[GitHub] [incubator-superset] khtruong commented on issue #7843: Quick fix for Presto queries stuck in infinite loop

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khtruong commented on issue #7843: Quick fix for Presto queries stuck in infinite loop
URL: https://github.com/apache/incubator-superset/pull/7843#issuecomment-510222103
 
 
   As we discussed briefly, the root issue is that datum/data does not have the array columns which is what causes the infinite loop to occur. I think the true fix will lie in the function `_process_array_data`. In there, the code takes the original rows of data we get back. It inserts additional rows to expand the array data. These expanded rows will have the full set of expanded columns while the original rows may not. I think the fix would be to modify the original rows to also include all the expanded columns.

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