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From "Alice Fan (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-16370) Avro data type null not supported on partitioned tables
Date Wed, 05 Sep 2018 05:39:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alice Fan reassigned HIVE-16370:
--------------------------------

    Assignee: Alice Fan

> Avro data type null not supported on partitioned tables
> -------------------------------------------------------
>
>                 Key: HIVE-16370
>                 URL: https://issues.apache.org/jira/browse/HIVE-16370
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 1.1.0, 2.1.1
>            Reporter: rui miranda
>            Assignee: Alice Fan
>            Priority: Minor
>
> I was attempting to create hive tables over some partitioned Avro files. It seems the
void data type (Avro null) is not supported on partitioned tables (i could not replicate the
bug on an un-partitioned table).
> ---------------
> i managed to replicate the bug on two different hive versions.
> Hive 1.1.0-cdh5.10.0
> Hive 2.1.1-amzn-0
> ----------------
> how to replicate (avro tools are required to create the avro files):
> $ wget http://mirror.serversupportforum.de/apache/avro/avro-1.8.1/java/avro-tools-1.8.1.jar
> $ mkdir /tmp/avro
> $ mkdir /tmp/avro/null
> $ echo "{ \
>   \"type\" : \"record\", \
>   \"name\" : \"null_failure\", \
>   \"namespace\" : \"org.apache.avro.null_failure\", \
>   \"doc\":\"the purpose of this schema is to replicate the hive avro null failure\",
\
>   \"fields\" : [{\"name\":\"one\", \"type\":\"null\",\"default\":null}] \
> } " > /tmp/avro/null/schema.avsc
> $ echo "{\"one\":null}" > /tmp/avro/null/data.json
> $ java -jar avro-tools-1.8.1.jar fromjson --schema-file /tmp/avro/null/schema.avsc /tmp/avro/null/data.json
> /tmp/avro/null/data.avro
> $ hdfs dfs -mkdir /tmp/avro
> $ hdfs dfs -mkdir /tmp/avro/null
> $ hdfs dfs -mkdir /tmp/avro/null/schema
> $ hdfs dfs -mkdir /tmp/avro/null/data
> $ hdfs dfs -mkdir /tmp/avro/null/data/foo=bar
> $ hdfs dfs -copyFromLocal /tmp/avro/null/schema.avsc /tmp/avro/null/schema/schema.avsc
> $ hdfs dfs -copyFromLocal /tmp/avro/null/data.avro /tmp/avro/null/data/foo=bar/data.avro
> $ hive 
> hive> CREATE EXTERNAL TABLE avro_null
> PARTITIONED BY (foo string)
>   ROW FORMAT SERDE
>   'org.apache.hadoop.hive.serde2.avro.AvroSerDe'
>   STORED as INPUTFORMAT
>   'org.apache.hadoop.hive.ql.io.avro.AvroContainerInputFormat'
>   OUTPUTFORMAT
>   'org.apache.hadoop.hive.ql.io.avro.AvroContainerOutputFormat'
> LOCATION
> '/tmp/avro/null/data/'
>   TBLPROPERTIES (
>     'avro.schema.url'='/tmp/avro/null/schema/schema.avsc')
> ;
> OK
> Time taken: 3.127 seconds
> hive> msck repair table avro_null;
> OK
> Partitions not in metastore:	avro_null:foo=bar
> Repair: Added partition to metastore avro_null:foo=bar
> Time taken: 0.712 seconds, Fetched: 2 row(s)
> hive> select * from avro_null;
> FAILED: RuntimeException org.apache.hadoop.hive.ql.metadata.HiveException: Failed with
exception Hive internal error inside isAssignableFromSettablePrimitiveOI void not supported
yet.java.lang.RuntimeException: Hive internal error inside isAssignableFromSettablePrimitiveOI
void not supported yet.
> hive> select foo, count(1)  from avro_null group by foo;
> OK
> bar	1
> Time taken: 29.806 seconds, Fetched: 1 row(s)



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