Re: [HACKERS] [POC] hash partitioning

On Thu, Nov 2, 2017 at 1:52 PM, Ashutosh Bapat
<ashutosh.bapat@enterprisedb.com> wrote:
> Right now partition keys are immutable but we don't have much code
> written with that assumption. All the code usually keeps a lock on the
> parent till the time they use the information in the partition key. In
> a distant future, which may not exist, we may support ALTER TABLE ...
> PARTITION BY to change partition keys (albeit at huge cost of data
> movement). If we do that, we will have to remember this one-off
> instance of code which assumes that the partition keys are immutable.

I am pretty sure this is by no means the only piece of code which assumes that.

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


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