[ https://issues.apache.org/jira/browse/HIVE-22405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16980564#comment-16980564 ]
Owen O'Malley commented on HIVE-22405: -------------------------------------- Your conversion routine needs to use UTC. I've updated the patch at: https://github.com/omalley/hive/tree/hive-22405 > Add ColumnVector support for ProlepticCalendar > ---------------------------------------------- > > Key: HIVE-22405 > URL: https://issues.apache.org/jira/browse/HIVE-22405 > Project: Hive > Issue Type: Bug > Components: storage-api > Reporter: Owen O'Malley > Assignee: László Bodor > Priority: Major > Fix For: 4.0.0 > > Attachments: HIVE-22405.01.patch, HIVE-22405.02.patch, > HIVE-22405.03.patch > > > Hive recently moved its processing to the proleptic calendar, which has > created some issues for users who have dates before 1580 AD. > I'd propose extending the column vectors for times & dates to encode which > calendar they are using. > * create DateColumnVector that extends LongColumnVector > * add a method to change calendars to both DateColumnVector and > TimestampColumnVector. > {code} > /** > * Change the calendar to or from proleptic. If the new and old values of > the flag are the > * same, nothing is done. > * useProleptic - set the flag for the proleptic calendar > * updateData - change the data to match the new value of the flag. > */ > void changeCalendar(useProleptic: boolean, updateData: boolean); > /** > * Detect whether this data is using the proleptic calendar. > */ > boolean usingProlepticCalendar(); > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)