Tyler Hobbs created CASSANDRA-7600:
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Summary: Schema change notifications sent for no-op DDL statements
Key: CASSANDRA-7600
URL: https://issues.apache.org/jira/browse/CASSANDRA-7600
Project: Cassandra
Issue Type: Bug
Components: Core
Reporter: Tyler Hobbs
Assignee: Tyler Hobbs
Fix For: 2.1.1
When schema changes are made with {{IF \[NOT\] EXISTS}} conditions, we return
schema change messages (and push out schema change notifications) even if the
{{IF \[NOT\] EXISTS}} condition makes it a no-op.
This results in extra work for native protocol drivers, which typically wait
for schema agreement and refresh their schema metadata when schema changes
occur.
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