query filters docs - using navigations in query filters + sample #2394
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maumar
commented
May 19, 2020
maumar
commented
May 19, 2020
| @@ -39,6 +39,16 @@ The predicate expressions passed to the _HasQueryFilter_ calls will now automati | |||
| > [!NOTE] | |||
| > It is currently not possible to define multiple query filters on the same entity - only the last one will be applied. However, you can define a single filter with multiple conditions using the logical _AND_ operator ([`&&` in C#](https://docs.microsoft.com/dotnet/csharp/language-reference/operators/boolean-logical-operators#conditional-logical-and-operator-)). | |||
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| ## Use of navigations | |||
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| Navigations can be used when defining global query filters. They are applied recursively - when navigations used in query filters are translated, query filters defined on referenced entities are also applied, potentially adding more navigations. | |||
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Should I ditch the explanation what it means that we apply filters recursively? Sentence seems complicated to me, but it ties to the warning about cycles. Thoughts?
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updated @JeremyLikness can you create a forward link that points to: https://docs.microsoft.com/en-us/ef/core/querying/filters |
maumar
commented
May 20, 2020
| > [!NOTE] | ||
| > Currently EF Core does not detect cycles in global query filter definitions, so you should be careful when defining them. If specified incorrectly, this could lead to infinite loops during query translation. | ||
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| ## Accessing entity with query filter using reqiured navigation |
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ping |
ajcvickers
approved these changes
Jun 1, 2020
- using navigations inside query filters, - using required navigations to acceess entity with query filter defined, - samples.
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