Created
May 25, 2019 06:49
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select age from users where age>30
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| def where: Parser[Where] = "where" ~> rep(predicate) ^^ (Where(_: _*)) | |
| def predicate = ( | |
| ident ~ "=" ~ wholeNumber ^^ { case f ~ "=" ~ i => NumberEquals(f, i.toInt) } | |
| | ident ~ "<" ~ wholeNumber ^^ { case f ~ "<" ~ i => LessThan(f, i.toInt) } | |
| | ident ~ ">" ~ wholeNumber ^^ { case f ~ ">" ~ i => GreaterThan(f, i.toInt) }) | |
| //output: GreaterThan("age", 30) |
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