JiajunBernoulli commented on code in PR #3399:
URL: https://github.com/apache/calcite/pull/3399#discussion_r1328690643
##########
core/src/main/codegen/templates/Parser.jj:
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@@ -1988,8 +1988,8 @@ SqlLiteral JoinType() :
}
{
(
- LOOKAHEAD(3) // required for "LEFT SEMI JOIN" in Babel
Review Comment:
You can execute `javacc core/build/fmpp/fmppMain/javacc/Parser.jj`.
The result should be
```
$ javacc core/build/fmpp/fmppMain/javacc/Parser.jj
Java Compiler Compiler Version 7.0.9 (Parser Generator)
(type "javacc" with no arguments for help)
Reading from file core/build/fmpp/fmppMain/javacc/Parser.jj . . .
Note: UNICODE_INPUT option is specified. Please make sure you create the
parser/lexer using a Reader with the correct character encoding.
File "TokenMgrError.java" does not exist. Will create one.
File "ParseException.java" does not exist. Will create one.
File "Token.java" does not exist. Will create one.
File "SimpleCharStream.java" does not exist. Will create one.
Parser generated successfully.
```
If you find warning, you should solve it.
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