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Posted to issues@calcite.apache.org by "Danny Chen (Jira)" <ji...@apache.org> on 2021/03/12 03:54:00 UTC
[jira] [Commented] (CALCITE-4526) SqlSnapshot unparse lost the AS
keyword when the table has alias
[ https://issues.apache.org/jira/browse/CALCITE-4526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17300020#comment-17300020 ]
Danny Chen commented on CALCITE-4526:
-------------------------------------
Thanks for the reminder, Julian, force pushed via: https://github.com/apache/calcite/commit/39d477d96b90eca05e5af1cec0f8ae0617226b5d.
> SqlSnapshot unparse lost the AS keyword when the table has alias
> ----------------------------------------------------------------
>
> Key: CALCITE-4526
> URL: https://issues.apache.org/jira/browse/CALCITE-4526
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.26.0
> Reporter: jibiyr
> Assignee: jibiyr
> Priority: Blocker
> Labels: pull-request-available
> Fix For: next
>
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> hi,community. now calcite support SqlSnapshot.
> when a sql like _*SELECT orders.order_id, products.pro_id, products.product_name*_
> _*FROM default_catalog.default_database.orders AS orders*_
> _*LEFT JOIN default_catalog.default_database.products FOR SYSTEM_TIME AS OF orders.proctime AS products ON orders.product_id = products.pro_id .*_
>
> _*default_catalog.default_database.products FOR SYSTEM_TIME AS OF orders.proctime AS products*_ parse to SqlSnapshot .however, when unparse. it is _*default_catalog.default_database.products AS products FOR SYSTEM_TIME AS OF orders.proctime.*_ which can not be parsed again.
>
> if we should consider this condition.
> the same problem when I found in FLINK-19670.
>
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