Ramakrishna S created CARBONDATA-3036:
-----------------------------------------
Summary: Carbon 1.5.0 B010 - Select query fails when min/max
exceeds and index tree cached
Key: CARBONDATA-3036
URL: https://issues.apache.org/jira/browse/CARBONDATA-3036
Project: CarbonData
Issue Type: Bug
Components: data-query
Affects Versions: 1.5.0
Environment: 17 node cluster
0: jdbc:hive2://192.168.137.14:22550/default> show segments for table
jinling_localsort_3;
+--------------------+----------+--------------------------+--------------------------+------------+--------------+------------+-------------+--+
| SegmentSequenceId | Status | Load Start Time | Load End Time
| Merged To | File Format | Data Size | Index Size |
+--------------------+----------+--------------------------+--------------------------+------------+--------------+------------+-------------+--+
| 8 | Success | 2018-10-17 08:30:23.103 | 2018-10-17
08:30:28.476 | NA | COLUMNAR_V3 | 185.68MB | 243.36KB |
| 7 | Success | 2018-10-17 08:30:16.359 | 2018-10-17
08:30:21.667 | NA | COLUMNAR_V3 | 185.68MB | 243.36KB |
| 6 | Success | 2018-10-17 08:30:09.439 | 2018-10-17
08:30:14.97 | NA | COLUMNAR_V3 | 185.68MB | 243.36KB |
| 5 | Success | 2018-10-17 08:30:02.688 | 2018-10-17
08:30:08.036 | NA | COLUMNAR_V3 | 186.02MB | 243.35KB |
| 4 | Success | 2018-10-17 08:27:09.09 | 2018-10-17
08:27:14.553 | NA | COLUMNAR_V3 | 186.34MB | 243.35KB |
| 3 | Success | 2018-10-17 08:27:00.659 | 2018-10-17
08:27:06.096 | NA | COLUMNAR_V3 | 185.68MB | 243.36KB |
| 2 | Success | 2018-10-17 08:26:52.047 | 2018-10-17
08:26:57.47 | NA | COLUMNAR_V3 | 186.02MB | 243.35KB |
| 1 | Success | 2018-10-17 08:26:43.462 | 2018-10-17
08:26:48.899 | NA | COLUMNAR_V3 | 186.34MB | 243.35KB |
| 0 | Success | 2018-10-17 08:20:46.654 | 2018-10-17
08:20:52.681 | NA | COLUMNAR_V3 | 186.02MB | 243.35KB |
Reporter: Ramakrishna S
If configured cache columns and min, max present flag columns is different*, it
is possible to get wrong data* due to wrong index is mapped.
results inconsistent when cache is set but min/max exceeds. Column is
dictionary excluded.
set carbon.minmax.allowed.byte.count=50;
0: jdbc:hive2://192.168.137.14:22550/default> use db01;
+---------+--+
| Result |
+---------+--+
+---------+--+
No rows selected (0.06 seconds)
0: jdbc:hive2://192.168.137.14:22550/default> show tables;
+-----------+----------------------+--------------+--+
| database | tableName | isTemporary |
+-----------+----------------------+--------------+--+
| db01 | jinling_localsort_3 | false |
+-----------+----------------------+--------------+--+
1 row selected (0.068 seconds)
0: jdbc:hive2://192.168.137.14:22550/default> alter table jinling_localsort_3
set TBLPROPERTIES('COLUMN_META_CACHE'='user_imsi,user_num,dim24');
+---------+--+
| Result |
+---------+--+
+---------+--+
No rows selected (3.495 seconds)
0: jdbc:hive2://192.168.137.14:22550/default> select count(*) from
jinling_localsort_3;
+-----------+--+
| count(1) |
+-----------+--+
| 9000000 |
+-----------+--+
1 row selected (2.606 seconds)
0: jdbc:hive2://192.168.137.14:22550/default> select dim24 from
jinling_localsort_3 limit 2;
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
| dim24 |
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
| E6Phek Hobbit from the Shire and eight companions set out on a journey to
destroy the powerful One Ring and save Middle-earth from the Dark Lord
Sauron.AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA |
| Q4Plek Hobbit from the Shire and eight companions set out on a journey to
destroy the powerful One Ring and save Middle-earth from the Dark Lord
Sauron.AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA |
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
2 rows selected (457.462 seconds)
0: jdbc:hive2://192.168.137.14:22550/default> select count(*) from
jinling_localsort_3 where dim24 = 'E6Phek Hobbit from the Shire and eight
companions set out on a journey to destroy the powerful One Ring and save
Middle-earth from the Dark Lord
Sauron.AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA';
+-----------+--+
| count(1) |
+-----------+--+
| 0 |
+-----------+--+
1 row selected (0.871 seconds)
0: jdbc:hive2://192.168.137.14:22550/default> alter table jinling_localsort_3
set TBLPROPERTIES('COLUMN_META_CACHE'='user_imsi,user_num');
+---------+--+
| Result |
+---------+--+
+---------+--+
No rows selected (3.798 seconds)
0: jdbc:hive2://192.168.137.14:22550/default> select count(*) from
jinling_localsort_3;
+-----------+--+
| count(1) |
+-----------+--+
| 9000000 |
+-----------+--+
1 row selected (4.162 seconds)
0: jdbc:hive2://192.168.137.14:22550/default> select count(*) from
jinling_localsort_3 where dim24 = 'E6Phek Hobbit from the Shire and eight
companions set out on a journey to destroy the powerful One Ring and save
Middle-earth from the Dark Lord
Sauron.AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA';
+-----------+--+
| count(1) |
+-----------+--+
| 90 |
+-----------+--+
1 row selected (4.515 seconds)
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