Optimize boolean filter SQL generation for non-nullable bool fields

[michaelstaib]

Fixes #9124

[github-actions]

Fusion Gateway Performance Results

Simple Composite Query

	Req/s	Err%
Constant (50 VUs)	2981.43	0.00%
Ramping (0-500-0 VUs)	3263.26	0.00%

Response Times & Query

	Min	Med	Avg	P90	P95	Max
Constant	0.75ms	14.72ms	16.55ms	30.56ms	36.21ms	171.80ms
Ramping	0.79ms	66.85ms	68.34ms	127.55ms	144.29ms	286.01ms

query TestQuery {
  topProducts(first: 5) {
    inStock
    name
    price
    shippingEstimate
    upc
    weight
    reviews {
      id
      body
      author {
        id
        username
        name
      }
    }
  }
}

---

Deep Recursion Query

	Req/s	Err%
Constant (50 VUs)	756.43	0.00%
Ramping (0-500-0 VUs)	821.62	0.00%

Response Times & Query

	Min	Med	Avg	P90	P95	Max
Constant	8.88ms	61.45ms	64.58ms	79.86ms	88.09ms	361.14ms
Ramping	1.83ms	251.49ms	262.14ms	526.02ms	567.19ms	698.20ms

query TestQuery {
  users {
    id
    username
    name
    reviews {
      id
      body
      product {
        inStock
        name
        price
        shippingEstimate
        upc
        weight
        reviews {
          id
          body
          author {
            id
            username
            name
            reviews {
              id
              body
              product {
                inStock
                name
                price
                shippingEstimate
                upc
                weight
              }
            }
          }
        }
      }
    }
  }
  topProducts(first: 5) {
    inStock
    name
    price
    shippingEstimate
    upc
    weight
    reviews {
      id
      body
      author {
        id
        username
        name
        reviews {
          id
          body
          product {
            inStock
            name
            price
            shippingEstimate
            upc
            weight
          }
        }
      }
    }
  }
}

---

Variable Batching Throughput

	Req/s	Err%
Constant (50 VUs)	23489.44	0.00%
Ramping (0-500-0 VUs)	18415.02	0.00%

Response Times & Query

	Min	Med	Avg	P90	P95	Max
Constant	0.10ms	1.72ms	2.08ms	3.97ms	4.87ms	43.03ms
Ramping	0.10ms	9.60ms	11.55ms	23.64ms	28.59ms	99.27ms

query TestQuery($upc: ID!, $price: Long!, $weight: Long!) {
  productByUpc(upc: $upc) {
    inStock
    shippingEstimate(weight: $weight, price: $price)
  }
}

Variables (5 sets batched per request)

[
  { "upc": "1", "price": 899, "weight": 100 },
  { "upc": "2", "price": 1299, "weight": 1000 },
  { "upc": "3", "price": 15, "weight": 20 },
  { "upc": "4", "price": 499, "weight": 100 },
  { "upc": "5", "price": 1299, "weight": 1000 }
]

---

Run 22204444968 • Commit be29640 • Thu, 19 Feb 2026 23:44:29 GMT

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (6a3b7a3) to head (94faa38).
⚠️ Report is 780 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #9151       +/-   ##
==========================================
- Coverage   74.16%       0   -74.17%     
==========================================
  Files        2677       0     -2677     
  Lines      140790       0   -140790     
  Branches    16371       0    -16371     
==========================================
- Hits       104421       0   -104421     
+ Misses      30774       0    -30774     
+ Partials     5595       0     -5595     

Flag	Coverage Δ
unittests	?

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.