blob: 25461d208dad735c6f4ff78a74d915d683ccc959 [file] [log] [blame]
set hive.support.quoted.identifiers=column;
set orc.force.positional.evolution=true;
set hive.vectorized.execution.enabled=false;
CREATE TABLE studenttab10k(
name string,
age int,
gpa double
)
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t'
STORED AS TEXTFILE;
LOAD DATA LOCAL INPATH '../../data/files/studenttab10k' OVERWRITE INTO TABLE studenttab10k;
create table temptable1(
`!@#$%^&*()_name` string,
age int,
gpa double
) stored as orc;
insert overwrite table temptable1 select * from studenttab10k;
alter table temptable1 change age `!@#$%^&*()_age` int;
alter table temptable1 change gpa `!@#$%^&*()_gpa` double;
select `!@#$%^&*()_age`, count(*) from temptable1 group by `!@#$%^&*()_age` order by `!@#$%^&*()_age`;
drop table temptable1;
set hive.vectorized.execution.enabled=true;
create table temptable1(
`!@#$%^&*()_name` string,
age int,
gpa double
) stored as orc;
insert overwrite table temptable1 select * from studenttab10k;
alter table temptable1 change age `!@#$%^&*()_age` int;
alter table temptable1 change gpa `!@#$%^&*()_gpa` double;
select `!@#$%^&*()_age`, count(*) from temptable1 group by `!@#$%^&*()_age` order by `!@#$%^&*()_age`;