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feat: add support for PGAPPNAME to set application name#6139

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roji merged 1 commit into
npgsql:mainfrom
michael-todorovic:feat/pgappname
Jun 17, 2025
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feat: add support for PGAPPNAME to set application name#6139
roji merged 1 commit into
npgsql:mainfrom
michael-todorovic:feat/pgappname

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@michael-todorovic

@michael-todorovic michael-todorovic commented Jun 17, 2025 •
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This PR solves #6133

This is especially useful to automatically set the application name. For example, we'll use it in Kubernetes to push the pod name:

spec:
  template:
    spec:
      containers:
      - name: my-app
        env:
        - name: PGAPPNAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name

Related doc is at npgsql/doc#409

@michael-todorovic
feat: add support for PGAPPNAME to set application name
6cb7eed 
Signed-off-by: Michael Todorovic <michael.todorovic@outlook.com>
@michael-todorovic michael-todorovic mentioned this pull request Jun 17, 2025
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vonzshik
vonzshik approved these changes Jun 17, 2025
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LGTM

roji
roji approved these changes Jun 17, 2025
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Comment thread test/Npgsql.Tests/ConnectionTests.cs
{
const string testAppName = "MyTestApp";

// Note that the pool is unaware of the environment variable, so if a connection is

@roji roji Jun 17, 2025

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Yeah, we have this with various other environment variables as well; modifying environment variables as they application is running is not supported in thaat sense.

@roji roji merged commit 317c4e3 into npgsql:main Jun 17, 2025
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@vonzshik vonzshik linked an issue Jun 18, 2025 that may be closed by this pull request
Support for libpq's PGAPPNAME #6133
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@dependabot dependabot Bot mentioned this pull request Jun 16, 2026
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Support for libpq's PGAPPNAME

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@michael-todorovic @roji @vonzshik