typeorm/typeorm

Sam Grönblom

@sgronblo

Seems like there are a lot of issues on GH related to migrations:generate

Is this channel kind of dead or?

Jemli Fathi

@jemliF

hello guys
I am facing a tough day due to FindConditions/FindManyOptions in Repository.find method.
most of the worst, I've got this error :

[Nest] 26433 - 2019-09-06 12:37:02 [ExceptionsHandler] Maximum call stack size exceeded +3373ms
RangeError: Maximum call stack size exceeded
at String.split (<anonymous>)
at Function.QueryBuilderUtils.isAliasProperty (/home/fethijemli/Documents/dev/node/nest/CIO-FORUM-BACKEND/src/query-builder/QueryBuilderUtils.ts:17:15)
at JoinAttribute.getValue (/home/fethijemli/Documents/dev/node/nest/CIO-FORUM-BACKEND/src/query-builder/JoinAttribute.ts:143:40)
at JoinAttribute.get [as relation] (/home/fethijemli/Documents/dev/node/nest/CIO-FORUM-BACKEND/src/query-builder/JoinAttribute.ts:162:53)
at JoinAttribute.get [as metadata] (/home/fethijemli/Documents/dev/node/nest/CIO-FORUM-BACKEND/src/query-builder/JoinAttribute.ts:175:18)
at SelectQueryBuilder.join (/home/fethijemli/Documents/dev/node/nest/CIO-FORUM-BACKEND/src/query-builder/SelectQueryBuilder.ts:1299:27)
at SelectQueryBuilder.leftJoin (/home/fethijemli/Documents/dev/node/nest/CIO-FORUM-BACKEND/src/query-builder/SelectQueryBuilder.ts:284:14)
at SelectQueryBuilder.leftJoinAndSelect (/home/fethijemli/Documents/dev/node/nest/CIO-FORUM-BACKEND/src/query-builder/SelectQueryBuilder.ts:364:14)
at /home/fethijemli/Documents/dev/node/nest/CIO-FORUM-BACKEND/src/find-options/FindOptionsUtils.ts:246:16
at Array.forEach (<anonymous>)

Salvatore Iovene

@siovene

Hello. I can't seem to inject anything in an EventSubscriber. Whatever I try to inject, is undefined. What might be wrong?

Salvatore Iovene

@siovene

Here is some of the relevant code: http://dpaste.com/335CT48

Deyve Vieira

@deyvedvm_twitter

Hi,

Can I use migrations with synchronized database is true?

Sam Grönblom

@sgronblo

Can you specify the order of columns in a composite primary key?

Sam Grönblom

@sgronblo

I think I am running into this bug: typeorm/typeorm#1668 which part of the code should I look at to see why the quotation is missing?

Christopher

@christopher-avila

Ey there! I have one question related with a best practice of adapting TypeORM to a microservice stack. I have several microservices developed in typescript, each one of them using typeGraphQL with different queries and mutation to different models. I'm wondering if there is a way to dynamically use TypeORM (i.e singleton pattern in an adapter common library) and define entities in a different place that the adapter is defined.

So a new microservice added should ask for the entities it needs. I've taken a look to the custom repositories and separate entity definition, but I need some light on this.

Thource

@Thource_gitlab

I've got 2 entities, Account and Item, after creating an Account, an Item needs to be created too. I'm thinking of doing this in AfterInsert, but if the Item creation fails, I want the Account to be deleted from the database, as if it were all in one transaction, anyone got any ideas?

Sam Grönblom

@sgronblo

Aren't you describing a simple transaction?

Jorgen V

@jvik

Can I ask for help here, or is this channel for development of TypeORM?

Sam Grönblom

@sgronblo

You can try both, no guarantees either will work :)

Saulo S. Toledo

@saulotoledo

Hi guys. I am using Webpack in a project with TypeORM and I am having an issue with RepositoryNotFoundError. The connection is created by an internal code I should not change, so I was trying to use ormconfig.js to solve the issue. Do you have a suggestion of an approach to make that work automatically? I already separated the bundles in Webpack, each entity is transpiled to a separated js file.

Saulo S. Toledo

@saulotoledo

Hi all. Is there an official way to get the table prefix in a migration file?

I have queries like "ALTER TABLE 'table_name'...", but I would like to load the table prefix from there.

or the table name directly from the entity...

Juliano Lazzarotto

@stackchain

Is it possible, using Repository, to select for update (table X), insert (table Y) ? Any example around

xugnad

@dan-conachi

hi, guys, is there a built-in mechanism to populate entity from Json like new User().fromJson(data)

Juliano Lazzarotto

@stackchain

Is it possible to use @Query( type ---> using a ViewEntity????)

I keep receiving an error GraphQL cannot determine the output type - Dunno if the ViewEntity works as Entity

NVM --- I forgot the annotations :D my bad

Juliano Lazzarotto

@stackchain

findAndCount and Count are supposed to work with MySQL? I'm receiving an error -> SELECT COUNT(DISTINCT()) FROM ....

xugnad

@dan-conachi

was this a dumb question or there are no active users to answer it? "hi, guys, is there a built-in mechanism to populate entity from Json like new User().fromJson(data)"

Iv Po

@dotdevru

Hi, any one knows why @BeforeUpdate() decorator/subscriber event dont work with mongodb? I cannot find code related to this in MongoQueryRunner, seems like its just calls methods from mongo driver without using Broadcaster or something like UpdateQueryBuilder does. I am trying to use repository methods replaceOne(), update(), when i use save() for new Entity @BeforeInsert() event is triggered, but update events are not. I know that mongodb is experimental, but is it okay or i am doing something wrong?)

warreee

@warreee

@dan-conachi as far as I know there no such method

warreee

@warreee

I'am inserting multiple related entities to a postgres db. In the logs I see multiple transaction being started even though I don't start a transaction myself.
I assume that typeorm automatically starts transaction in certain cases so it can rollback however is this somewhere documented on what behvaiour I can expect?

xugnad

@dan-conachi

thank @warreee I found and use now on the entity static toClass(data: Object) { return plainToClass(Class, data, { excludeExtraneousValues: true }) }

Shaishav Pidadi

@Shaivpidadi

Hey, How can I add and remove specific elements from the array field in typeORM Postgres?

Cihan Bebek

@Keksike

Hi! I'm facing an issue with typeorm that I'm having trouble solving:

I have a entity

@Entity('my_entity_table')
class MyEntity implements MyEntityInterface {
  @PrimaryColumn({ type: 'int' })
  public id: number;

  @Column({ type: 'varchar' })
  @MaxLength(1000)
  public message: string;
}

now when I do a queryBuilder and a getMany(), I would like to have this new field in the result which is aggregated from other database tables

e.g.

       // query builder for myEntity
        myQueryBuilder
        .addSelect(`EXISTS (
          SELECT true
          FROM other_table`, 'myAggregateField'
        )
        .getMany()

how can I include the myAggregateField in the result?

atm typeorm does some magic and cant build the MyEntity-object with the myAggregateField value in it

I tried simply adding public myAggregateField?: boolean; to the MyEntity-class, but it didnt help

Vinícius do Carmo

@vinimdocarmo

Hi you all! What is the safer method to get the old values of my entity in my afterUpdate inside my Surbscriber class? thanks

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