Static member deleteQuestionById (id: Guid) : Task<DeleteDbResult> =

Question

Static member deleteQuestionById (id: Guid) : Task<DeleteDbResult> =

try
task {
let! deleted =
conn
|> Sql.connect
|> Sql.query "DELETE FROM questions
WHERE question_id = @id"
|> Sql.parameters [ "id", Sql.uuid id ]
|> Sql.executeNonQueryAsync

return match deleted with
| 1 -> DeleteDbResult.Success
| 0 -> DeleteDbResult.NoDataFound
| _ -> DeleteDbResult.Error
}
with
| :? PostgresException as ex when ex.ErrorCode = 02000 -> Task.FromResult DeleteDbResult.NoDataFound
| _ -> Task.FromResult DeleteDbResult.Error

А вот так вот вообще нормально делать? Хендлить

#fsharp #programming #russian

0

17.08.2023

1 ответов

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V S · Accepted Answer

V S

да, только еще на всякий случай делать Flatten

0

17.08.2023

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Static member deleteQuestionById (id: Guid) : Task<DeleteDbResult> =

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