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Maven Goal: Baseline

Baselines an existing database, excluding all migrations up to and including baselineVersion.



> mvn flyway:baseline


Parameter Required Default Description
url YES The jdbc url to use to connect to the database
driver NO Auto-detected based on url The fully qualified classname of the jdbc driver to use to connect to the database
serverId NO flyway-db The id of the server in the Maven settings.xml file to load the credentials from.

This is an alternative to passing the credentials in directly through properties.
user NO The user to use to connect to the database
password NO The password to use to connect to the database
connectRetries NO 0 The maximum number of retries when attempting to connect to the database. After each failed attempt, Flyway will wait 1 second before attempting to connect again, up to the maximum number of times specified by connectRetries.
initSql NO none The SQL statements to run to initialize a new database connection immediately after opening it.
schemas NO The default schema for the database connection The schemas managed by Flyway. These schema names are case-sensitive.


  • Flyway will automatically attempt to create all these schemas, unless the first one already exists.
  • The first schema in the list will be automatically set as the default one during the migration.
  • The first schema in the list will also be the one containing the schema history table.
  • The schemas will be cleaned in the order of this list.
  • If Flyway created them, the schemas themselves will as be dropped when cleaning.
table NO flyway_schema_history The name of Flyway's schema history table.
By default (single-schema mode) the schema history table is placed in the default schema for the connection provided by the datasource.
When the flyway.schemas property is set (multi-schema mode), the schema history table is placed in the first schema of the list.
callbacks NO Fully qualified class names of Callback implementations to use to hook into the Flyway lifecycle.
skipDefaultCallbacks NO false Whether default built-in callbacks (sql) should be skipped. If true, only custom callbacks are used.
baselineVersion NO 1 The version to tag an existing schema with when executing baseline
baselineDescription NO << Flyway Baseline >> The description to tag an existing schema with when executing baseline
skip NO false Skips the execution of the plugin for this module
configFiles NO Additional files from which to load the Flyway configuration. The names of the individual properties match the ones you would use as Maven or System properties. The encoding of the file must be the same as the encoding defined with the flyway.encoding property, which is UTF-8 by default. Relative paths are relative to `workingDirectory`.
workingDirectory NO project.basedir (where the POM resides) The working directory to consider when dealing with relative paths for both config files and locations.
licenseKey Flyway Pro NO none Your Flyway license key (FL01...). Not yet a Flyway Pro or Enterprise Edition customer? Request your Flyway trial license key to try out Flyway Pro and Enterprise Edition features free for 30 days.

Sample configuration

    <initSql>SET ROLE 'myuser'</initSql>
    <baselineDescription>Base Migration</baselineDescription>

Sample output

> mvn flyway:baseline

[INFO] [flyway:baseline {execution: default-cli}]
[INFO] Creating schema history table: "PUBLIC"."flyway_schema_history"
[INFO] Schema baselined with version: 1

Maven: repair