Issue Description

While using model.bulkCreate, as we pass the options, an object which contains transaction, it comes modified after the execution

What are you doing?

We have called bulk

#2549 introduced the allow_columns_to_appear_in_same_group_by_clause! macro that allows you to use more than one column in your group by clause. It opted not to generate a call to this macro for all columns in the schema via diesel print-schema due to compile time concerns.
I would like to see some experimentation and some concert numbers for the actual compile time impact of this. As I thi

Problem

There are some servers like fastify that allow to define json schemas in order to provide better performance and input / output data validation. Right now I am using prisma with fastify and have to manually define such schemas. Most of these, however, would

go-pg doesn't follow any fixed constraint name conventions.

type TestAccess struct {
	Id        string   `pg:"type:uuid,default:uuid_generate_v4()" json:"id"`
	BatchId   string   `pg:"type:uuid,on_delete:CASCADE,unique:batch_id_test_id" json:"batch_id,omitempty"`
	Batch     *Batch   `json:"batch,omitempty"`
	StudentId string   `pg:"type:uuid,on_delete:CASCADE" json:"student_id,omitempt

what is prefer way to add relation and remove relation? I found example as below, but I did't find any document about the two methods.

 case 'ADD_AUTHOR_TO_BOOK':
        Book.withId(action.payload.bookId).authors.add(action.payload.author);  // add new entity ,  add relation?  this doesn't work.
        break;
    case 'REMOVE_AUTHOR_FROM_BOOK':
        Book.withId(action.payload.bo