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https://issues.apache.org/jira/browse/CASSANDRA-18760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Miklosovic updated CASSANDRA-18760:
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Fix Version/s: 3.0.30
3.11.16
4.0.12
(was: 3.0.x)
(was: 3.11.x)
(was: 5.x)
(was: 4.0.x)
(was: 4.1.x)
(was: 5.0.x)
Since Version: NA
Source Control Link:
https://github.com/apache/cassandra/commit/f0280fb6f863582125bfd16b8a90c345972c4a8c
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
backport to 3.0, 3.11 and 4.0
https://github.com/apache/cassandra/commit/f0280fb6f863582125bfd16b8a90c345972c4a8c
tests
https://github.com/apache/cassandra/commit/65a3d36eb9def5eb34bdb1fde1c452d365d45be8
note: do not remember to bump fix version of 3.11.16 to just released 3.11.17
> Need to block the ability to DROP table column of 'map' type and add back as
> 'blob' type
> ----------------------------------------------------------------------------------------
>
> Key: CASSANDRA-18760
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18760
> Project: Cassandra
> Issue Type: Bug
> Components: Cluster/Schema
> Reporter: Paul Ayers
> Assignee: Stefan Miklosovic
> Priority: Urgent
> Labels: 4.0.10
> Fix For: 3.0.30, 3.11.16, 4.0.12
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Recently hit an un-recoverable situation in Cassandra 4.0.10 after dropping a
> 'map' column and adding it back as a 'blob', which caused corruption that
> neither offline nor online scrub could fix.
> When dropping a 'blob' column and attempting to add it back as a 'map' type,
> the operation is blocked with:
> {code:java}
> InvalidRequest: Error from server: code=2200 [Invalid query] message="Cannot
> re-add previously dropped column 'col1' of type map<int, tinyint>,
> incompatible with previous type blob"
> {code}
> We need to do the same going from 'map' to 'blob' to avoid this potentially
> very bad scenario that can cause data loss.
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