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Re: [HACKERS] [PATCH] Generic type subscripting

Dmitry Dolgov <9erthalion6@gmail.com>

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From: Dmitry Dolgov <9erthalion6@gmail.com>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Oleksandr Shulgin <oleksandr.shulgin@zalando.de>, Artur Zakirov <a.zakirov@postgrespro.ru>, Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>, Andres Freund <andres@anarazel.de>, Michael Paquier <michael.paquier@gmail.com>, Oleg Bartunov <obartunov@gmail.com>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, David Steele <david@pgmasters.net>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2018-11-25T17:08:19Z
Lists: pgsql-hackers

Attachments

> On Fri, Nov 9, 2018 at 1:55 PM Dmitry Dolgov <9erthalion6@gmail.com> wrote:
>
> I've noticed, that patch has some conflicts, so here is the rebased version.
> Also, since people are concern about performance impact for arrays, I've done
> some tests similar to [1], but agains the current master - results are similar
> so far, I've got quite insignificant difference between the master and the
> patched version.
>
> [1]: https://www.postgresql.org/message-id/CA%2Bq6zcV8YCKcMHkUKiiUM3eOsq-ubb%3DT1D%2Bki4YbE%3DBYbt1PxQ%40mail.gmail.com

One more rebased version. This time I also decided to use this opportunity, to
write more descriptive commit messages.

Commits

  1. Throw error when assigning jsonb scalar instead of a composite object

  2. Filling array gaps during jsonb subscripting

  3. Implementation of subscripting for jsonb

  4. Allow ALTER TYPE to update an existing type's typsubscript value.

  5. Allow subscripting of hstore values.

  6. Support subscripting of arbitrary types, not only arrays.

  7. jit: Reference function pointer types via llvmjit_types.c.

  8. Teach contain_leaked_vars that assignment SubscriptingRefs are leaky.

  9. jit: Correct parameter type for generated expression evaluation functions.

  10. Renaming for new subscripting mechanism

  11. Fix assertion failure for SSL connections.

  12. Teach eval_const_expressions() to handle some more cases.