Hello community,
I have a column in my hive table which datatype is boolean. when I tried to import data from csv , it stored as NULL.
this is my sample table :
CREATE tABLE if not exists Engineanalysis(
EngineModel String,
EnginePartNo String ,
Location String,
Position String,
InspectionReq boolean)
ROW FORMAT DELIMITED
FIELDS TERMINATED BY ','
LINES TERMINATED BY '\n';
My sample data :
AB01,AS01-IT01,AIRFRAME,,0
AB02,AS01-IT02,AIRFRAME,,1
AB03,AS01-IT03,AIRFRAME,,1
AB04,AS01-IT04,AIRFRAME,,1
AB05,AS01-IT05,HEAD,,1
AB06,AS01-IT06,HEAD,,0
AB07,AS01-IT07,HEAD,,0
AB08,AS01-IT08,HEAD,,0
AB09,AS01-IT09,NOSE,,1
AB10,AS01-IT10,NOSE,,0
Result :
AB01 AS01-IT01 AIRFRAME NULL
AB02 AS01-IT02 AIRFRAME NULL
AB03 AS01-IT03 AIRFRAME NULL
AB04 AS01-IT04 AIRFRAME NULL
AB05 AS01-IT05 HEAD NULL
AB06 AS01-IT06 HEAD NULL
AB07 AS01-IT07 HEAD NULL
AB08 AS01-IT08 HEAD NULL
AB09 AS01-IT09 NOSE NULL
AB10 AS01-IT10 NOSE NULL
when loading manually :
insert into Engineanalysis select 'AB11','AS01-IT11','AIRFRAME','',0;
Result:
AB11 AS01-IT11 AIRFRAME false
can someone explain why this dissimilarity?