On 2021-07-08 13:30, Ron wrote: > Thus, the bigTable PK must be on id, columnX, (No, I don't like it > either.)
That's not entirely true. You can keep the PK on id if you additionally create a unique constraint on (id, columnX).
Uhm, but that means that i have to partition by id and columnX, which is not what I really want...
=> create table bigtable ( id numeric primary key, columnX varchar(5), constraint test_unique unique (id, columnX) ) partition by hash (columnx); ERROR: 0A000: unique constraint on partitioned table must include all partitioning columns DETAIL: PRIMARY KEY constraint on table "bigtable" lacks column "columnx" which is part of the partition key. LOCATION: DefineIndex, indexcmds.c:946 Time: 146.254 ms
Also
) partition by hash (id, columnx); ERROR: 0A000: unique constraint on partitioned table must include all partitioning columns DETAIL: PRIMARY KEY constraint on table "bigtable" lacks column "columnx" which is part of the partition key. LOCATION: DefineIndex, indexcmds.c:946 Time: 150.646 ms
and
) partition by hash (id); CREATE TABLE Time: 152.780 ms