vpruthi/doc-exports
1
0
Fork 0
forked from docs/doc-exports
Code Pull Requests Activity
doc-exports/docs/mrs/umn/mrs_03_1081.html
Yang, Tong 3b1f73dece MRS UMN 2.0.38.SP20 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Yang, Tong <yangtong2@huawei.com>
Co-committed-by: Yang, Tong <yangtong2@huawei.com>
2022-12-13 12:03:34 +00:00

1.3 KiB
Raw Permalink Blame History

What Are the Differences Between Hive Versions?

Hive 3.1 has the following differences when compared with Hive 1.2:

  • String cannot be converted to int.
  • The user-defined functions (UDFs) of the Date type are changed to Hive built-in UDFs.
  • Hive 3.1 does not provide the index function anymore.
  • Hive 3.1 uses the UTC time in time functions, while Hive 1.2 uses the local time zone.
  • The JDBC drivers in Hive 3.1 and Hive 1.2 are incompatible.
  • In Hive 3.1, column names in ORC files are case-sensitive and underscores-sensitive.
  • Hive 3.1 does not allow columns named time.
Parent topic: MRS Overview