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Cockroach Labs will stop providing Assistance Support for this version on May 12, 2021. Prior to that date, upgrade to a more recent version to continue receiving support. For more details, see the Release Support Policy.

The ALTER INDEX statement applies a schema change to an index. For information on using ALTER INDEX, see the pages for its relevant subcommands.

Note:

This statement performs a schema change. For more information about how online schema changes work in CockroachDB, see Online Schema Changes.

Subcommands

Subcommand Description
CONFIGURE ZONE Configure replication zones for an index.
PARTITION BY Partition, re-partition, or un-partition an index. (Enterprise-only).
RENAME Change the name of an index.
SPLIT AT Force a range split at the specified row in the index.
UNSPLIT AT New in v19.2: Remove a range split enforcement at a specified row in the index.

Viewing schema changes

This schema change statement is registered as a job. You can view long-running jobs with SHOW JOBS.



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