[ https://issues.apache.org/jira/browse/DRILL-2221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Altekruse resolved DRILL-2221. ------------------------------------ Resolution: Fixed Fixed in ac823fe8bd9d6b778f37e32d95ab0d199f8ff551 > CTAS (JSON) creates unreadable files when writing empty arrays > -------------------------------------------------------------- > > Key: DRILL-2221 > URL: https://issues.apache.org/jira/browse/DRILL-2221 > Project: Apache Drill > Issue Type: Bug > Components: Storage - JSON > Reporter: Abhishek Girish > Assignee: Jason Altekruse > Priority: Critical > Fix For: 1.0.0 > > Attachments: DRILL-2221.1.patch.txt, drillbit_empty_array.log > > > Source JSON file: > { > "a": "A1", > "b": [ "B1", "B2" ], > "c": [ "C1", "C2" ] > } > { > "a": "A2", > "b": [ "B3" ], > "c": [] > } > > select * from `file.json` ; > +------------+------------+------------+ > | a | b | c | > +------------+------------+------------+ > | A1 | ["B1","B2"] | ["C1","C2"] | > | A2 | ["B3"] | [] | > +------------+------------+------------+ > 2 rows selected (0.039 seconds) > >alter session set `store.format` = 'json'; > > create table file_json as select * from `file.json` ; > [Success] > Created file contents: > { > "a" : "A1", > "b" : [ "B1", "B2" ], > "c" : [ "C1", "C2" ] > } { > "a" : "A2", > "b" : [ "B3" ], > "c" > } > This file cannot be read by Drill as the object "c" is not in key:value > format: > > select * from file_json ; > Query failed: Query stopped., Unexpected character ('}' (code 125)): was > expecting a colon to separate field name and value > at [Source: org.apache.drill.exec.vector.complex.fn.JsonReader@67b4040a; > line: 8, column: 2] [ 64bb2b5d-5d83-4ae3-a7dc-7a7e44b28bf5 on > abhi8.qa.lab:31010 ] > Error: exception while executing query: Failure while executing query. > (state=,code=0) > Log attached. -- This message was sent by Atlassian JIRA (v6.3.4#6332)