On Mon, Oct 25, 2010 at 1:36 AM, Terry Laurenzo <t...@laurenzo.org> wrote: >> Yeah, my concern is not whether the overhead will be zero; it's >> whether it will be small, yet allow large gains on other operations. >> Like, how much slower will it be to pull out a moderately complex 1MB >> JSON blob (not just a big string) out of a single-row, single-column >> table? If it's 5% slower, that's probably OK, since this is a >> reasonable approximation of a worst-case scenario. If it's 50% >> slower, that sounds painful. It would also be worth testing with a >> much smaller size, such as a 1K object with lots of internal >> structure. In both cases, all data cached in shared_buffers, etc. >> >> Then on the flip side how do we do on val[37]["whatever"]? You'd like >> to hope that this will be significantly faster than the text encoding >> on both large and small objects. If it's not, there's probably not >> much point. > > We're on the same page. I'm implementing the basic cases now and then will > come up with some benchmarks. -- Itagaki Takahiro -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers