Re: TRUNCATE ONLY with foreign keys and triggers disabled - Mailing list pgsql-general

From Dimitrios Apostolou
Subject Re: TRUNCATE ONLY with foreign keys and triggers disabled
Date
Msg-id c691b848-7649-e425-b066-c1116147de55@gmx.net
Whole thread Raw
In response to Re: TRUNCATE ONLY with foreign keys and triggers disabled  (Dimitrios Apostolou <jimis@gmx.net>)
Responses Re: TRUNCATE ONLY with foreign keys and triggers disabled
List pgsql-general
On Mon, 14 Apr 2025, Dimitrios Apostolou wrote:

> On Mon, 14 Apr 2025, Tom Lane wrote:
>
>>  Dimitrios Apostolou <jimis@gmx.net> writes:
>>>  While doing TRUNCATE ONLY I get:
>>>     ERROR: cannot truncate a table referenced in a foreign key constraint
>>>  But in my case the table to be truncated is already empty, and the
>>>  TRIGGERS are disabled in all tables.
>>
>>  IIRC, it will let you do it if you truncate both the referenced and
>>  referencing tables in the same command.  The state of the triggers
>>  is not material to this, since TRUNCATE doesn't fire them anyway.
>
> Thanks Tom, however that is not possible in my case, the referenced table is
> possibly just populated and potentially very big (partitioned table with many
> sub-partitions).

Terminology correction: I meant the *referencing* table has just been
populated. I'm trying to delete the *referenced* table and I get the
error.


Dimitris




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