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https://issues.apache.org/jira/browse/CALCITE-3570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16988480#comment-16988480
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Jin Xing commented on CALCITE-3570:
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Can you explain in what scenario MutableSnapshot is needed ? Since it's not
supported in SubstitutionVisitor at this moment.
> Support MutableSnapshot in MutableRel
> -------------------------------------
>
> Key: CALCITE-3570
> URL: https://issues.apache.org/jira/browse/CALCITE-3570
> Project: Calcite
> Issue Type: Wish
> Reporter: xzh_dz
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Support MutableSnapshot in MutableRel.This PR implements mutual conversion
> between mutablesnapshot and logicalsnapshot.
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