Define one-to-many GORM relationships with foreign keys and association operations.
npx skills add https://github.com/liurida/gorm-development-skill --skill gorm-has-many
Please help me install this Agent Skill. Skill: gorm-has-many Source: https://github.com/liurida/gorm-development-skill/tree/main/has_many Command: npx skills add https://github.com/liurida/gorm-development-skill --skill gorm-has-many
Developers often struggle to correctly define and manage one-to-many relationships in GORM, handling foreign keys, eager loading, and association lifecycle operations.
Ask the skill to create a User with associated CreditCards and preload them for a report.
High-intent search queries and answers about installing and using this skill.
To define a one-to-many relationship in GORM with a custom foreign key, use GORM tags to specify the foreign key and reference fields on your model structs, overriding automatic foreign key inference for accurate association mapping.
Eager loading for GORM has-many associations works by using the Preload feature to fetch parent and child records in a single query, preventing N+1 query problems when displaying related data like a user and their credit cards.
Yes, you can apply cascade delete constraints to a GORM has-many relationship by configuring the constraint settings within your model tags, ensuring associated child records are automatically deleted with the parent.
The best way to manage GORM association operations like append and replace is to use the built-in association mode, allowing you to append, replace, delete, clear, and count related records efficiently without manual foreign key updates.
Yes, GORM supports self-referential has-many hierarchies and polymorphic associations, allowing a model to reference itself for parent-child trees and enabling multiple models to share a single association table through polymorphic configuration.
GORM has-many associated records may not load correctly if the foreign key inference fails, requiring you to explicitly define the foreign key and reference fields via GORM tags or ensure you are using Preload for eager loading.
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