package liquibase.sqlgenerator.core;
import liquibase.database.Database;
import liquibase.database.core.H2Database;
import liquibase.exception.DatabaseException;
import liquibase.exception.UnexpectedLiquibaseException;
import liquibase.exception.ValidationErrors;
import liquibase.sql.Sql;
import liquibase.sql.UnparsedSql;
import liquibase.sqlgenerator.SqlGenerator;
import liquibase.sqlgenerator.SqlGeneratorChain;
import liquibase.statement.core.SelectSequencesStatement;
public class SelectSequencesGeneratorH2 extends AbstractSqlGenerator<SelectSequencesStatement> {
@Override
public int getPriority() {
return PRIORITY_DATABASE;
}
@Override
public boolean supports(SelectSequencesStatement statement, Database database) {
return database instanceof H2Database;
}
public ValidationErrors validate(SelectSequencesStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain) {
return new ValidationErrors();
}
public Sql[] generateSql(SelectSequencesStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain) {
try {
return new Sql[] {
new UnparsedSql("SELECT SEQUENCE_NAME FROM INFORMATION_SCHEMA.SEQUENCES WHERE SEQUENCE_SCHEMA = '" + database.convertRequestedSchemaToSchema(statement.getSchemaName()) + "' AND IS_GENERATED=FALSE")
};
} catch (DatabaseException e) {
throw new UnexpectedLiquibaseException(e);
}
}
}