Hi,
On 2014-05-01 13:55:46 +0100, Greg Stark wrote:
> Is there some use case for that I'm not seeing?
>
> postgres=***# create index tti on
> tt(i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i);
> CREATE INDEX
> Time: 15.891 ms
Can be useful if different opclasses are used for the individual
columns. Other than that I am not seing much use.
But what would we gain by prohibiting it except possibly breaking
people's upgrades?
Greetings,
Andres Freund