[HIVE-18140] Partitioned tables statistics can go wrong in basic stats mixed case - ASF JIRA

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Type: Sub-task
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: None
Component/s: None
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Description

suppose the following scenario:

part1 has basic stats RC=10,DS=1K
all other partition has no basic stats (and a bunch of rows)

then this condition would be false; which in turn produces estimations for the whole partitioned table: RC=10,DS=1K

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HIVE-18140.01.patch
21/Mar/18 17:33
736 kB
Zoltan Haindrich
HIVE-18140.01-branch-3.patch
28/Jun/18 16:34
679 kB
Zoltan Haindrich
HIVE-18140.01wip01.patch
23/Nov/17 12:48
32 kB
Zoltan Haindrich
HIVE-18140.01wip03.patch
07/Mar/18 15:14
39 kB
Zoltan Haindrich
HIVE-18140.01wip04.patch
19/Mar/18 14:09
96 kB
Zoltan Haindrich
HIVE-18140.02.patch
15/Jun/18 12:20
668 kB
Zoltan Haindrich
HIVE-18140.02wip01.patch
29/May/18 16:11
641 kB
Zoltan Haindrich
HIVE-18140.03.patch
18/Jun/18 10:56
668 kB
Zoltan Haindrich
HIVE-18140.04.patch
26/Jun/18 23:56
678 kB
Zoltan Haindrich
HIVE-18140.04.patch
26/Jun/18 10:31
678 kB
Zoltan Haindrich
HIVE-18140.05.patch
27/Jun/18 16:11
678 kB
Zoltan Haindrich
HIVE-19140.02wip02.patch
31/May/18 07:05
641 kB
Zoltan Haindrich
HIVE-19727.02wip03.patch
04/Jun/18 05:44
668 kB
Zoltan Haindrich

Issue Links

is blocked by

HIVE-18108 in case basic stats are missing; rowcount estimation depends on the selected columns size

Resolved

Activity

People

Assignee:: Zoltan Haindrich

Reporter:: Zoltan Haindrich

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Dates

Created:: 23/Nov/17 11:44

Updated:: 29/Jun/18 13:01

Resolved:: 29/Jun/18 13:00