PG-1907 PG-18 Support

[artemgavrilov]

PG-1907

Description

Full PG18 diff: postgres/postgres@REL_17_STABLE...REL_18_STABLE

Notable changes:

1. ExecutorRun signature change: postgres/postgres@3eea7a0

2. Use macro to define the number of enum values: postgres/postgres@10b7218

3. Use int64 instead of uint64 for queryIDs: postgres/postgres@c3eda50
   In SQL we always show them as signed + it's just hashes, so we can do that change for all version of PG.

4. Add const list squashing during query normalization:
   postgres/postgres@62d712e
   postgres/postgres@0f65f3e
   postgres/postgres@c2da1a5

5. Removed volatile qualifiers, they are not needed for spinlocks since PG 9.5:
   postgres/postgres@8928817
   postgres/postgres@0709b7e

6. Add columns to track parallel worker activity :postgres/postgres@cf54a2c

7. Add wal_buffers_full: postgres/postgres@ce5bcc4

Links

[codecov]

Codecov Report

❌ Patch coverage is 84.56790% with 25 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.35%. Comparing base (d74e927) to head (f77afaf).
⚠️ Report is 11 commits behind head on main.

Files with missing lines	Patch %	Lines
pg_stat_monitor.c	84.56%	11 Missing and 14 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #560      +/-   ##
==========================================
- Coverage   85.38%   85.35%   -0.03%     
==========================================
  Files           3        3              
  Lines        1314     1325      +11     
  Branches      210      212       +2     
==========================================
+ Hits         1122     1131       +9     
- Misses         91       92       +1     
- Partials      101      102       +1     

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[jeltz]

Looks good. Feel free to merge.