Re: [HACKERS] Default Partition for Range

On Tue, Aug 22, 2017 at 4:20 PM, Beena Emerson <memissemerson@gmail.com> wrote:
> Hi Jeevan,
>
> On Tue, Aug 22, 2017 at 7:53 AM, Jeevan Ladhe
> <jeevan.ladhe@enterprisedb.com> wrote:
>>
>>
>> 4.
>>  static List *
>> -get_qual_for_range(PartitionKey key, PartitionBoundSpec *spec)
>> +get_qual_for_range(Relation parent, PartitionBoundSpec *spec,
>> +                  bool for_default)
>>  {
>>
>> The addition and the way flag ‘for_default’ is being used is very confusing.
>> At this moment I am not able to think about a alternate solution to the
>> way you have used this flag. But will try and see if I can come up with
>> an alternate approach.
>
> Well, we need to skip the get_range_nulltest while collecting the qual
> of other partition to make one for default. We could skip this flag
> and remove the NullTest from the qual returned for each partition but
> I am not sure if thats a good way to go about it.
>
>

Please find attached a patch which removes the for_default flag from
the get_qual_for_range function. This patch is just to show an idea
and should be applied over my earlier patch. There could be a better
way to do this. Let me know your opinion.


--

Beena Emerson

EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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