THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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- expression (STAR | DIV | MOD) expression
- 示例：a*b → MultiplicationExpression, a/b → DivisionExpression, a%3 a%3 → ModuloExpression
- expression (PLUS | MINUS) expression
- 示例：a+b → AdditionExpression, a-bb → SubtractionExpression
FunctionExpression
- suffixPath LR_BRACKET expression (COMMA expression)* functionAttribute* RR_BRACKET
- 示例： udf(a, b), count(a)
MinusExpression
- MINUS expression
- 示例： -a
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