Versions Compared

Old Version 25

changes.mady.by.user Lefty Leverenz

Saved on

compared with

New Version 26

changes.mady.by.user Brock Noland

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

A complex object can be represented by a pair of !ObjectInspector and Java Object. The !ObjectInspector not only tells us the structure of the Object, but also gives us ways to access the internal fields inside the Object.

NOTE: Apache Hive recommends that custom ObjectInspectors created for use with custom Serdes have a no-argument constructor in addition to their normal constructors for serialization purposes. See HIVE-5380 for more details.

MetaStore

MetaStore contains metadata regarding tables, partitions and databases. This is used by Query Processor during plan generation.

...