I am new with TypeOrm and Nestjs and Mysql ,

I have two entity

I have two entity

I have two entity

I have 2 table MainBranch and Subbranch
get the details from both the tables based on branch code
and branchname

I have a service like below. I want to do lots of different validation. How can I handle the nested async call.
I tried the below and getDataForFirstValidation this gives an null response.
If I wrote the query inside firstValidation it is working.
I feel since it is a async/await call. it is taking time to get the response. By that time my console is printing.

I have a bill entity that it has a many-to-many relation with consumer like this:

I have the following two entities for BookTree and BookTreeContent:

Queria usar repositorios personalizados en typeORM pero me tope con que @EntityRepository(User) estaba deprecado.
Termine con esta solución que el final de cuentas me esta sirviendo. Pero quiero saber si es optimo o la verdad es redundante, ineficiente o algo por el estilo.

I have a DataSource configured in NestJS leveraging TypeORM to connect to a Postgres Database. It took me a bit to figure out why I wasn’t getting records but then I found the table and records were being written to the default ‘postgres’ database even though I provided ‘dbfab’ as the database to do my work in.