Vitalii Diravka created DRILL-4459:
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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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