diffDatabase Task

Outputs a diff report of the difference between two databases.

diffDatabase task examples

<liquibase:diffDatabase  output-file="/path/to/diff.txt">  
    <liquibase:database  driver="${db1.driver}"  url="${db1.url}"  user="${db1.user}"  password="${db1.password}"/>  
    <liquibase:referenceDatabase  driver="${db2.driver}"  url="${db2.jdbc.url}"  user="${db2.user}"  password="${db2.password}"/>  
</liquibase:diffDatabase>

A basic implementation for the diffDatabase task.

Parameters

Attribute Description Required
outputFile

Location of file to save report to.

Yes
outputEncoding

The character encoding to use when writing to output file.

No; defaults to system encoding.
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.
referencedatabaseref

A reference to the reference database that Liquibase will connect to.

Yes, unless a nested <referencedatabase> element is present.
difftypes

A comma separated list of diff types to use.

No
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.
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 DATABASECHANGELOGLOCK table to use.

No
referenceDriver

Deprecated: The name of the database driver to connect with.

No
referenceUrl

Deprecated: The base database URL.

No
referenceUsername

Deprecated: The base database username to connect with.

No
referencePassword

Deprecated: The base database password.

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

Attribute Description Required
classpath

The classpath used to run the task.

Optional
database

See database data type for more information.

Required unless a databaseref attribute is given.
referencedatabase

See database data type for more information.

Required unless a referencedatabaseref attribute is given.
changelogparameters

See Substituting Properties in Changelogs for more information.

Optional