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Updated on 2025-03-17 GMT+08:00
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Are Hive Components of Different Versions Compatible with Each Other?

Hive 3.1 is incompatible with Hive 1.2 in the following items:

  • Strings cannot be converted to int in Hive 3.1.
  • The user-defined functions (UDFs) of the Date type are changed to Hive 3.1 built-in UDFs.
  • Hive 3.1 does not provide the index function anymore.
  • 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 Basics