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https://issues.apache.org/jira/browse/PHOENIX-1115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14338956#comment-14338956
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James Taylor commented on PHOENIX-1115:
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Good points, [~samarthjain]. If TRACE ON is called when tracing is already on,
can we just return the trace ID of the currently open span (and not open a new
one)? Seems like we'll want to ensure that the span is closed when the
connection is closed, no?
> 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
> Reporter: James Taylor
> Assignee: Rajeshbabu Chintaguntla
> Fix For: 5.0.0
>
> Attachments: PHOENIX-1115.patch, PHOENIX-1115_v2.patch,
> PHOENIX-1115_v3.patch, PHOENIX-1115_v4.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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