Add 'Handling of entities with identical IDs' section #597
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📦 Next.js Bundle Analysis for @graphprotocol/docsThis analysis was generated by the Next.js Bundle Analysis action. 🤖 Three Hundred Seven Pages Changed SizeThe following pages changed size from the code in this PR compared to its base branch:
DetailsOnly the gzipped size is provided here based on an expert tip. First Load is the size of the global bundle plus the bundle for the individual page. If a user were to show up to your website and land on a given page, the first load size represents the amount of javascript that user would need to download. If Any third party scripts you have added directly to your app using the The "Budget %" column shows what percentage of your performance budget the First Load total takes up. For example, if your budget was 100kb, and a given page's first load size was 10kb, it would be 10% of your budget. You can also see how much this has increased or decreased compared to the base branch of your PR. If this percentage has increased by 20% or more, there will be a red status indicator applied, indicating that special attention should be given to this. If you see "+/- <0.01%" it means that there was a change in bundle size, but it is a trivial enough amount that it can be ignored. |
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Have you tested this? I think there is a nuance where if the field is explicitly set to |
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I'd add this to "Writing Mappings" instead of "Defining Entities" |
leoyvens
reviewed
Feb 13, 2024
| When creating and saving a new entity, if an entity with the same ID already exists, the properties of the new entity are preferred during the merge process. This means that the existing entity will be updated with the values from the new entity. | ||
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| If a null value is set for a field in the new entity with the same ID, the existing entity will be updated with the null value. | ||
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What if no value is set at all? Good to be explicit about that case.
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Just tested @leoyvens
If a mapping is updated to not pass any data to a field that previously had data, the field results in a null.
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huh, surprising to me, good that we tested!
leoyvens
approved these changes
Feb 14, 2024
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I added one more paragraph considering this handling @leoyvens, let me know if you approve, thank you. |
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