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From "Vitalii Diravka (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-4459) SchemaChangeException while querying hive json table
Date Tue, 01 Mar 2016 14:38:18 GMT
Vitalii Diravka created DRILL-4459:
--------------------------------------

             Summary: SchemaChangeException while querying hive json table
                 Key: DRILL-4459
                 URL: https://issues.apache.org/jira/browse/DRILL-4459
             Project: Apache Drill
          Issue Type: Bug
          Components: Functions - Drill, Functions - Hive
    Affects Versions: 1.4.0
         Environment: MapR-Drill 1.4.0
Hive-1.2.0
            Reporter: Vitalii Diravka
            Assignee: Vitalii Diravka
             Fix For: 1.6.0


getting the SchemaChangeException while querying json documents stored in hive table.
{noformat}
Error: SYSTEM ERROR: SchemaChangeException: Failure while trying to materialize incoming schema.
 Errors:
 
Error in expression at index -1.  Error: Missing function implementation: [castBIT(VAR16CHAR-OPTIONAL)].
 Full expression: --UNKNOWN EXPRESSION--..
{noformat}
minimum reproduce
{noformat}
created sample json documents using the attached script(randomdata.sh)
hive>create table simplejson(json string);
hive>load data local inpath '/tmp/simple.json' into table simplejson;
now query it through Drill.
Drill Version
select * from sys.version;
+-----------+----------------+-------------+-------------+------------+
| commit_id | commit_message | commit_time | build_email | build_time |
+-----------+----------------+-------------+-------------+------------+
| eafe0a245a0d4c0234bfbead10c6b2d7c8ef413d | DRILL-3901:  Don't do early expansion of directory
in the non-metadata-cache case because it already happens during ParquetGroupScan's metadata
gathering operation. | 07.10.2015 @ 17:12:57 UTC | Unknown | 07.10.2015 @ 17:36:16 UTC |
+-----------+----------------+-------------+-------------+------------+

0: jdbc:drill:zk=> select * from hive.`default`.simplejson where GET_JSON_OBJECT(simplejson.json,
'$.DocId') = 'DocId2759947' limit 1;
Error: SYSTEM ERROR: SchemaChangeException: Failure while trying to materialize incoming schema.
 Errors:
 
Error in expression at index -1.  Error: Missing function implementation: [castBIT(VAR16CHAR-OPTIONAL)].
 Full expression: --UNKNOWN EXPRESSION--..

Fragment 1:1

[Error Id: 74f054a8-6f1d-4ddd-9064-3939fcc82647 on ip-10-0-0-233:31010] (state=,code=0)
{noformat}



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