[jira] [Created] (TINKERPOP-2856) math() step fails if variable name contains a keyword

["Kelvin Lawrence (Jira)" <ji...@apache.org>]

Kelvin Lawrence created TINKERPOP-2856:
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             Summary: math() step fails if variable name contains a keyword
                 Key: TINKERPOP-2856
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2856
             Project: TinkerPop
          Issue Type: Bug
          Components: process
         Environment: Any Gremlin version that has the math() step. Reproduced on 3.6.0
            Reporter: Kelvin Lawrence


As reported on [StackOverflow|https://stackoverflow.com/questions/74121856/gremlin-reserved-word-exp] if a variable used as part of the math() step contains a reserved word such as "exp" the evaluation of the expression fails. For example

{{}}
{code:java}
math('number1-expected_value').next(){code}
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results in

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{{}}
{code:java}

{code}
{{**GremlinServerError: 499: \{"detailedMessage":"Unknown function or variable 'cted_value' at pos 20 in expression 'number1 - expected_value'","requestId":"01e3f9e6-3cf2-4af0-bf94-5a4979d488b4","code":"InvalidParameterException"}**}}

{{{}I am able to reproduce this in the Gremlin Console using TinkerPop version 3.6.0 using:{}}}{{{}{}}}
{code:java}
gremlin> g.inject(1).as('expa').constant(2).as('c').math('c - expa')
Unknown function or variable 'a' at pos 7 in expression 'c - expa'
Type ':help' or ':h' for help.
Display stack trace? [yN]

gremlin> g.inject(1).as('a').constant(2).as('c').math('c - a')
==>1.0  {code}
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