Re: [HACKERS] UPDATE of partition key

On 2017/11/07 14:40, Amit Khandekar wrote:
> On 7 November 2017 at 00:33, Robert Haas <robertmhaas@gmail.com> wrote:
> 
>> Also, +1 for Amit Langote's idea of trying to merge
>> mt_perleaf_childparent_maps with mt_persubplan_childparent_maps.
> 
> Currently I am trying to see if it simplifies things if we do that. We
> will be merging these arrays into one, but we are adding a new int[]
> array that maps subplans to leaf partitions. Will get back with how it
> looks finally.

One thing to note is that the int[] array I mentioned will be much faster
to compute than going to convert_tuples_by_name() to build the additional
maps array.

Thanks,
Amit



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