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feat: execution/queryvalidation.rst

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Signed-off-by: QuentinN42 <quentin@lieumont.fr>
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Query Validation Query Validation
========== ================
GraphQL uses query validators to check if Query AST is valid and can be executed. Every GraphQL server implements GraphQL uses query validators to check if Query AST is valid and can be executed. Every GraphQL server implements
standard query validators. For example, there is an validator that tests if queried field exists on queried type, that standard query validators. For example, there is an validator that tests if queried field exists on queried type, that
makes query fail with "Cannot query field on type" error if it doesn't. makes query fail with "Cannot query field on type" error if it doesn't.
@ -8,7 +8,7 @@ To help with common use cases, graphene provides a few validation rules out of t
Depth limit Validator Depth limit Validator
----------------- ---------------------
The depth limit validator helps to prevent execution of malicious The depth limit validator helps to prevent execution of malicious
queries. It takes in the following arguments. queries. It takes in the following arguments.
@ -17,7 +17,7 @@ queries. It takes in the following arguments.
- ``callback`` Called each time validation runs. Receives an Object which is a map of the depths for each operation. - ``callback`` Called each time validation runs. Receives an Object which is a map of the depths for each operation.
Usage Usage
------- -----
Here is how you would implement depth-limiting on your schema. Here is how you would implement depth-limiting on your schema.
@ -54,7 +54,7 @@ the disable introspection validation rule ensures that your schema cannot be int
This is a useful security measure in production environments. This is a useful security measure in production environments.
Usage Usage
------- -----
Here is how you would disable introspection for your schema. Here is how you would disable introspection for your schema.