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ClickHouse: Allow $ inside identifiers - #2686

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LucaCappelletti94 merged 2 commits into
apache:mainfrom
s5dsn-eqee:clickhouse-dollar-identifier
Oct 19, 2026
Merged

LucaCappelletti94 merged 2 commits into
apache:mainfrom
s5dsn-eqee:clickhouse-dollar-identifier

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Found by the ClickHouse lexer fuzz from #2646

Dialects: Clickhouse

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codecov-commenter commented Oct 19, 2026 •

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.29%. Comparing base (1aabd12) to head (6291da9).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files
@@            Coverage Diff             @@
##             main    #2686      +/-   ##
==========================================
+ Coverage   81.25%   81.29%   +0.04%     
==========================================
  Files          42       42              
  Lines       33910    33950      +40     
  Branches    33910    33950      +40     
==========================================
+ Hits        27553    27601      +48     
+ Misses       2792     2785       -7     
+ Partials     3565     3564       -1     

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@LucaCappelletti94 LucaCappelletti94 added bug Something isn't working fuzzer A bug found by the fuzzer labels Oct 19, 2026

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LGTM!

cc @alamb

@LucaCappelletti94
LucaCappelletti94 added this pull request to the merge queue Oct 19, 2026
Merged via the queue into apache:main with commit 9168946 Oct 19, 2026
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@s5dsn-eqee
s5dsn-eqee deleted the clickhouse-dollar-identifier branch October 20, 2026 09:05
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3 participants