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Add noPreparedStatements option for connection pools#4

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Add noPreparedStatements option for connection pools#4
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claude/add-pglite-support-0hum0

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@Pom4H Pom4H commented Apr 30, 2026 •
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Summary

Add support for disabling prepared statements in the embedded graphile-worker queue, which is required when using connection pools that cannot honour per-session prepared statements (such as PgBouncer in transaction pooling mode or PGlite-socket).

Key Changes

  • Added noPreparedStatements configuration option to PostgresWorldConfig with comprehensive documentation explaining when it's needed
  • Added WORKFLOW_POSTGRES_NO_PREPARED_STATEMENTS environment variable support (accepts 1 or true)
  • Updated createQueue() to forward the noPreparedStatements flag to graphile-worker's makeWorkerUtils() and run() calls
  • Updated createWorld() to resolve the configuration option from both explicit config and environment variables
  • Added comprehensive test coverage for both enabled and default (disabled) scenarios
  • Updated README with configuration examples and environment variable documentation

Implementation Details

  • The option defaults to undefined (prepared statements enabled) to maintain backward compatibility
  • When explicitly set or provided via environment variable, the flag is forwarded to graphile-worker's internal calls
  • The environment variable parser accepts both 1 and true (case-insensitive) as truthy values
  • Configuration is properly threaded through the queue initialization pipeline

@claude
feat(world-postgres): add noPreparedStatements option for PgBouncer/P…
f1dd636 
…Glite

Forwards graphile-worker's noPreparedStatements flag through createWorld()
config and a WORKFLOW_POSTGRES_NO_PREPARED_STATEMENTS env var. Required when
the pool routes traffic through a layer that cannot honour per-session
prepared statements (PgBouncer txn mode, PGlite-socket).
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github-actions Bot commented Apr 30, 2026 •
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📊 Benchmark Results

workflow with no steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 0.044s 1.005s 0.961s 10 1.00x
💻 Local Nitro 0.044s 1.005s 0.961s 10 1.00x
🐘 Postgres Express 0.046s 1.011s 0.964s 10 1.05x
🐘 Postgres Nitro 0.047s 1.009s 0.962s 10 1.07x
💻 Local Next.js (Turbopack) 0.048s 1.005s 0.957s 10 1.08x
🐘 Postgres Next.js (Turbopack) 0.059s 1.010s 0.951s 10 1.33x
workflow with 1 step

