batch-loader | : zap : Powerful tool for avoiding N+1 DB or HTTP queries | GraphQL library
kandi X-RAY | batch-loader Summary
kandi X-RAY | batch-loader Summary
:zap: Powerful tool for avoiding N+1 DB or HTTP queries
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QUESTION
Given a dynamic export feature where users could select a column they would want to include in an export, some columns are an N+1, and some require multiple joining of tables.
Ex:
Tables:
...ANSWER
Answered 2022-Apr-16 at 03:54What's the problem with using includes
, as you would normally? You could have something like the following:
QUESTION
Im currently trying to call a field on graphql-query from code, without using the http layer. In a test case I had success using this snippet inside of a field resolver. The breakpoint hits.
...ANSWER
Answered 2021-Jul-30 at 19:56You can execute a GraphQL query without http by using the DocumentExecutor
directly, and providing your own DocumentWriter
if you want the data in a specific format. There is an extension method which returns JSON, but you can write your own.
This is an example test base class for testing queries: https://github.com/graphql-dotnet/graphql-dotnet/blob/master/src/GraphQL.Tests/BasicQueryTestBase.cs
This is a console example that returns JSON, not using http.
QUESTION
I am using the graphql and batch-loader gems and running into this N+1 query:
I have a calendar appointment that belongs to an account, and when we display the appointment time we base it on the account's time zone.
...ANSWER
Answered 2021-Jun-08 at 11:56Assuming you're using graphql-ruby
to handle your queries you should use lookahead
to see what sub-fields are required and prepare your query accordingly.
So in your case, in the method implementing callendarAppts, you should do something like:
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