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https://issues.apache.org/jira/browse/CASSANDRA-4584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13460652#comment-13460652
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Jonathan Ellis commented on CASSANDRA-4584:
-------------------------------------------
PostgreSQL added EXPLAIN to their SQL dialect. Their solutions are
# not allowing EXPLAINing a PREPARE, although EXPLAINing a PREPAREd query is
okay
# hijacking the query's resultset for EXPLAIN's
I think Sylvain is right that moving TRACE into the protocol is a better
solution.
For the purposes of beta2, let's add a TRACE cqlsh command, specific to cqlsh,
similar to how COPY is cqlsh-only. We can stick with thrift for now. Created
CASSANDRA-4699 to add it to the binary protocol.
> Add CQL syntax to enable request tracing
> ----------------------------------------
>
> Key: CASSANDRA-4584
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4584
> Project: Cassandra
> Issue Type: Sub-task
> Affects Versions: 1.2.0 beta 1
> Reporter: Jonathan Ellis
> Assignee: David Alves
> Labels: cql3
> Fix For: 1.2.0 beta 2
>
> Attachments: 4584.patch, 4584.patch, 4584.patch, 4584.patch,
> 4584.patch
>
>
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