They are probably better off just changing the column data type, _and_
we need someone to get MONEY working as an extented NUMERIC type.
---------------------------------------------------------------------------
Josh Berkus wrote:
> Folks,
>
> Bug reported off IRC:
>
> MONEY Type cannot be cast to any other type, preventing migration from this
> depreciated data type.
>
> Affects: 7.2.3, 7.3.1
> Frequency: 100% Reproducable
> Effect When Occurring: Unable to convert, query data
> Difficulty of Fix: Easy, probably
> Certianty of Diagnosis: 100%
>
> On both 7.2.3 and 7.3.1 all of the following statements will fail:
>
> select cast('40.00'::MONEY as NUMERIC);
> select cast('40.00'::MONEY as DOUBLE);
> select cast('40.00'::MONEY as VARCHAR);
> select "numeric"('40.00'::MONEY);
> select to_char('40.00'::MONEY, '99999999999.9999');
>
> This means that someone who has inherited or upgarded a 6.5 database with
> MONEY columns has no way to migrate them to NUMERIC columns other than an
> external language script or dump and reload from COPY file.
>
> I propose that we need to restore the CAST(MONEY AS NUMERIC) function so that
> users can migrate old databases to the new data type. In later versions of
> postgres, I suggest that MONEY be abandoned as a true data type and instead
> become a DOMAIN of NUMERIC for those converting.
>
> --
> -Josh Berkus
> Aglio Database Solutions
> San Francisco
>
>
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