Frédéric TERRAZZONI created HIVE-8359:
-----------------------------------------
Summary: Map containing null values are not correctly written in
Parquet files
Key: HIVE-8359
URL: https://issues.apache.org/jira/browse/HIVE-8359
Project: Hive
Issue Type: Bug
Affects Versions: 0.13.1
Reporter: Frédéric TERRAZZONI
Tried write a map<string,string> column in a Parquet file. The table should
contain :
{code}
{"key3":"val3","key4":null}
{"key3":"val3","key4":null}
{"key1":null,"key2":"val2"}
{"key3":"val3","key4":null}
{"key3":"val3","key4":null}
{code}
... and when you do a query like {code}SELECT * from mytable{code}
We can see that the table is corrupted :
{code}
{"key3":"val3"}
{"key4":"val3"}
{"key3":"val2"}
{"key4":"val3"}
{"key1":"val3"}
{code}
I've not been able to read the Parquet file in our software afterwards, and
consequently I suspect it to be corrupted.
For those who are interested, I generated this Parquet table from an Avro file.
Don't know how to attach it here though ... :)
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
