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• Default Value: rdbms
• Added In: Hive 0.7.0

Metadata store type.

datanucleus.

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fixedDatastore

• Default Value: true unless hive.metastore.schema.verification is true 
  • Hive 0.x : false
  • Hive 1.x : false
  • Hive 2.x : true (HIVE-1841)

Dictates whether to allow updates to schema or not.

datanucleus.autoCreateSchema

• Default Value: 
  • Hive 0.x : true
  • Hive 1.x : true
  • Hive 2.x : false (HIVE-1841)
  Added In: Hive 0.7.0

Creates necessary schema on a startup if one doesn't exist. Set this to false, after creating it once.

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hive.metastore.schema.verification

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• Added In: Hive 0.12.0 with with HIVE-3764
• Default Value: 
  • Hive 0.12 & later : false 
  • Hive 1.x : false
  • Hive 2.x : true (HIVE-12436)

Enforce metastore schema version consistency.
True: Verify that version information stored in metastore matches with one from Hive jars. Also disable automatic schema migration attempt (see datanucleus.autoCreateSchema). Users are required to manually migrate schema after Hive upgrade which ensures proper metastore schema migration.
False: Warn if the version information stored in metastore doesn't match with one from Hive jars.

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