public void addMetadata() {
        addMetadata(id, ColumnMetadata.named("id").withIndex(1).ofType(4).withSize(10).notNull());
        addMetadata(parameterId, ColumnMetadata.named("parameter_id").withIndex(2).ofType(-5).withSize(19));
    }
SFormula is a Querydsl query type for SFormula
querydsl-jpa/src/test/java/com/querydsl/jpa/domain/sql/SFormula.java