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.118s 2.010s 0.893s 10 1.00x
💻 Local Next.js (Turbopack) 1.119s 2.006s 0.887s 10 1.00x
🐘 Postgres Nitro 1.119s 2.009s 0.891s 10 1.00x
💻 Local Nitro 1.122s 2.007s 0.885s 10 1.00x
💻 Local Express 1.127s 2.005s 0.879s 10 1.01x
🐘 Postgres Next.js (Turbopack) 1.145s 2.010s 0.866s 10 1.02x
workflow with 10 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 10.660s 11.020s 0.360s 3 1.00x
🐘 Postgres Express 10.691s 11.020s 0.330s 3 1.00x
💻 Local Next.js (Turbopack) 10.809s 11.022s 0.213s 3 1.01x
🐘 Postgres Next.js (Turbopack) 10.841s 11.021s 0.180s 3 1.02x
💻 Local Nitro 10.916s 11.023s 0.108s 3 1.02x
💻 Local Express 10.940s 11.024s 0.084s 3 1.03x
workflow with 25 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 14.022s 14.221s 0.199s 5 1.00x
🐘 Postgres Express 14.024s 14.822s 0.798s 5 1.00x
🐘 Postgres Next.js (Turbopack) 14.515s 15.022s 0.507s 4 1.04x
💻 Local Next.js (Turbopack) 14.582s 15.029s 0.448s 4 1.04x
💻 Local Express 14.962s 15.030s 0.069s 4 1.07x
💻 Local Nitro 14.974s 15.029s 0.055s 4 1.07x
workflow with 50 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 12.896s 13.164s 0.268s 7 1.00x
🐘 Postgres Express 12.934s 13.022s 0.088s 7 1.00x
🐘 Postgres Next.js (Turbopack) 13.882s 14.309s 0.427s 7 1.08x
💻 Local Next.js (Turbopack) 15.889s 16.364s 0.475s 6 1.23x
💻 Local Express 16.391s 17.031s 0.641s 6 1.27x
💻 Local Nitro 16.688s 17.031s 0.343s 6 1.29x
Promise.all with 10 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 1.203s 2.008s 0.805s 15 1.00x
🐘 Postgres Express 1.203s 2.008s 0.805s 15 1.00x
🐘 Postgres Next.js (Turbopack) 1.221s 2.010s 0.789s 15 1.01x
💻 Local Express 1.488s 2.005s 0.517s 15 1.24x
💻 Local Next.js (Turbopack) 1.529s 2.006s 0.477s 15 1.27x
💻 Local Nitro 1.550s 2.006s 0.457s 15 1.29x
Promise.all with 25 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 2.293s 3.010s 0.717s 10 1.00x
🐘 Postgres Express 2.298s 3.008s 0.710s 10 1.00x
🐘 Postgres Next.js (Turbopack) 2.402s 3.009s 0.607s 10 1.05x
💻 Local Next.js (Turbopack) 2.707s 3.008s 0.301s 10 1.18x
💻 Local Express 2.816s 3.108s 0.293s 10 1.23x
💻 Local Nitro 2.881s 3.007s 0.127s 10 1.26x
Promise.all with 50 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 3.365s 4.009s 0.644s 8 1.00x
🐘 Postgres Express 3.409s 4.011s 0.602s 8 1.01x
🐘 Postgres Next.js (Turbopack) 3.629s 4.011s 0.383s 8 1.08x
💻 Local Next.js (Turbopack) 6.789s 7.216s 0.426s 5 2.02x
💻 Local Express 7.247s 8.020s 0.772s 4 2.15x
💻 Local Nitro 7.952s 8.519s 0.567s 4 2.36x
Promise.race with 10 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 1.202s 2.008s 0.806s 15 1.00x
🐘 Postgres Express 1.207s 2.008s 0.801s 15 1.00x
🐘 Postgres Next.js (Turbopack) 1.224s 2.010s 0.786s 15 1.02x
💻 Local Next.js (Turbopack) 1.480s 2.006s 0.526s 15 1.23x
💻 Local Express 1.533s 2.006s 0.473s 15 1.27x
💻 Local Nitro 1.540s 2.005s 0.465s 15 1.28x
Promise.race with 25 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 2.289s 3.010s 0.721s 10 1.00x
🐘 Postgres Express 2.335s 3.010s 0.675s 10 1.02x
🐘 Postgres Next.js (Turbopack) 2.407s 3.007s 0.600s 10 1.05x
💻 Local Express 2.850s 3.342s 0.491s 9 1.25x
💻 Local Next.js (Turbopack) 2.940s 3.208s 0.268s 10 1.28x
💻 Local Nitro 3.022s 3.564s 0.542s 9 1.32x
Promise.race with 50 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 3.391s 4.010s 0.619s 8 1.00x
🐘 Postgres Nitro 3.396s 4.011s 0.615s 8 1.00x
🐘 Postgres Next.js (Turbopack) 3.664s 4.013s 0.349s 8 1.08x
💻 Local Next.js (Turbopack) 7.295s 8.015s 0.720s 4 2.15x
💻 Local Express 8.057s 8.522s 0.466s 4 2.38x
💻 Local Nitro 8.646s 9.027s 0.380s 4 2.55x
workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 0.608s 1.006s 0.398s 60 1.00x
🐘 Postgres Express 0.615s 1.006s 0.391s 60 1.01x
🐘 Postgres Next.js (Turbopack) 0.778s 1.006s 0.228s 60 1.28x
💻 Local Next.js (Turbopack) 0.842s 1.004s 0.163s 60 1.38x
💻 Local Nitro 0.993s 1.137s 0.143s 53 1.63x
💻 Local Express 1.021s 1.974s 0.953s 31 1.68x
workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 1.453s 2.007s 0.554s 45 1.00x
🐘 Postgres Express 1.485s 2.007s 0.523s 45 1.02x
🐘 Postgres Next.js (Turbopack) 1.963s 2.283s 0.320s 40 1.35x
💻 Local Next.js (Turbopack) 2.640s 3.007s 0.368s 30 1.82x
💻 Local Express 3.030s 3.547s 0.517s 26 2.09x
💻 Local Nitro 3.033s 3.730s 0.697s 25 2.09x
workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 2.987s 3.342s 0.355s 36 1.00x
🐘 Postgres Express 3.058s 3.706s 0.648s 33 1.02x
🐘 Postgres Next.js (Turbopack) 3.906s 4.148s 0.242s 29 1.31x
💻 Local Next.js (Turbopack) 8.397s 9.016s 0.619s 14 2.81x
💻 Local Express 8.961s 9.401s 0.440s 13 3.00x
💻 Local Nitro 9.243s 9.941s 0.698s 13 3.09x
workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 0.224s 1.007s 0.783s 60 1.00x
🐘 Postgres Express 0.235s 1.006s 0.772s 60 1.05x
🐘 Postgres Next.js (Turbopack) 0.248s 1.007s 0.759s 60 1.11x
💻 Local Next.js (Turbopack) 0.542s 1.004s 0.462s 60 2.42x
💻 Local Express 0.560s 1.004s 0.444s 60 2.50x
💻 Local Nitro 0.625s 1.021s 0.396s 59 2.79x
workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 0.365s 1.006s 0.641s 90 1.00x
🐘 Postgres Express 0.368s 1.006s 0.637s 90 1.01x
🐘 Postgres Next.js (Turbopack) 0.482s 1.018s 0.536s 89 1.32x
💻 Local Express 2.355s 3.008s 0.654s 30 6.45x
💻 Local Next.js (Turbopack) 2.461s 2.976s 0.515s 31 6.74x
💻 Local Nitro 2.533s 3.008s 0.475s 30 6.94x
workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 0.575s 1.006s 0.431s 120 1.00x
🐘 Postgres Express 0.588s 1.006s 0.419s 120 1.02x
🐘 Postgres Next.js (Turbopack) 0.775s 1.033s 0.258s 117 1.35x
💻 Local Next.js (Turbopack) 9.934s 10.524s 0.590s 12 17.28x
💻 Local Express 10.192s 10.859s 0.668s 12 17.73x
💻 Local Nitro 10.888s 11.480s 0.593s 11 18.94x
Stream Benchmarks (includes TTFB metrics)
workflow with stream

