Re: Bug in copy
| От | Zhang Mingli |
|---|---|
| Тема | Re: Bug in copy |
| Дата | |
| Msg-id | fa5c934f-9b57-4900-ad15-bb9c6d9d414d@Spark обсуждение исходный текст |
| Ответы |
Re: Bug in copy
|
| Список | pgsql-bugs |
On Feb 8, 2025 at 13:28 +0800, me nefcanto <sn.1361@gmail.com>, wrote:
Hello
I run this command:
copy "Parts" ("Id","Title") from stdin with (format csv, delimiter ",", on_error ignore)
But I receive this error:
duplicate key value violates unique constraint "PartsUniqueLocaleTitle"
This means that the on_error setting is not working. When I try to insert a million records, this becomes extremely annoying and counterproductive.
When we specify that on_error should be ignored, any type of error including data type inconsistency, check constraint inconsistency, foreign key inconsistency, etc. should be ignored and Postgres should move to the next record and not fail the entire bulk operation.
RegardsSaeed Nemati
Hi,
As my understanding,
on_error is designed to handle errors during data type conversions in PostgreSQL, similar to what we do in Greenplum or Cloudberry. Since these rows are valid,
on_error doesn’t raise any concerns.--
Zhang Mingli
HashData
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