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https://issues.apache.org/jira/browse/CALCITE-3127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16863305#comment-16863305
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Julian Hyde commented on CALCITE-3127:
--------------------------------------
How would this differ from {{CREATE OR REPLACE VIEW}}? I presume there is a DB
that has this syntax, and you are trying to emulate it. If so, which DB?
The philosophical difference between an ALTER statement and a CREATE OR REPLACE
statement is that ALTER specifies deltas - eg. alter table add one column -
where as a CREATE OR REPLACE statement repeats the entire definition. For
views, CREATE OR REPLACE seems more appropriate.
> 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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