Re: [Format][Union] polymorphic vectors vs ADT style vectors

2024-04-02 Thread James Henderson
at stores different types. In the > > ADT > > > > >> world > > > > >>> you could have multiple child vectors with the same type but > > > different > > > > >> type > > > > >>> ids in the union type vector. The difference is apparent if you > > want > > > to > > > > >> use > > > > >>> two BigIntVectors as children which doesn't exist in world 1. > > World 1 > > > > is > > > > >> a > > > > >>> subset of world 2. > > > > >>> > > > > >>> The spec (to my understanding) doesn’t explicitly forbid world 2, > > but > > > > the > > > > >>> implementation we have been using (Java) has been making the > > > assumption > > > > >> of > > > > >>> being in world 1 (a union only having ONE child of each type). We > > > > >> sometimes > > > > >>> use union in the ADT style which has led to problems down the > road. > > > > >>> > > > > >>> Could someone clarify what the specification allows and what it > > > doesn’t > > > > >>> allow? Could we tighten the specification after that > clarification? > > > > >>> > > > > >>> Best, Finn > > > > >>> > > > > >> > > > > > > > > > > > > > > > -- *James Henderson* XTDB Head of Engineering at *JUXT* Mobile +44 (0) 780 4321 777 <+447804321777> Email j...@juxt.pro Website https://juxt.pro [image: photo]

Re: DISCUSS: [FlightSQL] Catalog support

2022-11-11 Thread James Henderson
values and types > > Some things may require more consideration, e.g. transaction isolation > might be better off as part of the transaction RPCs than an ambient > property. Are you interested in writing up a (sketch of a) proposal? > > -David > > On Thu, Nov 10, 2022, at 10:09, James He

Re: DISCUSS: [FlightSQL] Catalog support

2022-11-10 Thread James Henderson
d recipient(s) and > may > > contain confidential and privileged information. Any unauthorized > review, > > use, disclosure, or distribution is prohibited. If you are not the > > intended recipient, please contact the sender by reply email and destroy > > all copies of the original message. Thank you. > -- *James Henderson* XTDB Developer at *JUXT* Email j...@juxt.pro Website https://juxt.pro [image: photo]

Re: [Java] UTF-16 support for VarCharVectors

2022-09-29 Thread James Henderson
rChar vectors only support UTF-8. Are they something that may > be > > supported in the future? > > > > Regards. > > Kevin. > > > -- *James Henderson* XTDB Development Manager at *JUXT* Email j...@juxt.pro Website https://juxt.pro [image: photo]

Re: [VOTE] Substrait for Flight SQL

2022-09-01 Thread James Henderson
+1 (non-binding) -- James Henderson XTDB Development Manager at JUXT Email j...@juxt.pro Website https://juxt.pro [image: photo]