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Bill Wailliam commented on HIVE-12067: -------------------------------------- Yes, it is better not to use special characters to be serialized, but modify LazySimpleSerDe encoding/decoding may affect the data now > ORC read nullString(eg: \N) columns, can't return NULL > ------------------------------------------------------ > > Key: HIVE-12067 > URL: https://issues.apache.org/jira/browse/HIVE-12067 > Project: Hive > Issue Type: Bug > Affects Versions: 1.2.1 > Reporter: Bill Wailliam > Assignee: Ashutosh Chauhan > > Text format: > SQL:create table test_input as select '\\N' from table; > hive> select * from test_input limit 3; > OK > NULL > NULL > NULL > =============== > ORC format: > set hive.default.fileformat=Orc; > create table test_orc_input as select '\\N' from table; > hive> select * from test_orc_input limit 3; > OK > \N > \N > \N -- This message was sent by Atlassian JIRA (v6.3.4#6332)