public void addMetadata() {
        addMetadata(companyId, ColumnMetadata.named("company_id").withIndex(5).ofType(4).withSize(10));
        addMetadata(firstName, ColumnMetadata.named("firstName").withIndex(2).ofType(12).withSize(255));
        addMetadata(id, ColumnMetadata.named("id").withIndex(1).ofType(-5).withSize(19).notNull());
        addMetadata(lastName, ColumnMetadata.named("lastName").withIndex(3).ofType(12).withSize(255));
        addMetadata(userName, ColumnMetadata.named("userName").withIndex(4).ofType(12).withSize(255));
    }
SUser is a Querydsl query type for SUser
querydsl-jpa/src/test/java/com/querydsl/jpa/domain/sql/SUser.java