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https://issues.apache.org/jira/browse/CALCITE-3380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16941197#comment-16941197
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Julian Hyde commented on CALCITE-3380:
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I don't think we need to implement the {{Expressions.power}} method. linq4j is
tied to the java language. There is no power operator in java, therefore people
should not be using the {{Expressions.power}} function, but instead make a
method call.
Rather than {code}Expressions.power(a, b){code} use
{code}Expressions.call(null, Math.class.getMethod("power"), a, b){code} Then I
think the evaluator will be able to evaluate it without any extra work.
> implement power method in Expressions.
> --------------------------------------
>
> Key: CALCITE-3380
> URL: https://issues.apache.org/jira/browse/CALCITE-3380
> Project: Calcite
> Issue Type: Wish
> Reporter: xzh_dz
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> implement power method in Expressions.
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