THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Here is a concrete example of the general case rewriting (optimizerts/queries/nested_loj4.aql).
Before plan:
distribute result [%0->$$13] -- |UNPARTITIONED|
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Here is a concrete example (optimizerts/queries/nested_loj2.aql). .
Before plan (nested_loj2):
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empty-tuple-source -- |UNPARTITIONED|
After plan:
distribute result [%0->$$17] -- |UNPARTITIONED|
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