[jira] [Resolved] (KYLIN-2575) Experimental feature: Computed Column
[ https://issues.apache.org/jira/browse/KYLIN-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shaofeng SHI resolved KYLIN-2575. - Resolution: Fixed > Experimental feature: Computed Column > - > > Key: KYLIN-2575 > URL: https://issues.apache.org/jira/browse/KYLIN-2575 > Project: Kylin > Issue Type: New Feature >Reporter: hongbin ma >Assignee: hongbin ma > Fix For: v2.1.0 > > > Computed column is a virtual column that is calculated from an expression of > existing columns. For example, TAX is computed from PRICE * TAX_RATE; TX_YEAR > is from EXTRACT(year from TX_DATE). > Currently user have to create a view to enrich these computed columns, then > feed the view to cube. This has two inconvenience: > Create a view is not easy. > The query has to be rewritten to use view instead of the original table. > Let Kylin directly support computed column will be a big step forward. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Resolved] (KYLIN-2575) Experimental feature: Computed Column
[ https://issues.apache.org/jira/browse/KYLIN-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] hongbin ma resolved KYLIN-2575. --- Resolution: Fixed Fix Version/s: v2.1.0 > Experimental feature: Computed Column > - > > Key: KYLIN-2575 > URL: https://issues.apache.org/jira/browse/KYLIN-2575 > Project: Kylin > Issue Type: New Feature >Reporter: hongbin ma >Assignee: hongbin ma > Fix For: v2.1.0 > > > Computed column is a virtual column that is calculated from an expression of > existing columns. For example, TAX is computed from PRICE * TAX_RATE; TX_YEAR > is from EXTRACT(year from TX_DATE). > Currently user have to create a view to enrich these computed columns, then > feed the view to cube. This has two inconvenience: > Create a view is not easy. > The query has to be rewritten to use view instead of the original table. > Let Kylin/KAP directly support computed column will be a big step forward. -- This message was sent by Atlassian JIRA (v6.3.15#6346)
