| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
| Cc: | Bret Stern <bret_stern(at)machinemanagement(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Sort question - Fractions, Metric etc |
| Date: | 2021-08-14 17:03:02 |
| Message-ID: | 160750.1628960582@sss.pgh.pa.us |
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| Lists: | pgsql-general |
Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> writes:
> On 8/14/21 9:37 AM, Bret Stern wrote:
>> I haven't explored doing this with numeric types, but some columns
>> needed alpha chars eg 13mm.
> Two columns:
> data_val(numeric) data_unit(varchar)
> 13 mm
It sounds like your data is a completely disorganized mess :-(.
You might be able to bring some semblance of coherence to it with
an extension like postgresql-unit [1], but it will take a lot of
effort to get the data into a representation that can sort reasonably.
There's no "easy button" here.
regards, tom lane
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