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Posted to commits@cassandra.apache.org by "Stefan Miklosovic (Jira)" <ji...@apache.org> on 2024/05/10 10:35:00 UTC
[jira] [Updated] (CASSANDRA-19556) Add Guardrail to block DDL/DCL queries and replace alter_table_enabled guardrail
[ https://issues.apache.org/jira/browse/CASSANDRA-19556?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stefan Miklosovic updated CASSANDRA-19556:
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Summary: Add Guardrail to block DDL/DCL queries and replace alter_table_enabled guardrail (was: Guardrail to block DDL/DCL queries)
> Add Guardrail to block DDL/DCL queries and replace alter_table_enabled guardrail
> --------------------------------------------------------------------------------
>
> Key: CASSANDRA-19556
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19556
> Project: Cassandra
> Issue Type: New Feature
> Components: Feature/Guardrails
> Reporter: Yuqi Yan
> Assignee: Yuqi Yan
> Priority: Normal
> Fix For: 5.0-rc, 5.x
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Sometimes we want to block DDL/DCL queries to stop new schemas being created or roles created. (e.g. when doing live-upgrade)
> For DDL guardrail current implementation won't block the query if it's no-op (e.g. CREATE TABLE...IF NOT EXISTS, but table already exists, etc. The guardrail check is added in apply() right after all the existence check)
> I don't have preference on either block every DDL query or check whether if it's no-op here. Just we have some users always run CREATE..IF NOT EXISTS.. at startup, which is no-op but will be blocked by this guardrail and failed to start.
>
> 4.1 PR: [https://github.com/apache/cassandra/pull/3248]
> trunk PR: [https://github.com/apache/cassandra/pull/3275]
>
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