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Impala has problems reading complex types from Parquet

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Rising Star

Hi all,

 

I reported IMPALA-4725  last week but it seems like it has not been triaged yet. I wanted to bring some more attention to this issue (and possible suggestions for workarounds) since it has a heavy impact on us.

 

To summarize it seems like Impala mixes-up values in arrays of structs which to me seems like a fundamental problem in the parquet reader. Alternatively the values gets mixed-up when presented as a result.

 

Either way, I would very much appreciated an initiated persons view on this issue.

 

We are running Impala that is bundled with CDH 5.8.3

 

Br,

Petter

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Rising Star

Hi Tim,

 

thank you for taking the time to look at this issue!

 

Br,

Petter