load will core dump when there is hll column in table

[kangpinghuang]

Describe the bug

table:
create table test_query_qa.test(k1 tinyint, k2 smallint, k3 int, k4 bigint, k5 decimal(9,3), k6 char(5), k10 date, k11 datetime, k7 varchar(20), k8 double max, k9 float sum) engine=olap distributed by hash(k1) buckets 5 properties("storage_type"="column")

load:
curl --location-trusted -u root: -T ./data/init/hdfs/data/qe/xaaa http://host:port/api/test_query_qa/test/_stream_load?label=table5_20170709

use asan to compile the BE, It will lead to core dump

[kangpinghuang]

the reason of the bug is the row cursor is inited with tablet schema, not the returned columns. Fixed by #830