Horton

Re: [PATCH] Generic type subscripting

Dmitry Dolgov <9erthalion6@gmail.com>

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From: Dmitry Dolgov <9erthalion6@gmail.com>
To: Arthur Zakirov <a.zakirov@postgrespro.ru>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, David Steele <david@pgmasters.net>, peter.eisentraut@2ndquadrant.com, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2017-05-10T20:43:10Z
Lists: pgsql-hackers

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On 28 February 2017 at 19:02, Dmitry Dolgov <9erthalion6@gmail.com> wrote:
>
> Regarding to the previous conversation [1], here is the patch for generic
type
> subscripting with several improvements. It contains the following changes:

So, a few words about current state of the patch:

* after a lot of serious improvements general design of this feature is
agreeable

* we introduced a lot of small changes to polish it

* I rebased the patch on the latest version of master, so you can take a
look at it again

As always, any feedback is welcome.

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.