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- Vectorization will be turned off for update operations. This is automatic and requires no action on the part of the user. Non-update operations are not affected. Updated tables can still be queried using vectorization.
- In version 0.14 it is recommended that you set hive.optimize.sort.dynamic.partition=false when doing updates, as this produces more efficient execution plans.
Delete
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DELETE is available starting in Hive 0.14. Deletes can only be performed on tables that support ACID. See Hive Transactions for details. |
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- Vectorization will be turned off for delete operations. This is automatic and requires no action on the part of the user. Non-delete operations are not affected. Tables with deleted data can still be queried using vectorization.
- In version 0.14 it is recommended that you set hive.optimize.sort.dynamic.partition=false when doing deletes, as this produces more efficient execution plans.