[jira] [Updated] (HIVE-14431) Recognize COALESCE as CASE and extend CASE simplification to cover more cases

2016-08-16 Thread Ashutosh Chauhan (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-14431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ashutosh Chauhan updated HIVE-14431:

Status: Patch Available  (was: Open)

> Recognize COALESCE as CASE and extend CASE simplification to cover more cases
> -
>
> Key: HIVE-14431
> URL: https://issues.apache.org/jira/browse/HIVE-14431
> Project: Hive
>  Issue Type: Improvement
>  Components: CBO
>Affects Versions: 2.2.0
>Reporter: Jesus Camacho Rodriguez
>Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-14431.01.patch, HIVE-14431.2.patch, HIVE-14431.patch
>
>
> Transform:
> {code}
> (COALESCE(a, '')  = '') OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> into:
> {code}
> (a='') OR
>(a is null) OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> With complex queries, this will lead us to factor more predicates that could 
> be pushed to the TS.



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[jira] [Updated] (HIVE-14431) Recognize COALESCE as CASE and extend CASE simplification to cover more cases

2016-08-16 Thread Ashutosh Chauhan (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-14431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ashutosh Chauhan updated HIVE-14431:

Attachment: HIVE-14431.2.patch

> Recognize COALESCE as CASE and extend CASE simplification to cover more cases
> -
>
> Key: HIVE-14431
> URL: https://issues.apache.org/jira/browse/HIVE-14431
> Project: Hive
>  Issue Type: Improvement
>  Components: CBO
>Affects Versions: 2.2.0
>Reporter: Jesus Camacho Rodriguez
>Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-14431.01.patch, HIVE-14431.2.patch, HIVE-14431.patch
>
>
> Transform:
> {code}
> (COALESCE(a, '')  = '') OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> into:
> {code}
> (a='') OR
>(a is null) OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> With complex queries, this will lead us to factor more predicates that could 
> be pushed to the TS.



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[jira] [Updated] (HIVE-14431) Recognize COALESCE as CASE and extend CASE simplification to cover more cases

2016-08-08 Thread Ashutosh Chauhan (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-14431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ashutosh Chauhan updated HIVE-14431:

Status: Open  (was: Patch Available)

Needs a rebase.

> Recognize COALESCE as CASE and extend CASE simplification to cover more cases
> -
>
> Key: HIVE-14431
> URL: https://issues.apache.org/jira/browse/HIVE-14431
> Project: Hive
>  Issue Type: Improvement
>  Components: CBO
>Affects Versions: 2.2.0
>Reporter: Jesus Camacho Rodriguez
>Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-14431.01.patch, HIVE-14431.patch
>
>
> Transform:
> {code}
> (COALESCE(a, '')  = '') OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> into:
> {code}
> (a='') OR
>(a is null) OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> With complex queries, this will lead us to factor more predicates that could 
> be pushed to the TS.



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[jira] [Updated] (HIVE-14431) Recognize COALESCE as CASE and extend CASE simplification to cover more cases

2016-08-05 Thread Jesus Camacho Rodriguez (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-14431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jesus Camacho Rodriguez updated HIVE-14431:
---
Attachment: HIVE-14431.01.patch

> Recognize COALESCE as CASE and extend CASE simplification to cover more cases
> -
>
> Key: HIVE-14431
> URL: https://issues.apache.org/jira/browse/HIVE-14431
> Project: Hive
>  Issue Type: Improvement
>  Components: CBO
>Affects Versions: 2.2.0
>Reporter: Jesus Camacho Rodriguez
>Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-14431.01.patch, HIVE-14431.patch
>
>
> Transform:
> {code}
> (COALESCE(a, '')  = '') OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> into:
> {code}
> (a='') OR
>(a is null) OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> With complex queries, this will lead us to factor more predicates that could 
> be pushed to the TS.



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[jira] [Updated] (HIVE-14431) Recognize COALESCE as CASE and extend CASE simplification to cover more cases

2016-08-04 Thread Jesus Camacho Rodriguez (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-14431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jesus Camacho Rodriguez updated HIVE-14431:
---
Attachment: HIVE-14431.patch

> Recognize COALESCE as CASE and extend CASE simplification to cover more cases
> -
>
> Key: HIVE-14431
> URL: https://issues.apache.org/jira/browse/HIVE-14431
> Project: Hive
>  Issue Type: Improvement
>  Components: CBO
>Affects Versions: 2.2.0
>Reporter: Jesus Camacho Rodriguez
>Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-14431.patch
>
>
> Transform:
> {code}
> (COALESCE(a, '')  = '') OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> into:
> {code}
> (a='') OR
>(a is null) OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> With complex queries, this will lead us to factor more predicates that could 
> be pushed to the TS.



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[jira] [Updated] (HIVE-14431) Recognize COALESCE as CASE and extend CASE simplification to cover more cases

2016-08-04 Thread Jesus Camacho Rodriguez (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-14431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jesus Camacho Rodriguez updated HIVE-14431:
---
Status: Patch Available  (was: In Progress)

> Recognize COALESCE as CASE and extend CASE simplification to cover more cases
> -
>
> Key: HIVE-14431
> URL: https://issues.apache.org/jira/browse/HIVE-14431
> Project: Hive
>  Issue Type: Improvement
>  Components: CBO
>Affects Versions: 2.2.0
>Reporter: Jesus Camacho Rodriguez
>Assignee: Jesus Camacho Rodriguez
>
> Transform:
> {code}
> (COALESCE(a, '')  = '') OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> into:
> {code}
> (a='') OR
>(a is null) OR
>(a = 'A' AND b = c)  OR
>(a = 'B' AND b = d) OR
>(a = 'C' AND b = e) OR
>(a = 'D' AND b = f) OR
>(a = 'E' AND b = g) OR
>(a = 'F' AND b = h)
> {code}
> With complex queries, this will lead us to factor more predicates that could 
> be pushed to the TS.



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