Go code generation fails for PostgreSQL ENUM values with '+' and '-' due to duplicate constant names

Version

1.31.1

Version

sqlc: v1.31.1
PostgreSQL: 18x
Go: go1.26.1 windows/amd64

What happened?

When using a PostgreSQL ENUM that contains values with + and - (e.g. blood groups), sqlc generates duplicate Go constant names, causing the generated code to fail to compile.

For example:

CREATE TYPE blood_group_type AS ENUM (
    'A+',
    'A-',
    'B+',
    'B-',
    'AB+',
    'AB-',
    'O+',
    'O-'
);

Opened #4519 for this.

Kindly update this issue after the PR is merged so I can verify it in the appropriate release.

Hi, just following up on this PR. It has been open for several months, and we're still affected by the PostgreSQL ENUM constant-name collision described in #4515. Is there any update on the review or merge timeline? Thanks!

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Go code generation fails for PostgreSQL ENUM values with '+' and '-' due to duplicate constant names #4515

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Go code generation fails for PostgreSQL ENUM values with '+' and '-' due to duplicate constant names #4515

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alliasgher commented on Jul 19, 2026

arjun-liveeye commented on Jul 31, 2026

arjun-liveeye commented on Sep 25, 2026

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