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https://issues.apache.org/jira/browse/CALCITE-3127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16863698#comment-16863698
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Julian Hyde commented on CALCITE-3127:
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I think this is a pointless command, as are ALTER VIEW in MySQL and SQL Server,
because it requires 'AS query'.
Why does Hive support ALTER VIEW? Only for compatibility with MySQL (see
HIVE-3834). Good grief.
Oracle's ALTER VIEW statement makes sense to me, because you can ADD, MODIFY,
DROP or COMPILE and you don't have to - in fact you cannot - re-specify 'AS
query'.
> Support ALTER VIEW Statement
> ----------------------------
>
> Key: CALCITE-3127
> URL: https://issues.apache.org/jira/browse/CALCITE-3127
> Project: Calcite
> Issue Type: Improvement
> Components: server
> Affects Versions: 1.19.0
> Reporter: pingle wang
> Priority: Major
> Labels: pull-request-available
> Fix For: next
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> support alter view statement :
> {code:java}
> ALTER VIEW name
> [ '(' columnName [, columnName ]* ')' ]
> AS query
> {code}
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