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https://issues.apache.org/jira/browse/KYLIN-2789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhixiong Chen resolved KYLIN-2789.
----------------------------------
Resolution: Fixed
Fix Version/s: v2.2.0
> Cube's last build time is wrong
> -------------------------------
>
> Key: KYLIN-2789
> URL: https://issues.apache.org/jira/browse/KYLIN-2789
> Project: Kylin
> Issue Type: Bug
> Components: REST Service, Web
> Affects Versions: v1.6.0
> Reporter: Hongtao He
> Assignee: Zhixiong Chen
> Priority: Minor
> Labels: cube.last_build_time, cube.segments
> Fix For: v2.2.0
>
> Attachments: 0001-KYLIN-2789-jira-description.patch, KYLIN-2789.patch
>
>
> Firstly, we create a segment in a cube, then we can get the attributes of
> this segment，such as
> { "date_range_start " : 2017-08-02 00:00:00,
> "date_range_end" : 2017-08-03 00:00:00,
> "last_build_time": 2017-08-16 01:00:00
> }
> Secondly, we create another segment in this cube, which has an earlier data
> range，such as
> { "date_range_start " : 2017-08-01 00:00:00,
> "date_range_end" : 2017-08-02 00:00:00,
> "last_build_time": 2017-08-16 02:00:00
> }
> Under these circumstances, the Cube's last creation time should be 2017-08-16
> 02:00:00, not 2017-08-16 01:00:00.However, we get the opposite answer in
> kylin 1.6.0.
> the realization of cube's last build time is :
> if(cube.name){
> if (cube.segments && cube.segments.length > 0) {
> for(var i= cube.segments.length-1;i>=0;i--){
> if(cube.segments[i].status==="READY"){
> cube.last_build_time =
> cube.segments[i].last_build_time;
> break;
> }else if(i===0){
> cube.last_build_time = undefined;
> }
> }
> } else {
> cube.last_build_time = undefined;
> }
> }
> (the code is in kylin/webapp/app/js/model/cubeListModel.js)
> The last build time may come from any segment，I changed the code to the
> following:
> if(cube.name){
> cube.last_build_time = undefined;
> if (cube.segments && cube.segments.length > 0) {
> for(var i= cube.segments.length-1;i>=0;i--){
> if(cube.segments[i].status==="READY"){
> if(cube.last_build_time===undefined ||
> cube.last_build_time<cube.segments[i].last_build_time)
>
> cube.last_build_time =
> cube.segments[i].last_build_time;
> }
> }
> }
> }
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