alex kim created HIVE-5907:
------------------------------
Summary: after adding new column to hive partition table,the new
columns'value will be null be for reload all partitions
Key: HIVE-5907
URL: https://issues.apache.org/jira/browse/HIVE-5907
Project: Hive
Issue Type: Bug
Reporter: alex kim
Priority: Critical
when add new columns on external partition table ,query new column will get
NULL value
0: jdbc:hive2://localhost:10000> create external table
test_alex1_replacereloadpart (id string,myname string) partitioned by(dt
string);
No rows affected (0.395 seconds)
0: jdbc:hive2://localhost:10000> alter table test_alex1_replacereloadpart add
partition (dt='2013-11-28') location '2013-11-28';
No rows affected (0.339 seconds)
0: jdbc:hive2://localhost:10000> insert overwrite table
test_alex1_replacereloadpart partition(dt='2013-11-28') select id,myname from
test_alex1;
+-----+---------+
| id | myname |
+-----+---------+
+-----+---------+
No rows selected (24.073 seconds)
0: jdbc:hive2://localhost:10000> select * from test_alex1_replacereloadpart;
+-------------------------------------------------------------------+---------+-------------+
| id | myname |
dt |
+-------------------------------------------------------------------+---------+-------------+
| 20501B55B0C64273A5316C5078442569E425CC318ADC454CA163D72503489436 | 1 |
2013-11-28 |
| 20501B55B0C64273A5316C5078442569E3D87D24CA4E42D9A200E391417A7994 | 1 |
2013-11-28 |
| 20501B55B0C64273A5316C5078442569814086424B2942919C97DF1D2D2C1F55 | 1 |
2013-11-28 |
| 205018A818FB43A38CC29FF701E47D8B205018A818FB43A38CC29FF701E47D8B | 1 |
2013-11-28 |
| 205016D04EDA435CB578D059F931221EB9F06E42815243A486B611B96366DD01 | 1 |
2013-11-28 |
| 205016D04EDA435CB578D059F931221E205016D04EDA435CB578D059F931221E | 1 |
2013-11-28 |
| 20500D24895641DBBBDBE71640E57887EA06A0AEB4324117B8125FC815297B36 | 1 |
2013-11-28 |
| 205006E8A3EB4CA1997D947D89C5FD1B205006E8A3EB4CA1997D947D89C5FD1B | 1 |
2013-11-28 |
| 2050054E19B44C4D992D97C1661A26C32050054E19B44C4D992D97C1661A26C3 | 1 |
2013-11-28 |
| 204fa32a43ef4aefac3b391562c5a25b7149D57B47E74C6F8C22CC30292FADF1 | 1 |
2013-11-28 |
+-------------------------------------------------------------------+---------+-------------+
0: jdbc:hive2://localhost:10000> alter table test_alex1_replacereloadpart
replace columns (id string,myname string,bee string);
No rows affected (0.202 seconds)
i delete old data from hive partition dir ,and add new data into the same dir
0: jdbc:hive2://localhost:10000> select * from test_alex1_replacereloadpart;
+-------------------------------------------------------------------+---------+------+-------------+
| id | myname |
bee | dt |
+-------------------------------------------------------------------+---------+------+-------------+
| 20501B55B0C64273A5316C5078442569E425CC318ADC454CA163D72503489436 | 1 |
| 2013-11-28 |
| 20501B55B0C64273A5316C5078442569E3D87D24CA4E42D9A200E391417A7994 | 1 |
| 2013-11-28 |
| 20501B55B0C64273A5316C5078442569814086424B2942919C97DF1D2D2C1F55 | 1 |
| 2013-11-28 |
| 205018A818FB43A38CC29FF701E47D8B205018A818FB43A38CC29FF701E47D8B | 1 |
| 2013-11-28 |
| 205016D04EDA435CB578D059F931221EB9F06E42815243A486B611B96366DD01 | 1 |
| 2013-11-28 |
| 205016D04EDA435CB578D059F931221E205016D04EDA435CB578D059F931221E | 1 |
| 2013-11-28 |
| 20500D24895641DBBBDBE71640E57887EA06A0AEB4324117B8125FC815297B36 | 1 |
| 2013-11-28 |
| 205006E8A3EB4CA1997D947D89C5FD1B205006E8A3EB4CA1997D947D89C5FD1B | 1 |
| 2013-11-28 |
| 2050054E19B44C4D992D97C1661A26C32050054E19B44C4D992D97C1661A26C3 | 1 |
| 2013-11-28 |
| 204fa32a43ef4aefac3b391562c5a25b7149D57B47E74C6F8C22CC30292FADF1 | 1 |
| 2013-11-28 |
+-------------------------------------------------------------------+---------+------+-------------+
after reload the partition ,the new data appear
0: jdbc:hive2://localhost:10000> alter table test_alex1_replacereloadpart drop
partition (dt='2013-11-28');
No rows affected (0.286 seconds)
0: jdbc:hive2://localhost:10000> alter table test_alex1_replacereloadpart add
partition (dt='2013-11-28') location '2013-11-28';
No rows affected (0.551 seconds)
0: jdbc:hive2://localhost:10000> select * from test_alex1_replacereloadpart;
+-------------------------------------------------------------------+---------+------+-------------+
| id | myname |
bee | dt |
+-------------------------------------------------------------------+---------+------+-------------+
| 20501B55B0C64273A5316C5078442569E425CC318ADC454CA163D72503489436 | 1 |
10 | 2013-11-28 |
| 20501B55B0C64273A5316C5078442569E3D87D24CA4E42D9A200E391417A7994 | 1 |
9 | 2013-11-28 |
| 20501B55B0C64273A5316C5078442569814086424B2942919C97DF1D2D2C1F55 | 1 |
8 | 2013-11-28 |
| 205018A818FB43A38CC29FF701E47D8B205018A818FB43A38CC29FF701E47D8B | 1 |
7 | 2013-11-28 |
| 205016D04EDA435CB578D059F931221EB9F06E42815243A486B611B96366DD01 | 1 |
6 | 2013-11-28 |
| 205016D04EDA435CB578D059F931221E205016D04EDA435CB578D059F931221E | 1 |
5 | 2013-11-28 |
| 20500D24895641DBBBDBE71640E57887EA06A0AEB4324117B8125FC815297B36 | 1 |
4 | 2013-11-28 |
| 205006E8A3EB4CA1997D947D89C5FD1B205006E8A3EB4CA1997D947D89C5FD1B | 1 |
3 | 2013-11-28 |
| 2050054E19B44C4D992D97C1661A26C32050054E19B44C4D992D97C1661A26C3 | 1 |
2 | 2013-11-28 |
| 204fa32a43ef4aefac3b391562c5a25b7149D57B47E74C6F8C22CC30292FADF1 | 1 |
1 | 2013-11-28 |
+-------------------------------------------------------------------+---------+------+-------------+
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