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PostgreSQL 7.1.3 Documentation
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REINDEX

Name

REINDEX -- Recover corrupted system indexes under stand-alone Postgres

Synopsis

REINDEX { TABLE | DATABASE | INDEX } name [ FORCE ]

Inputs

TABLE: Recreate all indexes of a specified table.
DATABASE: Recreate all system indexes of a specified database.
INDEX: Recreate a specified index.
name: The name of the specific table/database/index to be be reindexed.
FORCE: Recreate indexes forcedly. Without this keyword REINDEX does nothing unless target indexes are invalidated.

Outputs

REINDEX: Message returned if the table is successfully reindexed.

Description

REINDEX is used to recover corrupted system indexes. In order to run REINDEX command, postmaster must be shut down and stand-alone Postgres should be started instead with options -O and -P (an option to ignore system indexes). Note that we couldn't rely on system indexes for the recovery of system indexes.

Usage

Recreate the table mytable:

     REINDEX TABLE mytable;

Some more examples:

REINDEX DATABASE my_database FORCE;
REINDEX INDEX my_index;

Compatibility

SQL92

There is no REINDEX in SQL92.

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