[LucaCappelletti94]

GRANT bypasser TO anon failed with Expected: a privilege keyword, found: bypasser in every dialect, since GRANT only knew the privilege form. PostgreSQL grants membership in a role by naming the role without a keyword (GRANT).

The statement now parses into a new Statement::GrantRole, as the membership form shares neither the objects nor WITH GRANT OPTION with Grant. The privilege form is still tried first, and the role form takes over only when it fails on a role list followed by TO, so existing statements and their errors are unchanged. The WITH options and the matching REVOKE follow in separate PRs.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 94.11765% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.37%. Comparing base (4c82c3a) to head (e3845d7).

Files with missing lines	Patch %	Lines
src/parser/mod.rs	94.28%	0 Missing and 2 partials ⚠️
src/ast/spans.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2732      +/-   ##
==========================================
+ Coverage   82.34%   82.37%   +0.02%     
==========================================
  Files          42       42              
  Lines       35263    35313      +50     
  Branches    35263    35313      +50     
==========================================
+ Hits        29039    29089      +50     
- Misses       2677     2678       +1     
+ Partials     3547     3546       -1     

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