GraphQl Custom Attributes Options output need optimization

[zakdma]

Description (*)

Pool request to fix performance issue
#39613

Class \Magento\EavGraphQl\Model\Output\Value\Options\GetCustomSelectedOptionAttributes is not optimized for attributes with huge amounts of options (> 10000).
Request like this take too much time to retrieve such custom attributes selected values

query {
    products(
      filter: { category_id: { eq: "2"}}
    ) {
        total_count
        items {
            name
            sku
            custom_attributesV2(filters: {used_in_product_listing: true}) {
              items {
                code
                label
                ... on AttributeValue {
                      value
                    }
                ... on AttributeSelectedOptions {
                      selected_options {
                        label
                        value
                      }
                    }
              }
            }
        }
    }
 }

The acceleration was from 3 to 4 times for my project.

Related Pull Requests

none

Fixed Issues (if relevant)

1. Fixes GraphQl Custom Attributes Options output need optimization #39613

Manual testing scenarios (*)

1. ...
2. ...

Questions or comments

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• README.md files for modified modules are updated and included in the pull request if any README.md predefined sections require an update
• All automated tests passed successfully (all builds are green)

[m2-assistant]

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[zakdma]

@magento run all tests

[zakdma]

@magento run Magento Health Index, Static Tests, WebAPI Tests

[zakdma]

@magento stop all tests

[zakdma]

@magento run all tests