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From zentol <...@git.apache.org>
Subject [GitHub] incubator-flink pull request: Implement the convenience methods co...
Date Mon, 17 Nov 2014 19:43:34 GMT
Github user zentol commented on the pull request:

    Does this work when using `count()` or `collect()` multiple times in the same plan? 
    you use `this.getExecutionEnvironment().getIdString()` to identify the accumulators, and
as far as i see this value is the same for all operators in a plan. As such, multiple usages
of `count()` will return the sum count of all datasets, and collect() will throw an exception
since the same key is used when calling `getRuntimeContext().addAccumulator(id, accumulator)`

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