Github user anubhav100 commented on the issue:
https://github.com/apache/carbondata/pull/897
@chenliang613 now i tested it manually as well with latest code can you
merge it here are logs to verify
INSIDE SPARK SHELL
scala> carbon.sql("create table floattest(name string,salary float) stored
by 'carbondata'")
scala> carbon.sql("""load data inpath
'hdfs://localhost:54310/floatypetest.csv' into table floattest""").show
scala> carbon.sql("""SELECT * FROM floattest""").show
+-------+-------+
| name| salary|
+-------+-------+
|ANUBHAV|20000.0|
| LIANG| 2.0E7|
+-------+-------+
INSIDE HIVE SHELL
hive> create table floattesthive(NAME string,salary float);
OK
Time taken: 0.283 seconds
hive> ALTER TABLE FLOATTESTHIVE SET FILEFORMAT
> INPUTFORMAT "org.apache.carbondata.hive.MapredCarbonInputFormat"
> OUTPUTFORMAT "org.apache.carbondata.hive.MapredCarbonOutputFormat"
> SERDE "org.apache.carbondata.hive.CarbonHiveSerDe";
OK
Time taken: 0.386 seconds
hive> ALTER TABLE floattesthive SET LOCATION
'hdfs://localhost:54310/opt/carbonStore/default/floattest' ;
OK
Time taken: 0.414 seconds
hive> select * from floattesthive;
OK
ANUBHAV 20000.0
LIANG 2.0E7
Time taken: 0.085 seconds, Fetched: 2 row(s)
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