[HIVE-4494] ORC map columns get class cast exception in some context

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.11.0
• Assignee: Owen O'Malley Assign to me
• Reporter: Owen O'Malley
• Created: 03/May/13 21:14
• Updated: 16/May/13 21:10
• Resolved: 08/May/13 21:10

Description

Setting up the test case like:

create table map_text (
name string,
m map<string,string>
) row format delimited
fields terminated by '|'
collection items terminated by ','
map keys terminated by ':';

create table map_orc (
name string,
m map<string,string>
) stored as orc;

cat map.txt
name1|key11:value11,key12:value12,key13:value13
name2|key21:value21,key22:value22,key23:value23
name3|key31:value31,key32:value32,key33:value33

load data local inpath 'map.txt' into table map_text;

insert overwrite table map_orc select * from map_text;