2023-03-01 20:18:40 +00:00
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---
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title: "Plume"
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description: "Plume"
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date: 2022-12-22
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dateCreated: 2022-12-22
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weight: 11
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extra:
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parent: 'operations/debogage.md'
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---
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2022-12-22 16:56:58 +00:00
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## Bug and debug
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If you can't follow a new user and have this error:
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```
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2022-04-23T19:26:12.639285Z WARN plume::routes::errors: Db(DatabaseError(UniqueViolation, "duplicate key value violates unique constraint \"follows_unique_ap_url\""))
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```
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You might have an empty field in your database:
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```
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plume=> select * from follows where ap_url='';
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id | follower_id | following_id | ap_url
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------+-------------+--------------+--------
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2118 | 20 | 238 |
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(1 row)
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```
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Simply set the `ap_url` as follows:
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```
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plume=> update follows set ap_url='https://plume.deuxfleurs.fr/follows/2118' where id=2118;
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UPDATE 1
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```
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