Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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1.4.0
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None
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MapR-Drill 1.4.0
Hive-1.2.0
Description
getting the SchemaChangeException while querying json documents stored in hive table.
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--..
minimum reproduce
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)