Tips for setting up a typeorm entity with attention to its nullable fields

Question

Tips for setting up a typeorm entity with attention to its nullable fields

How can I assign values to typeorm entities and insert them into the database?

import { PricingPatternElement } from file

const Element:PricingPatternElement = {
displayOrder: 10,
elementName: "test",
createdAt : getCurrentDate(),
createdBy: "test"
}

After setting the above values for PricingPatternElement, I encountered the following error:

Type '{ displayOrder: number; elementName: string; createdAt: Date; createdBy: string; }' is missing several properties such as 'pricingPatternElementId', 'minPrice', 'maxPrice', 'priceInterval', and 15 others.

The error states that 15 members have not been set, however, I specified these fields as nullable.

My objective is to only set the values for the required 5 columns based on the entity definitions.

Code snippet of the entity definitions...

How can I assign values without having to set nullable columns? Thank you.

javascript typescript typeorm

Answer 1

Answer №1

One way to approach this is by using the "as" keyword:

   const Element = {
                  displayOrder : 10,
                  elementName : "test",
                  createdAt  : getCurrentDate(),
                  createdBy :  "test"
                } as PricingPatternElement;

It's important to note that if there are default parameters, they will not exist in this object (although they can still be used in tests).

You might also want to consider exploring :

const user = repository.create({
    id: 1,
    firstName: "Timber",
    lastName: "Saw",
});

This allows you to create an entity without inserting it into the database.

Answer 2

One way to approach this is by using the "as" keyword:

   const Element = {
                  displayOrder : 10,
                  elementName : "test",
                  createdAt  : getCurrentDate(),
                  createdBy :  "test"
                } as PricingPatternElement;

It's important to note that if there are default parameters, they will not exist in this object (although they can still be used in tests).

You might also want to consider exploring :

const user = repository.create({
    id: 1,
    firstName: "Timber",
    lastName: "Saw",
});

This allows you to create an entity without inserting it into the database.

Tips for setting up a typeorm entity with attention to its nullable fields

Answer №1

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