Re: Sort question - Fractions, Metric etc

From: Bret Stern <bret_stern(at)machinemanagement(dot)com>
To: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: Sort question - Fractions, Metric etc
Date: 2021-08-14 16:37:45
Message-ID: 40fa1830-71d0-c908-ba5e-5c72cfbe9368@machinemanagement.com
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Strings;

I haven't explored doing this with numeric types, but some columns
needed alpha chars eg 13mm.

Although I could have front ended this UI with mm nomenclature I did not.

I'll put a table together with appropriate numeric types and see if the
sort will behave.

On 8/14/2021 9:21 AM, Adrian Klaver wrote:
> On 8/14/21 9:14 AM, Bret Stern wrote:
>> I have a table with metric, imperial, fraction columns.
>>
>> Is there a way to sort correctly using imperial (eg; .125, .375, .437
>> -> 1., 1.125)
>
> Alright how is this different from metric or fraction?
>
> I can sort of see fraction if you mean as 1/3, 1/20, etc.
>
> What is the data type of the field you are storing this in?
>
>>
>> Couldn't handle it with ORDER BY ASC, DESC args so I added a
>> sort_column and sorted based
>>
>> on those values eg; 1,2,3,4,5,6 indicating the value I need to show
>> in which sequence.
>>
>>
>> Just curious what the pro's do
>>
>> Bret
>>
>>
>>
>
>

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