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 0.158s 1.001s 0.001s 1.011s 0.853s 10 1.00x
🐘 Postgres Express 0.175s 0.999s 0.001s 1.010s 0.836s 10 1.11x
💻 Local Next.js (Turbopack) 0.175s 1.003s 0.010s 1.016s 0.841s 10 1.11x
🐘 Postgres Next.js (Turbopack) 0.191s 1.001s 0.001s 1.009s 0.819s 10 1.21x
💻 Local Nitro 0.206s 1.004s 0.012s 1.018s 0.812s 10 1.31x
💻 Local Express 0.210s 1.004s 0.010s 1.016s 0.806s 10 1.33x
stream pipeline with 5 transform steps (1MB)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 0.504s 1.008s 0.003s 1.020s 0.516s 59 1.00x
🐘 Postgres Express 0.522s 1.006s 0.010s 1.027s 0.505s 59 1.03x
🐘 Postgres Next.js (Turbopack) 0.606s 1.010s 0.007s 1.026s 0.420s 59 1.20x
💻 Local Next.js (Turbopack) 0.661s 1.011s 0.010s 1.023s 0.362s 59 1.31x
💻 Local Nitro 0.745s 1.012s 0.009s 1.022s 0.277s 59 1.48x
💻 Local Express 0.855s 1.012s 0.009s 1.115s 0.260s 54 1.70x
10 parallel streams (1MB each)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 0.911s 1.110s 0.000s 1.126s 0.215s 54 1.00x
🐘 Postgres Express 0.915s 1.070s 0.000s 1.082s 0.167s 57 1.00x
🐘 Postgres Next.js (Turbopack) 0.918s 1.155s 0.000s 1.162s 0.244s 52 1.01x
💻 Local Express 1.193s 2.020s 0.000s 2.022s 0.828s 30 1.31x
💻 Local Nitro 1.236s 2.022s 0.001s 2.024s 0.788s 30 1.36x
💻 Local Next.js (Turbopack) 1.412s 2.019s 0.000s 2.201s 0.789s 28 1.55x
fan-out fan-in 10 streams (1MB each)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.694s 2.144s 0.000s 2.152s 0.457s 28 1.00x
🐘 Postgres Nitro 1.734s 2.144s 0.000s 2.152s 0.418s 28 1.02x
🐘 Postgres Next.js (Turbopack) 1.835s 2.182s 0.000s 2.194s 0.359s 28 1.08x
💻 Local Express 3.250s 3.971s 0.001s 3.973s 0.724s 16 1.92x
💻 Local Next.js (Turbopack) 3.415s 4.098s 0.001s 4.102s 0.687s 15 2.02x
💻 Local Nitro 3.512s 4.102s 0.000s 4.105s 0.592s 15 2.07x

