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https://issues.apache.org/jira/browse/CALCITE-7342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18048324#comment-18048324
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Silun Dong commented on CALCITE-7342:
-------------------------------------
For quidem test, this pr only needs to distinguish between new and old
decorrelators in the {{!plan}} part (if the plans are different), which I think
is already great.
> Quidem test support for TopDownGeneralDecorrelator
> --------------------------------------------------
>
> Key: CALCITE-7342
> URL: https://issues.apache.org/jira/browse/CALCITE-7342
> Project: Calcite
> Issue Type: New Feature
> Components: core
> Affects Versions: 1.41.0
> Reporter: Zhen Chen
> Assignee: Zhen Chen
> Priority: Minor
> Labels: pull-request-available
>
> We recently merged the new TopDownGeneralDecorrelator (CALCITE-7031).
> Currently, configuration has only been added to RelOptFixture, but end-to-end
> testing of Calcite cannot be performed using the new Decorrelator. To perform
> end-to-end testing, we might need a configuration to enable the new
> Decorrelator (it's disabled by default). This is necessary to advance the
> further development and validation of the new Decorrelator, such as
> implementing MARK JOIN in CALCITE-7315 in the future, or assuming the new
> Decorrelator can truly become a production-ready option for users. All of
> this requires thorough testing, so this Jira implementation aims to provide a
> quidem test example that supports the new Decorrelator to support future
> development. However, this will introduce a configuration parameter to enable
> the new Decorrelator, which may remain for a considerable period until the
> new Decorrelator reaches production-ready status.
> The current Jira idea is to provide a dedicated decorrelate.iq file to
> support continuous iteration.
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