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https://issues.apache.org/jira/browse/OPTIQ-306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14040005#comment-14040005
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Julian Hyde commented on OPTIQ-306:
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we should re-organize imports at the same time that we re-org package structure
> Standardize code style for "import package.*;"
> ----------------------------------------------
>
> Key: OPTIQ-306
> URL: https://issues.apache.org/jira/browse/OPTIQ-306
> Project: optiq
> Issue Type: Improvement
> Reporter: Julian Hyde
> Priority: Trivial
>
> Our house style does not specify whether/when imports are to be converted to
> stars. I propose that imports should be converted to stars if there are more
> than 3 from the same package. Thus:
> {code}
> import a.b.C1;
> import a.b.C2;
> import a.b.C3;
> {code}
> becomes
> {code}
> import a.b.*;
> {code}
> when {{a.b.C4}} is added. This is consistent with IntelliJ's default rule.
> It is OK to use stars if there are 3 or fewer uses. Thus removing the use of
> {{a.b.C2}} would not require imports to be changed.
> Checkstyle has a rule to ban star imports (excluding certain packages) but
> does not allow them to be limited to a particular number.
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