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https://issues.apache.org/jira/browse/CALCITE-5687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17720183#comment-17720183
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yiku123 commented on CALCITE-5687:
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hi [~tjbanghart] ,i ready to submit a PR to resolve the issue。Tomorrow should
be able to provide a first version ，let's see whether it can solve you
problem。by th way, it is worrying that calcite's performance on web
application scence.
> 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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