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From "Rajeshbabu Chintaguntla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-1115) Provide a SQL command to turn tracing on/off
Date Thu, 12 Feb 2015 22:58:13 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-1115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rajeshbabu Chintaguntla updated PHOENIX-1115:
---------------------------------------------
    Attachment: tracing_in_different_rdbms.pdf

[~jamestaylor] Here is simple doc how tracing used in different RDBMS. 
The visualizing tools will be super helpful. And also as [~jeffreyz] mentioned we can  provide
an option in connection where to print the trace information like console/file/none. By default
we can have NONE option so it will not be printed anywhere. If user want to see the trace
info session can be changed with different traceoutput option.
What do you say?

> Provide a SQL command to turn tracing on/off
> --------------------------------------------
>
>                 Key: PHOENIX-1115
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1115
>             Project: Phoenix
>          Issue Type: Sub-task
>    Affects Versions: 5.0.0, 4.1
>            Reporter: James Taylor
>            Assignee: Rajeshbabu Chintaguntla
>         Attachments: PHOENIX-1115.patch, PHOENIX-1115_v2.patch, Screen Shot 2014-11-21
at 3.41.41 PM.png, tracing_in_different_rdbms.pdf
>
>
> Provide a SQL command that turns tracing on and off. For example, Oracle has this:
> {code}
> ALTER SESSION SET sql_trace = true;
> ALTER SESSION SET sql_trace = false;
> {code}
> We might consider allowing the sampling rate to be set as well.



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