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title, language
title language
RECOVER en

RECOVER

Description

This statement is used to restore previously deleted databases, tables, or partitions Grammar: 1)24674;"22797database; RECOVER DATABASE db_name; 2) 恢复 table RECOVER TABLE [db_name.]table_name; 3)24674;"22797partition RECOVER PARTITION partition name FROM [dbu name.]table name;

Explain:

  1. This operation can only recover the meta-information deleted in the previous period of time. The default is 1 day.(You can configure it with the catalog_trash_expire_second parameter in fe.conf)
  2. If new meta-information of the same name and type is created after deleting meta-information, the previously deleted meta-information cannot be restored.

example

  1. Restore the database named example_db RECOVER DATABASE example_db;

  2. Restore table named example_tbl RECOVER TABLE example_db.example_tbl;

  3. Restore partition named P1 in example_tbl RECOVER PARTITION p1 FROM example_tbl;

keyword

RECOVER