Horton

Re: automatically generating node support functions

Peter Eisentraut <peter.eisentraut@enterprisedb.com>

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From: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
To: David Rowley <dgrowleyml@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2022-05-23T05:49:52Z
Lists: pgsql-hackers

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On 25.03.22 14:08, Peter Eisentraut wrote:
>> 2. Some of these comment lines have become pretty long after having
>> added the attribute macro.
>>
>> e.g.
>>
>> PlannerInfo *subroot pg_node_attr(readwrite_ignore); /* modified
>> "root" for planning the subquery;
>>     not printed, too large, not interesting enough */
>>
>> I wonder if you'd be better to add a blank line above, then put the
>> comment on its own line, i.e:
>>
>>   /* modified "root" for planning the subquery; not printed, too large,
>> not interesting enough */
>> PlannerInfo *subroot pg_node_attr(readwrite_ignore);
> 
> Yes, my idea was to make a separate patch first that reformats many of 
> the structs and comments in that way.

Here is a patch that reformats the relevant (and a few more) comments 
that way.  This has been run through pgindent, so the formatting should 
be stable.

Commits

  1. Fix MSVC build script's check for obsolete node support functions.

  2. Improve performance of ORDER BY / DISTINCT aggregates

  3. doc: Fix typos in protocol.sgml

  4. Tighten up parsing logic in gen_node_support.pl.

  5. Add defenses against unexpected changes in the NodeTag enum list.

  6. Add copy/equal support for XID lists

  7. Rationalize order of input files for gen_node_support.pl.

  8. Make assorted quality-of-life improvements in gen_node_support.pl.

  9. Doc: rearrange high-level commentary about node support coverage.

  10. Automatically generate node support functions

  11. Adjust node serialization tag of A_Expr for consistency

  12. Remove T_Join and T_Plan

  13. Reformat some more node comments

  14. Reformat some node comments

  15. Remove JsonPathSpec typedef

  16. Add missing enum tag in enum used in nodes

  17. Add Cardinality typedef

  18. Make node output prefix match node structure name

  19. Add WRITE_INDEX_ARRAY

  20. Add COPY_ARRAY_FIELD and COMPARE_ARRAY_FIELD

  21. Remove T_Expr

  22. Change NestPath node to contain JoinPath node

  23. Change SeqScan node to contain Scan node

  24. Check the size in COPY_POINTER_FIELD

  25. Remove T_MemoryContext

  26. Add missing enum tags in enums used in nodes

  27. Rename some node support functions for consistency

  28. Rename argument of _outValue()

  29. Rename NodeTag of ExprState