rollback-one-changeset-sql
Note: This is a Liquibase Pro command, so you need a Liquibase Pro License Key to use it.
The rollback-one-changeset-sql command is a helper command that allows you to inspect the SQL Liquibase will run to revert the changeset specified in the rollback-one-changeset command. It is only available for Liquibase Pro users.
Uses
The rollback-one-changeset-sql command is typically used when you want inspect the raw SQL that Liquibase uses to revert your changeset when you run the rollback-one-changeset command, so that you don't unintentionally make a mistake.
Running the rollback-one-changeset-sql command
Before running the rollback-one-changeset-sql command, gather the following information from your DATABASECHANGELOG table or by running the history:
- The Author of the changeset you want to revert
- The changeset ID of the changeset you want to revert
- The file name (changeset path) of the changeset you want to revert
Then run the rollback-one-changeset-sql command, with your information:
liquibase --changelog-file=changelog.xml rollback-one-changeset-sql --changeSetAuthor="LiquibaseProUser" --changeSetId="createProc-proschema" --changeSetPath=changelog.xmlFor more command specific help, type liquibase rollback-one-changeset-sql --help into the command prompt.
rollback-one-changeset-sql global attributes
| Parameter | Definition | Requirement |
|---|---|---|
--changelog-file
|
The root changelog | Required |
--url
|
The JDBC database connection URL | Required |
--username
|
The database username | Required |
--password
|
The database password | Required |
--liquibaseProLicenseKey
|
Your Liquibase Pro license key | Required |
--output-file
|
The path to the file where the Rollback SQL will be written | Optional * |
Note: The username and password attributes are not required for connections and systems which use alternate means of authentication.
* If not specified, Rollback SQL output goes to STDOUT.
rollback-one-changeset-sql command attributes
| Parameter | Definition | Requirement |
|---|---|---|
--changeSetId
|
The changeset ID from the changelog. | Required |
--changeSetAuthor
|
The name of the author for the changeset. | Required |
--changeSetPath
|
The path to the changelog containing the changeset you want to roll back. | Required |
--rollbackScript
|
The path to the script to use to perform the rollback. | Optional ** |
** This option is only needed if the rollback is not already defined in the changelog, and if it is not a rollback that is automatically provided by Liquibase.
Output
When successful, the rollback-one-changeset-sql command produces the following output:
Liquibase Version: 4.9.1
Liquibase Pro 4.9.1 by Liquibase licensed to Liquibase Pro Evaluation until Tue Jun 07 18:00:00 MDT 2022
WARNING! Your license will expire in 29 days!
To renew Liquibase Pro please contact sales@liquibase.com or go to https://www.liquibase.org/download
rollback-one-changeset executed for DBUSER@jdbc:h2:tcp://localhost:9090/mem:dev
-- Lock Database
UPDATE PUBLIC.DATABASECHANGELOGLOCK SET LOCKED = TRUE, LOCKEDBY = 'DESKTOP-SQVSSV2 (192.168.1.179)', LOCKGRANTED = NOW() WHERE ID = 1 AND LOCKED = FALSE;
-- *********************************************************************
-- Rollback changeset 'example-changelog.sql::1::your.name'
-- *********************************************************************
-- Change Log: example-changelog.sql
-- Ran at: 5/10/22, 4:31 PM
-- Against: DBUSER@jdbc:h2:tcp://localhost:9090/mem:dev
-- Liquibase version: 4.9.1
-- *********************************************************************
-- Rolling Back ChangeSet: example-changelog.sql::1::your.name
DROP TABLE person;
DELETE FROM PUBLIC.DATABASECHANGELOG WHERE ID = '1' AND AUTHOR = 'your.name' AND FILENAME = 'example-changelog.sql';
-- Release Database Lock
UPDATE PUBLIC.DATABASECHANGELOGLOCK SET LOCKED = FALSE, LOCKEDBY = NULL, LOCKGRANTED = NULL WHERE ID = 1;
Liquibase command 'rollback-one-changeset-sql' was executed successfully.