maropu commented on a change in pull request #27920:
URL: https://github.com/apache/spark/pull/27920#discussion_r421157203
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File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -1814,7 +1814,7 @@ fragment LETTER
;
SIMPLE_COMMENT
- : '--' ~[\r\n]* '\r'? '\n'? -> channel(HIDDEN)
+ : '--' ('\\\n' | ~[\r\n])* '\r'? '\n'? -> channel(HIDDEN)
Review comment:
Ur, one more comment; could you add tests in
`sql-tests/inputs/comments.sql`, too?
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