Help Center> MapReduce Service> User Guide (Kuala Lumpur Region)> FAQs> MRS Overview> What Are the Differences Between Hive Versions?

Updated on 2022-12-14 GMT+08:00

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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

Previous topic: Does an MRS Cluster Support Hive on Spark?

Next topic: Which MRS Cluster Version Supports Hive Connection and User Synchronization?

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