Add setScriptPlan() method to PigProgressNotificationListener
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Key: PIG-2528
URL: https://issues.apache.org/jira/browse/PIG-2528
Project: Pig
Issue Type: Improvement
Reporter: Dmitriy V. Ryaboy
Assignee: Dmitriy V. Ryaboy
For the purposes of tracing usage and statistics of Pig scripts, I'd like to be
able to correlate the information PPNL can now collect with the script that was
actually running. Currently, a script id gets passed into every PPNL call, but
it's just a UUID, so one can't compare it to other executions of the same
script.
It seems to me like most of what I need would be taken care of by adding a
setScriptPlan(String lp) method to the PPNL interface, and calling it from
ScriptState's setScriptFeatures(LogicalPlan lp). My PPNL could then walk the
plan and come up with some representation that would be reusable between
different runs of the same script.
This would be a backwards incompatible change, as it requires adding a method
to an interface. PPNL is labeled as evolving, and I don't believe that it's
widely used at the moment.
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