rollbackFutureDatabase Task

Outputs SQL for changes that have not yet been executed.

rollbackFutureDatabase task examples

<liquibase:rollbackFutureDatabase  changelogfile="/path/to/changelog.xml">  
    <liquibase:database  driver="${db.driver}"  url="${db.url}"  user="${db.user}"  password="${db.password}"/>  
</liquibase:rollbackFutureDatabase>

A basic example of rollback future task.

<liquibase:rollbackFutureDatabase  outputfile="/path/to/rollback-future.sql"  changelogfile="/path/to/changelog.xml">  
    <liquibase:database  driver="${dv.driver}"  url="${db.url}"  user="${db.user}"  password="${db.password}"/>  
</liquibase:rollbackFutureDatabase>

Write the rollback future SQL to the output file.

Parameters

Attribute Description Required
changeLogFile The changelog file to run. Yes
contexts A comma separated list of Contexts to execute. If not specified, all contexts are run. No
outputFile If specified, Liquibase will save the update SQL statements to the specified file rather than executing them in the database. No
outputEncoding The character encoding to use when writing SQL statements to output file. No; defaults to system encoding.
promptOnNonLocalDatabase If set to true a dialog box with warn you if you attempt to run the Liquibase against a database that is not on localhost. No; default is false.
classpathref A reference to the classpath used to run the task with. No
databaseref A reference to the database that Liquibase will connect to. Yes, unless a nested <database> element is present.
driver Deprecated: Name of the database driver to connect with. No
url Deprecated: Use <database>'s url attribute instead. The database URL. No
username Deprecated:The database username to connect with. No
password Deprecated:The password to use when connecting to the database. No
defaultSchemaName Deprecated:Schema to use by default for managed database objects and Liquibase control tables. No
currentDateTimeFunction Deprecated: Overrides current date time function used in SQL. Useful for unsupported databases. No
databaseChangeLogTableName Deprecated: Overrides the name of the DATABASECHANGELOG table to use. No
databaseChangeLogLockTableName Deprecated: Overrides the name of the DATABASECHANGELOGLOCKtable to use. No
logLevel Deprecated: Specifies one of the following logging levels: debug, info, warning, severe, off. The default level is info. No

Parameters specified as nested elements

classpath

The classpath used to run the task with. Optional.

database

Required unless a databaseref attribute is given. See database data type.

changelogparameters

Optional. See changelog Parameters