[s5dsn-eqee]

Found with #2646.

SELECT $a$ x failed with Unterminated dollar-quoted, expected $. ClickHouse reads $a$ as a heredoc only when a matching closing $a$ follows; otherwise the tag is a bare word (Lexer.cpp, "start of heredoc"). Not in the syntax
docs.

Dialects: ClickHouse

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.21%. Comparing base (8a176d9) to head (f4af460).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2894   +/-   ##
=======================================
  Coverage   83.20%   83.21%           
=======================================
  Files          42       42           
  Lines       36471    36487   +16     
  Branches    36471    36487   +16     
=======================================
+ Hits        30345    30361   +16     
  Misses       2632     2632           
  Partials     3494     3494           

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[LucaCappelletti94]

Will be merging this one now, thanks @s5dsn-eqee

cc @alamb