go run fails because of replace directive #4397

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1. Resteklicken

   added

   bugSomething isn't workingSomething isn't working

   on Apr 20, 2026
2. johan-kjolhede-kivra commented on Apr 20, 2026

   

   johan-kjolhede-kivra

   on Apr 20, 2026

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   Confirming this also breaks go install on v1.31.0 with the same error:

   $ go install github.com/sqlc-dev/sqlc/cmd/sqlc@latest
   go: github.com/sqlc-dev/sqlc/cmd/sqlc@latest (in github.com/sqlc-dev/sqlc@v1.31.0):
       The go.mod file for the module providing named packages contains one or
       more replace directives. It must not contain directives that would cause
       it to be interpreted differently than if it were the main module.
   

   Caused by this directive added in v1.31.0:

   replace github.com/go-sql-driver/mysql => github.com/sqlc-dev/mysql v0.0.0-20251129233104-d81e1cac6db2
   

   Worth noting that the install docs still recommend go install github.com/sqlc-dev/sqlc/cmd/sqlc@latest, so users following the official instructions will hit this. Pinning to @v1.30.0 works as a workaround.

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3. axbrunn commented on Apr 20, 2026

   

   axbrunn

   on Apr 20, 2026

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   Same here:

   $ make build-linux-arm64
   Generating SQLC code...
   go run github.com/sqlc-dev/sqlc/cmd/sqlc@latest generate
   go: github.com/sqlc-dev/sqlc/cmd/sqlc@latest (in github.com/sqlc-dev/sqlc@v1.31.0):
   	The go.mod file for the module providing named packages contains one or
   	more replace directives. It must not contain directives that would cause
   	it to be interpreted differently than if it were the main module.
   make: *** [Makefile:36: sqlc-gen] Error 1
   

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4. vaughany commented on Apr 21, 2026

   

   vaughany

   on Apr 21, 2026

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   Same issue here.
5. rubensantoniorosa2704 commented on Apr 21, 2026

   

   rubensantoniorosa2704

   on Apr 21, 2026

   Contributor

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   @kyleconroy looks like 1.31.0 has two dependency issues.

   MySQL: the replace to github.com/sqlc-dev/mysql added in 21e6557 breaks go install/go run ...@latest, because the Go toolchain explicitly disallows go install cmd@version for modules that contain replace directives in their go.mod (see for example golang/go#44840).

   SQLite: as in #4399, updating to github.com/ncruces/go-sqlite3 causes an Xenv interface mismatch (*env missing Xstrtol), so sqlc generate with SQLite no longer builds.

   Maybe a 1.31.1 that isolates or rolls back these dependency changes could help people using the default install and SQLite paths. Happy to help test any fix.

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6. kyleconroy commented on Apr 21, 2026

   

   kyleconroy

   on Apr 21, 2026

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   Hey all, looking into this today. For now please reference the previous version.

   After fixing it I'll make sure to add some tests to make sure this type of issue doesn't happen again.

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7. kyleconroy

   added a commit that references this issue on Apr 21, 2026

   Drop ci.yml changes; rely on existing 'go test ./...' step

   ...

   4bf6f76
8. kyleconroy

   closed this as completedin #4401on Apr 21, 2026
9. kyleconroy commented on Apr 22, 2026

   

   kyleconroy

   on Apr 22, 2026

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   Fixed in v1.31.1

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