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Re: Index AM API cleanup

Peter Eisentraut <peter@eisentraut.org>

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From: Peter Eisentraut <peter@eisentraut.org>
To: Mark Dilger <mark.dilger@enterprisedb.com>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2024-09-10T08:10:31Z
Lists: pgsql-hackers 
On 03.09.24 19:26, Mark Dilger wrote:
>> On Sep 3, 2024, at 9:52 AM, Peter Eisentraut <peter@eisentraut.org> wrote:
>>
>> Here is a cleaned-up version of the v17-0004 patch.  I have applied the renaming discussed above.  I have also made a wrapper function btgettreeheight() that calls _bt_getrootheight().  That way, if we ever want to change the API, we don't have to change _bt_getrootheight(), or disentangle it then.  I've also added documentation and put in a source code comment that the API could be expanded for additional uses.
> 
> Ok.
> 
>>   Also, I have removed the addition to the IndexOptInfo struct; that didn't seem necessary.
> 
> Good catch.  I agree with the change.

I have committed this patch.  (It needed another small change to silence 
a compiler warning about an uninitialized variable.)

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Relax ordering-related hardcoded btree requirements in planning

  2. Support non-btree indexes in get_actual_variable_range()

  3. Convert PathKey to use CompareType

  4. Generalize index support in network support function

  5. Update a code comment

  6. Allow non-btree unique indexes for matviews

  7. Allow non-btree unique indexes for partition keys

  8. Add some opfamily support functions to lsyscache.c

  9. Simplify and generalize PrepareSortSupportFromIndexRel()

  10. Generalize hash and ordering support in amapi

  11. Drop opcintype from index AM strategy translation API

  12. Allow non-btree speculative insertion indexes

  13. Support non-btree indexes for foreign keys

  14. Integrate GistTranslateCompareType() into IndexAmTranslateCompareType()

  15. Convert strategies to and from compare types

  16. Move CompareType to separate header file

  17. Add get_opfamily_name() function

  18. Rename GistTranslateStratnum() to GistTranslateCompareType()

  19. Change gist stratnum function to use CompareType

  20. Rename RowCompareType to CompareType

  21. Improve slightly misleading internal error message

  22. Track scan reversals in MergeJoin

  23. Track sort direction in SortGroupClause

  24. Add stratnum GiST support function

  25. Add amgettreeheight index AM API routine