Re: partition tree inspection functions - Mailing list pgsql-hackers

From Amit Langote
Subject Re: partition tree inspection functions
Date
Msg-id 9b19de87-c810-5232-2b4d-d82bde07b6c5@lab.ntt.co.jp
Whole thread Raw
In response to Re: partition tree inspection functions  (Jesper Pedersen <jesper.pedersen@redhat.com>)
Responses Re: partition tree inspection functions  (Jesper Pedersen <jesper.pedersen@redhat.com>)
List pgsql-hackers
Hi,

On 2018/07/27 21:21, Jesper Pedersen wrote:
> Hi Amit,
> 
> On 07/26/2018 10:33 PM, Amit Langote wrote:
>> Optional parameter sounds good, so made it get_partition_level(regclass [
>> , regclass ]) in the updated patch.  Although, adding that argument is not
>> without possible surprises its result might evoke.  Like, what happens if
>> you try to find the level of the root table by passing a leaf partition
>> oid for the root table argument, or pass a totally unrelated table for the
>> root table argument.  For now, I've made the function return 0 for such
>> cases.
>>
> 
> As 0 is a valid return value for root nodes I think we should use -1
> instead for these cases.

Makes sense, changed to be that way.

Thanks,
Amit

Attachment

pgsql-hackers by date:

Previous
From: Kyotaro HORIGUCHI
Date:
Subject: Re: BUG #15182: Canceling authentication due to timeout aka Denialof Service Attack
Next
From: Emre Hasegeli
Date:
Subject: Re: [PATCH] Improve geometric types