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Converting to number with given format - Mailing list pgsql-general

From Gabriel Furstenheim Milerud
Subject Converting to number with given format
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Msg-id CAJN3DWrePeKge2-e6NPTkHSpXfndCu7JdKBwALUpMkjKx7dm=Q@mail.gmail.com
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Responses Re: Converting to number with given format  (Adrian Klaver <adrian.klaver@aklaver.com>)
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Hello,
I'd like to convert a string number to a number being able to provide the custom format.
With dates it works perfectly fine, so that I can do:

    SELECT to_date('18 09 10', 'YY MM DD')

Is there something similar with numbers? 

  SELECT to_number('9,000', some_format) = 9;
  SELECT to_number('9,000', another_format) = 9000;
It is not clear to me what some_format should be and what another_format should be so that those selects are equal.

I've read the documentation but I can't find a similar example. In stackoverflow they don't provide a solution either: https://stackoverflow.com/questions/18882942/postgresql-convert-a-string-with-commas-into-an-integer

Thanks
Gabriel Fürstenheim

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