![]() The version of the XSD can be set to either "latest" to match your current version of Liquibase, or "latest" can be replaced with a specific version, like. Note: The XML schema for the changelog tag is available at. If all preconditions are met, Liquibase will begin running Changelog Formats and include tags in the order they appear in the changelog file. For example, you can specify the DBMS to be run against the changelog or the user you should log in to run changes. Preconditions can be typically used for both documenting and enforcing expectations or assumptions. If any of the preconditions fail, Liquibase exits with an error message explaining what failed. The migrator first checks any preconditions specified. When the Liquibase migrator runs, it parses the changelog tag. Note: For more information, see Contexts. Note: For more information, see Changelog Formats.Īdditional files containing changeset s to execute.Ĭontext to be appended to changesets. Note: For more information, see Substituting Properties in Changelogs. Note: For more information, see Preconditions. It is typically used for doing a data sanity check before doing something unrecoverable such as a dropTable. Must be passed before the changeset is run. Preconditions required to execute the changelog. QUOTE_ONLY_RESERVED_WORDS – The same logic as LEGACY, but without mixed-case objects in PostgreSQL databases.QUOTE_ALL_OBJECTS – Every object gets quoted.In PostgreSQL databases, mixed-case names will also be quoted. Does not quote objects unless the database specifies that they must be quoted, usually including reserved words and names with hyphens. It is required when you want to move or rename changelogs.Ĭontrols how object names are quoted in the SQL files generated by Liquibase and used in calls to the database. Overrides the file name and path when creating the unique identifier of changesets. Liquibase uses this changelog record to audit your database and execute any changes that are not yet applied to your database.Ĭhangelogs can be of one of the following formats and can be stored and versioned in your source control tool: It is a file that contains a record of all your database changes ( changesets). Liquibase uses a changelog to sequentially list all changes made to your database. The root of all Liquibase changes is the changelog file. ![]()
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