[SPARK-19674][SQL] Ignore driver accumulator updates don't belong to … #17418
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[SPARK-19674][SQL] Ignore driver accumulator updates don't belong to the execution when merging all accumulator updates
N.B. This is a backport to branch-2.1 of #17009.
What changes were proposed in this pull request?
In SQLListener.getExecutionMetrics, driver accumulator updates don't belong to the execution should be ignored when merging all accumulator updates to prevent NoSuchElementException.
How was this patch tested?
Updated unit test.
Author: Carson Wang [email protected]