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Parser can not parse the correct code:{ 0 = 0and 1 = 1 } Problem with parsing?

Denis Komarov
Denis Komarov Member Posts: 50 Bronze Badge

The code below is compiled and executed in Oracle Database 18c (18.4), but the parser (Version 20.2.0.175) cannot parse it. Is this some kind of problem with parsing?

I guess the problem is with the lexical analyzer, which misidentifies 0an as a numeric literal.


select * from dual where 0 = 0and 1 = 1


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