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https://issues.apache.org/jira/browse/CALCITE-5687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17720731#comment-17720731
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Julian Hyde commented on CALCITE-5687:
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This functionality will be useful. But much more useful if the PR contains a
good test case (so that other people can follow it to implement the same
functionality in their schema) and talks about whether it handles cache
invalidation or read-consistency.
> lazy get scheme
> ---------------
>
> Key: CALCITE-5687
> URL: https://issues.apache.org/jira/browse/CALCITE-5687
> Project: Calcite
> Issue Type: New Feature
> Components: core
> Affects Versions: 1.34.0
> Reporter: yiku123
> Assignee: yiku123
> Priority: Major
> Fix For: 1.35.0
>
>
> scence：now i use calcite on my web application
> use and problem ：when rewrite
> org.apache.calcite.schema.impl.AbstractSchema#getTableMap method ,i must to
> provide all table scheme informations,but i only want to provide scheme
> when my SQL actually use a table。because i don't want my application load
> many schemes event if not to use.
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