424b0075a1
Spark SQL does not support timezone, and Pyrolite does not support timezone well. This patch will convert datetime into POSIX timestamp (without confusing of timezone), which is used by SQL. If the datetime object does not have timezone, it's treated as local time. The timezone in RDD will be lost after one round trip, all the datetime from SQL will be local time. Because of Pyrolite, datetime from SQL only has precision as 1 millisecond. This PR also drop the timezone in date, convert it to number of days since epoch (used in SQL). Author: Davies Liu <davies@databricks.com> Closes #6250 from davies/tzone and squashes the following commits: 44d8497 [Davies Liu] add timezone support for DateType 99d9d9c [Davies Liu] use int for timestamp 10aa7ca [Davies Liu] Merge branch 'master' of github.com:apache/spark into tzone 6a29aa4 [Davies Liu] support datetime with timezone |
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