flink-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9432) Support extract epoch, decade, millisecond, microsecond
Date Mon, 01 Oct 2018 14:14:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16634080#comment-16634080
] 

ASF GitHub Bot commented on FLINK-9432:
---------------------------------------

twalthr commented on a change in pull request #6614: [FLINK-9432] [table] Support extract
timeunit: DECADE, EPOCH, ISODOW, ISOYEAR…
URL: https://github.com/apache/flink/pull/6614#discussion_r221624182
 
 

 ##########
 File path: flink-libraries/flink-table/src/main/java/org/apache/calcite/avatica/util/DateTimeUtils.java
 ##########
 @@ -719,7 +724,13 @@ public static long timestampStringToUnixDate(String s) {
 	}
 
 	public static long unixDateExtract(TimeUnitRange range, long date) {
-		return julianExtract(range, (int) date + EPOCH_JULIAN);
+		switch (range) {
+			case EPOCH:
+				// no need to extract year/month/day, just multiply
+				return date * SECONDS_PER_DAY;
+			default:
+				return julianExtract(range, (int) date + EPOCH_JULIAN);
+		}
 	}
 
 	private static int julianExtract(TimeUnitRange range, int julian) {
 
 Review comment:
   This class should not be changed. It is copied from Calcite until a certain issue is fixed.
If we apply changes here, then just to update it to the latest Calcite code base.

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


> Support extract epoch, decade, millisecond, microsecond
> -------------------------------------------------------
>
>                 Key: FLINK-9432
>                 URL: https://issues.apache.org/jira/browse/FLINK-9432
>             Project: Flink
>          Issue Type: New Feature
>            Reporter: Sergey Nuyanzin
>            Assignee: Sergey Nuyanzin
>            Priority: Major
>              Labels: pull-request-available
>
> The task is to separate activity from depending on https://issues.apache.org/jira/browse/CALCITE-2303
from all others that could be done without upgrade avatica/calcite in  https://issues.apache.org/jira/browse/FLINK-8518
> Now the implementations of next functions are blocked
> {code:sql}
> extract(decade from ...)
> extract(epoch from ...)
> extract(millisecond from ...)
> extract(microsecond from ...)
> extract(isodow from ...)
> extract(isoyear from ...)
> {code}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

Mime
View raw message