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From "Jagruti Varia (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-12012) select query on json table with map type column fails
Date Thu, 01 Oct 2015 23:15:26 GMT
Jagruti Varia created HIVE-12012:
------------------------------------

             Summary: select query on json table with map type column fails
                 Key: HIVE-12012
                 URL: https://issues.apache.org/jira/browse/HIVE-12012
             Project: Hive
          Issue Type: Bug
            Reporter: Jagruti Varia
            Assignee: Jason Dere


select query on json table throws this error if table contains map type column:
{noformat}
Failed with exception java.io.IOException:org.apache.hadoop.hive.serde2.SerDeException: org.codehaus.jackson.JsonParseException:
Current token (FIELD_NAME) not numeric, can not use numeric value accessors
 at [Source: java.io.ByteArrayInputStream@295f79b; line: 1, column: 26]
{noformat}

steps to reproduce the issue:
{noformat}
hive> create table c_complex(a array<string>,b map<string,int>) row format
serde 'org.apache.hive.hcatalog.data.JsonSerDe';
OK
Time taken: 0.319 seconds
hive> insert into table c_complex select array('aaa'),map('aaa',1) from studenttab10k limit
2;
Query ID = hrt_qa_20150826183232_47deb33a-19c0-4d2b-a92f-726659eb9413
Total jobs = 1
Launching Job 1 out of 1


Status: Running (Executing on YARN cluster with App id application_1440603993714_0010)

--------------------------------------------------------------------------------
        VERTICES      STATUS  TOTAL  COMPLETED  RUNNING  PENDING  FAILED  KILLED
--------------------------------------------------------------------------------
Map 1 ..........   SUCCEEDED      1          1        0        0       0       0
Reducer 2 ......   SUCCEEDED      1          1        0        0       0       0
--------------------------------------------------------------------------------
VERTICES: 02/02  [==========================>>] 100%  ELAPSED TIME: 11.75 s    
--------------------------------------------------------------------------------
Loading data to table default.c_complex
Table default.c_complex stats: [numFiles=1, numRows=2, totalSize=56, rawDataSize=0]
OK
Time taken: 13.706 seconds
hive> select * from c_complex;
OK
Failed with exception java.io.IOException:org.apache.hadoop.hive.serde2.SerDeException: org.codehaus.jackson.JsonParseException:
Current token (FIELD_NAME) not numeric, can not use numeric value accessors
 at [Source: java.io.ByteArrayInputStream@295f79b; line: 1, column: 26]
Time taken: 0.115 seconds
hive> select count(*) from c_complex;
OK
2
Time taken: 0.205 seconds, Fetched: 1 row(s)
{noformat}



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