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Benjamin Lerer commented on CASSANDRA-15303:
--------------------------------------------
The fix looks good. I just believe that we should fix the {{AlterTest}} test to
not use prepared statements for schema changes by default. I pushed a patch for
that
[here|https://github.com/apache/cassandra/commit/56c1b0538e344f030cec622f05b9bb220d93ef9f].
[~jasonstack] If my change looks good to you, I think we should push it at the
same time as your fix.
> drop column statement should not initialize timestamp because of statement
> cache
> --------------------------------------------------------------------------------
>
> Key: CASSANDRA-15303
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15303
> Project: Cassandra
> Issue Type: Bug
> Components: CQL/Interpreter
> Reporter: ZhaoYang
> Assignee: ZhaoYang
> Priority: Normal
> Fix For: 4.x
>
>
> When executing drop-column query without timestamp,
> {{AlterTableStatement#Raw}} initializes a default timestamp and then the
> prepared statement is cached. The same timestamp will be reused for the same
> drop-column query. (related to CASSANDRA-13426)
>
> The fix is to use NULL timestamp to indicate: using statement execution time
> instead.
>
> patch:
> [https://github.com/jasonstack/cassandra/commits/fix-drop-column-timestamp]
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