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World 🥇 Fastest Framework Wins
💻 Local Next.js (Turbopack) 15/21
🐘 Postgres Nitro 17/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework 🥇 Fastest World Wins
Express 🐘 Postgres 20/21
Next.js (Turbopack) 🐘 Postgres 17/21
Nitro 🐘 Postgres 20/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run

❌ Some benchmark jobs failed:

  • Local: success
  • Postgres: success
  • Vercel: failure

Check the workflow run for details.

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github-actions Bot commented Apr 30, 2026 •
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🧪 E2E Test Results

❌ Some tests failed

Summary

Passed Failed Skipped Total
✅ 💻 Local Development 1066 0 86 1152
✅ 📦 Local Production 1066 0 86 1152
✅ 🐘 Local Postgres 1066 0 86 1152
✅ 🪟 Windows 96 0 0 96
❌ 📋 Other 268 2 18 288
Total 3562 2 276 3840

❌ Failed Tests

📋 Other (2 failed)

e2e-local-postgres-nest-stable (2 failed):

  • fibonacciWorkflow - recursive workflow composition via start()
  • health check (queue-based) - workflow and step endpoints respond to health check messages

Details by Category

✅ 💻 Local Development
App Passed Failed Skipped
✅ astro-stable 90 0 6
✅ express-stable 90 0 6
✅ fastify-stable 90 0 6
✅ hono-stable 90 0 6
✅ nextjs-turbopack-canary 77 0 19
✅ nextjs-turbopack-stable 96 0 0
✅ nextjs-webpack-canary 77 0 19
✅ nextjs-webpack-stable 96 0 0
✅ nitro-stable 90 0 6
✅ nuxt-stable 90 0 6
✅ sveltekit-stable 90 0 6
✅ vite-stable 90 0 6
✅ 📦 Local Production
App Passed Failed Skipped
✅ astro-stable 90 0 6
✅ express-stable 90 0 6
✅ fastify-stable 90 0 6
✅ hono-stable 90 0 6
✅ nextjs-turbopack-canary 77 0 19
✅ nextjs-turbopack-stable 96 0 0
✅ nextjs-webpack-canary 77 0 19
✅ nextjs-webpack-stable 96 0 0
✅ nitro-stable 90 0 6
✅ nuxt-stable 90 0 6
✅ sveltekit-stable 90 0 6
✅ vite-stable 90 0 6
✅ 🐘 Local Postgres
App Passed Failed Skipped
✅ astro-stable 90 0 6
✅ express-stable 90 0 6
✅ fastify-stable 90 0 6
✅ hono-stable 90 0 6
✅ nextjs-turbopack-canary 77 0 19
✅ nextjs-turbopack-stable 96 0 0
✅ nextjs-webpack-canary 77 0 19
✅ nextjs-webpack-stable 96 0 0
✅ nitro-stable 90 0 6
✅ nuxt-stable 90 0 6
✅ sveltekit-stable 90 0 6
✅ vite-stable 90 0 6
✅ 🪟 Windows
App Passed Failed Skipped
✅ nextjs-turbopack 96 0 0
❌ 📋 Other
App Passed Failed Skipped
✅ e2e-local-dev-nest-stable 90 0 6
❌ e2e-local-postgres-nest-stable 88 2 6
✅ e2e-local-prod-nest-stable 90 0 6

📋 View full workflow run

❌ Some E2E test jobs failed:

  • Vercel Prod: failure
  • Local Dev: success
  • Local Prod: success
  • Local Postgres: failure
  • Windows: success

Check the workflow run for details.

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2 participants

@Pom4H @claude