On 7/15/21 9:53 PM, Alvaro Herrera wrote:
> On 2021-Jul-15, Ron wrote:
>
>> CREATE TABLE t (
>> guid uuid not null,
>> seq smallint not null,
>> tid smallint not null,
>> ts timestamp without time zone not null,
>> x real,
>> y real,
>> z real,
>> primary key (guid, tid, seq, ts)
>> ) partition by range (ts);
> This definition will let you have multiple rows for the same
> (guid,tid,seq) combination, as long as they have different ts values.
> That is at odds with the original formulation, in which there could be a
> single row with any given combination of those three columns.
That's the cost of partitioning by something other than uid, tid or seq.
--
Angular momentum makes the world go 'round.
