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From "David Alves (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-4584) Add CQL syntax to enable request tracing
Date Wed, 19 Sep 2012 06:38:07 GMT


David Alves updated CASSANDRA-4584:

    Attachment: 4584.patch

patch that adds the keyword "trace" to cql3.

tracing is forced for a query when the keyword is prepended (e.g. "trace select * from "Standard1";)

the CqlResult from the query includes the session uuid so that clients may use it to query
the events/sessions tables

adds support for showing said uuid in cqlsh *but* couldn't figure out how to format it in
intelligible form (only gibberish is printed, uuid is returned as bytes, tried using the formatting
methods but ultimately gave up, need help).

also altered cassandra-dbapi2 so that cursor now includes the uuid from the reponse (submitted
patch in

> Add CQL syntax to enable request tracing
> ----------------------------------------
>                 Key: CASSANDRA-4584
>                 URL:
>             Project: Cassandra
>          Issue Type: Sub-task
>    Affects Versions: 1.2.0 beta 1
>            Reporter: Jonathan Ellis
>            Assignee: David Alves
>             Fix For: 1.2.0
>         Attachments: 4584.patch

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