Thank you for the clarification.
On Thu, 22 Nov 2018 at 13:30, Alban Hertroys <haramrae@xxxxxxxxx> wrote:
> On 22 Nov 2018, at 7:21, ramsiddu007 <ramsiddu007@xxxxxxxxx> wrote:
>
> pgsql> create table test_upto_100 partition of test_parent_partition
> for values from ('51') to ('100');
>
> It was showing error like this..
>
> ERROR: empty range bound specified for partition "test_upto_100"
> DETAIL: Specified lower bound ('51') is greater than or equal to upper bound ('100').
> SQL state: 42P17
>
>
> I am not getting, please give me cause of this and solution.
Alphabetically, '1' comes before '5', so '100' comes before '51'.
Numerically, you would get what you intended, but you're not partitioning on numbers but on strings instead and those sort alphabetically: '1', '10', '100', '11', '2', '3', '51', etc.
Alban Hertroys
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