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From "Manish Gupta (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CARBONDATA-900) Is null query on a newly added measure column is not returning proper results
Date Tue, 11 Apr 2017 11:37:41 GMT
Manish Gupta created CARBONDATA-900:
---------------------------------------

             Summary:  Is null query on a newly added measure column is not returning proper
results
                 Key: CARBONDATA-900
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-900
             Project: CarbonData
          Issue Type: Bug
            Reporter: Manish Gupta
            Assignee: Manish Gupta
            Priority: Minor
             Fix For: 1.1.0-incubating


When is null query is executed on newly added measure column, control goes to RowLevelFilterExecuterImpl
class, where measure existence is checked. In case the measure is not found, bitset group
is not getting populated with default values due to which that block is not returning any
result.
Below queries can be executed to reproduce the issue:

CREATE TABLE uniqdata110 (CUST_ID int,CUST_NAME String) STORED BY 'carbondata'
LOAD DATA INPATH '<csvfilePath>' into table uniqdata110 OPTIONS('BAD_RECORDS_LOGGER_ENABLE'='TRUE',
'BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME')
ALTER TABLE uniqdata110  ADD COLUMNS (a6 int)
LOAD DATA INPATH '<csvfilePath>' into table uniqdata110 OPTIONS('BAD_RECORDS_LOGGER_ENABLE'='TRUE',
'BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,a6')
select * from uniqdata110
select * from uniqdata110 where a6 is null

Data:
7,hello1
8,welcome1
bye,11




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