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Rewrite all relationships in Core Data with “constraint”

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0

I have "Product" entity with "PrimaryOption" relationship array inside it.
I need to rewrite products with same "id" field.
To do this, I added a constraint for the "Product" entity and set

mergePolicy to NSMergeByPropertyObjectTrumpMergePolicy

The product is overwritten successfully, but if i add another primary option on the server, it will not overwrite the existing options in the product, but add to them.

Because of this, the core data begins to accumulate old options in product that may no longer be on the server.

How do I rewrite the product in full along with all the relationships?

ios swift core-data core-data-migration

share|improve this question

edited Mar 21 at 15:26

DimonDeveloper

asked Mar 21 at 15:05

DimonDeveloperDimonDeveloper

77112

add a comment | 

0

I have "Product" entity with "PrimaryOption" relationship array inside it.
I need to rewrite products with same "id" field.
To do this, I added a constraint for the "Product" entity and set

mergePolicy to NSMergeByPropertyObjectTrumpMergePolicy

The product is overwritten successfully, but if i add another primary option on the server, it will not overwrite the existing options in the product, but add to them.

Because of this, the core data begins to accumulate old options in product that may no longer be on the server.

How do I rewrite the product in full along with all the relationships?

ios swift core-data core-data-migration

share|improve this question

edited Mar 21 at 15:26

DimonDeveloper

asked Mar 21 at 15:05

DimonDeveloperDimonDeveloper

77112

add a comment | 

I have "Product" entity with "PrimaryOption" relationship array inside it.
I need to rewrite products with same "id" field.
To do this, I added a constraint for the "Product" entity and set

mergePolicy to NSMergeByPropertyObjectTrumpMergePolicy

The product is overwritten successfully, but if i add another primary option on the server, it will not overwrite the existing options in the product, but add to them.

Because of this, the core data begins to accumulate old options in product that may no longer be on the server.

How do I rewrite the product in full along with all the relationships?

ios swift core-data core-data-migration

share|improve this question

edited Mar 21 at 15:26

DimonDeveloper

asked Mar 21 at 15:05

DimonDeveloperDimonDeveloper

77112

share|improve this question

edited Mar 21 at 15:26

DimonDeveloper

asked Mar 21 at 15:05

DimonDeveloperDimonDeveloper

77112

share|improve this question

edited Mar 21 at 15:26

DimonDeveloper

asked Mar 21 at 15:05

DimonDeveloperDimonDeveloper

77112

asked Mar 21 at 15:05

DimonDeveloperDimonDeveloper

77112

asked Mar 21 at 15:05

DimonDeveloperDimonDeveloper

77112