[jira] [Updated] (SPARK-14321) Reduce date format cost in date functions

2016-05-24 Thread Reynold Xin (JIRA) 

 [ 
https://issues.apache.org/jira/browse/SPARK-14321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Reynold Xin updated SPARK-14321:

Target Version/s: 2.0.0

> Reduce date format cost in date functions
> -
>
> Key: SPARK-14321
> URL: https://issues.apache.org/jira/browse/SPARK-14321
> Project: Spark
>  Issue Type: Bug
>Reporter: Rajesh Balamohan
>Priority: Minor
>
> Currently the code generated is
> {noformat}
> /* 066 */ UTF8String primitive5 = null;
> /* 067 */ if (!isNull4) {
> /* 068 */   try {
> /* 069 */ primitive5 = UTF8String.fromString(new 
> java.text.SimpleDateFormat("-MM-dd HH:mm:ss").format(
> /* 070 */ new java.util.Date(primitive7 * 1000L)));
> /* 071 */   } catch (java.lang.Throwable e) {
> /* 072 */ isNull4 = true;
> /* 073 */   }
> /* 074 */ }
> {noformat}
> Instantiation of SimpleDateFormat is fairly expensive. It can be created on 
> need basis. 
> I will share the patch soon.



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[jira] [Updated] (SPARK-14321) Reduce date format cost in date functions

2016-04-03 Thread Rajesh Balamohan (JIRA) 

 [ 
https://issues.apache.org/jira/browse/SPARK-14321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Rajesh Balamohan updated SPARK-14321:
-
Summary: Reduce date format cost in date functions  (was: Reduce date 
format cost and string-to-date cost in date functions)

> Reduce date format cost in date functions
> -
>
> Key: SPARK-14321
> URL: https://issues.apache.org/jira/browse/SPARK-14321
> Project: Spark
>  Issue Type: Bug
>Reporter: Rajesh Balamohan
>Priority: Minor
>
> Currently the code generated is
> {noformat}
> /* 066 */ UTF8String primitive5 = null;
> /* 067 */ if (!isNull4) {
> /* 068 */   try {
> /* 069 */ primitive5 = UTF8String.fromString(new 
> java.text.SimpleDateFormat("-MM-dd HH:mm:ss").format(
> /* 070 */ new java.util.Date(primitive7 * 1000L)));
> /* 071 */   } catch (java.lang.Throwable e) {
> /* 072 */ isNull4 = true;
> /* 073 */   }
> /* 074 */ }
> {noformat}
> Instantiation of SimpleDateFormat is fairly expensive. It can be created on 
> need basis. 
> I will share the patch soon.



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