package liquibase.statement; /** * The SqlStatement classes correspond to (roughly) a single SQL statement. SqlStatement instances are created by Change classes, * and by Liquibase itself as the primary database-independent abstraction of statments to execute against a database. * <p> * A single SqlStatement may yield multiple SQL commands, and may yield a different number of SQL commands depending on the database. * If a particular statement. The SqlStatement implementations do not actually generate SQL strings, that is left to the SqlGenerator implementations. * Instead, the purpose of the SqlStatement implementation is to hold the metadata required to generate the correct SQL for a particular database at a later time. * * @see liquibase.change.Change * @see liquibase.sqlgenerator.SqlGenerator * @see liquibase.sqlgenerator.SqlGeneratorFactory */ public interface SqlStatement { boolean skipOnUnsupported(); }