typeorm/typeorm

Aaron Rice

@adrice727

I'm running into a databaseColumn type for User#email is not defined and cannot be guessed error when starting my server. I've seen typeorm/typeorm#2897, but I don't understand how the babel plugin is supposed to fix the issue.

carrow

@carrowheap

HI everyone, is there any way to clear content show by typeorm schema:log ?

Thomas Reggi

@reggi

Trying to access info schema and it's failing, any ideas? https://stackoverflow.com/questions/57115446/how-can-i-access-information-schema-with-typeorm

Thomas Sieverding

@Bajix

If you define a join table and have two one-to-many relationships with it, can you also have a many-to-many?

https://typeorm.io/#/many-to-many-relations/many-to-many-relations-with-custom-properties

Looking at the example there, couldnt that be taken a step further to define a many to many using the defined/extended table?

Alessandro Tagliapietra

@alex88

Hi everyone, does having a composite primary key with a number and a many to one column work?

I've tried with

@ManyToOne(type => Invoice, invoice => invoice.lines, {
  primary: true
})
invoice: Invoice;

@PrimaryColumn()
@Column()
orderLineNum: number;

but it overwrites the primary key with the many to one primary key and then after the migration only one column is primary

Alessandro Tagliapietra

@alex88

seems that

  @ManyToOne(type => Invoice, invoice => invoice.lines, {
    primary: true
  })
  invoice: Invoice;

  @Column({
    primary: true
  })
  orderLineNum: number;

is the way to go

remibruyere

@remibruyere

Hi, i go a problem with migrations, when one or more migration are already applied on the database, typeorm can't find the changes between the code and the live version of the database. That return me the message : "No changes in database schema were found - cannot generate a migration. To create a new empty migration use "typeorm migration:create" command"

I can generate the first migration without any problem. But i can't for the next migrations

If someone already know this bug / how to fix it. That can help me a lot. Thank's

Tomasz Gałkowski

@galkowskit

@remibruyere I know this won't be much help, but we gave up on TypeORMs migrations. My advice is (it saved us a lot of headaches): disable autosync and write migrations by hand (create empty migration via typeorm CLI). :(

aaronfulkerson

@aaronfulkerson

typeorm/typeorm#3067
typeorm/typeorm#4473
I hate to be that guy but could we get some action on these issues?

exequielc

@exequielc

Hi, I'm using this old sql.js v0.5.0 and don't understand how to change the conection in order to upgrade to 1.0

I'm using the Ionic implementation.

let dbOptions: ConnectionOptions;
 dbOptions = {
          type: 'sqljs',
          location: 'browser',
          autoSave: true
 };
 Object.assign(dbOptions, {
      synchronize: true,
      autoSchemaSync: true,
      migrationsRun: true,
      entities: [    tables   ]
    });
     return createConnection(dbOptions).then(connection => {
      console.log("Data Access connected!");
      return connection;
    }).catch(error => {
      //console.log("Data Access Error : ", );
      return null;
    });

Sam Grönblom

@sgronblo

Does this work in typeorm?

@Entity()
class Foo {
  @PrimaryGeneratedColumn() id: number
  nestedProp: {
    @Column() greeting: string
  }
}

Basically setting a nested property.

Sam Grönblom

@sgronblo

Hey, I'm trying out migrations:generate on an empty DB with postgres. For some reason the generated migration is doing the following:

Create the table as expected based on a single @Entity I have defined
Drop all the columns of the previously created table
Recreate all the columns that it just deleted

This seems buggy to me.

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

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