[HIVE-11775] Implement limit push down through union all in CBO - ASF JIRA

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Details

Type: New Feature
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: 1.2.1
Fix Version/s: 2.0.0
Component/s: None
Labels:
None

Description

Enlightened by ~~HIVE-11684~~ (Kudos to jcamachorodriguez), we can actually push limit down through union all, which reduces the intermediate number of rows in union branches.

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HIVE-11775.13.patch
18/Dec/15 19:32
63 kB
Pengcheng Xiong
HIVE-11775.12.patch
17/Dec/15 22:48
62 kB
Pengcheng Xiong
HIVE-11775.11.patch
17/Dec/15 22:08
62 kB
Pengcheng Xiong
HIVE-11775.10.patch
16/Dec/15 18:45
59 kB
Pengcheng Xiong
HIVE-11775.09.patch
16/Dec/15 05:54
90 kB
Pengcheng Xiong
HIVE-11775.08.patch
13/Dec/15 20:15
72 kB
Pengcheng Xiong
HIVE-11775.07.patch
13/Dec/15 01:47
100 kB
Pengcheng Xiong
HIVE-11775.06.patch
01/Dec/15 15:57
89 kB
Pengcheng Xiong
HIVE-11775.05.patch
27/Nov/15 02:49
70 kB
Pengcheng Xiong
HIVE-11775.04.patch
24/Nov/15 06:35
71 kB
Pengcheng Xiong
HIVE-11775.03.patch
23/Nov/15 05:51
71 kB
Pengcheng Xiong
HIVE-11775.02.patch
13/Nov/15 19:15
22 kB
Pengcheng Xiong
HIVE-11775.01.patch
10/Sep/15 00:16
6 kB
Pengcheng Xiong

Issue Links

relates to

CALCITE-831 Rules to push down limits

Open

HIVE-11684 Implement limit pushdown through outer join in CBO

Closed

links to

Activity

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Assignee:: Pengcheng Xiong

Reporter:: Pengcheng Xiong

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Dates

Created:: 10/Sep/15 00:14

Updated:: 02/Jun/16 10:17

Resolved:: 19/Dec/15 07:50