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Warning:
As of May 12, 2021, CockroachDB v19.2 is no longer supported. For more details, refer to 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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