[HIVE-19770] Support for CBO for queries with multiple same columns in select - ASF JIRA

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Details

Type: Improvement
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 4.0.0-alpha-1
Component/s: None
Labels:
None

Target Version/s:

4.0.0

Description

Currently queries such as

 select a,a from t1 where b > 10

are not supported for CBO.

Attachments

Attachments

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HIVE-19770.1.patch
01/Jun/18 23:03
337 kB
Vineet Garg
HIVE-19770.2.patch
11/Jun/18 22:38
376 kB
Vineet Garg
HIVE-19770.3.patch
15/Jun/18 04:59
396 kB
Vineet Garg
HIVE-19770.4.patch
18/Jun/18 02:07
448 kB
Vineet Garg
HIVE-19770.5.patch
19/Jul/18 23:17
449 kB
Vineet Garg
HIVE-19770.6.patch
20/Jul/18 20:39
402 kB
Vineet Garg
HIVE-19770.7.patch
27/Jul/18 23:13
400 kB
Vineet Garg
HIVE-19770.8.patch
29/Jul/18 17:15
402 kB
Vineet Garg

Issue Links

is related to

HIVE-20215 Hive unable to plan/compile query containing subquery with multiple same name columns

Resolved

HIVE-20265 PTF operator has an extra reducer in CBO

Open

HIVE-20266 Extra column is being shuffled in cbo as compared to non-cbo

Open

relates to

HIVE-27726 No lineage for constant literals

Open

links to

Activity

People

Assignee:: Vineet Garg

Reporter:: Vineet Garg

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 01/Jun/18 23:02

Updated:: 25/Sep/23 07:51

Resolved:: 29/Jul/18 19:22