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Subject [GitHub] [incubator-hudi] bhasudha commented on issue #1325: presto - querying nested object in parquet file created by hudi
Date Thu, 20 Feb 2020 01:30:34 GMT
bhasudha commented on issue #1325: presto - querying nested object in parquet file created
by hudi
URL: https://github.com/apache/incubator-hudi/issues/1325#issuecomment-588563459
 
 
   @adamjoneill I found some related issues to querying nested parquet fields in Presto -
https://github.com/prestodb/presto/pull/10852, https://github.com/prestodb/presto/pull/9156,
https://github.com/prestodb/presto/pull/10849 . I am wondering if your use case might be one
of those backward compatibility cases. I am yet to reproduce this. Have you already looked
into these threads to see if there are any leads ? 
   
   My guess at the moment - there is some expectation with complex nested type schema that
Presto parquet reader expects that mismatches with the actual data. Need to dig this further
to check if its a bug or a schema issue. 

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