[jira] [Created] (CARBONDATA-3036) Carbon 1.5.0 B010 - Select query fails when min/max exceeds and index tree cached

[Akash R Nilugal (Jira)]

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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