Implement a new data type - Mailing list pgsql-hackers

From mohand oubelkacem makhoukhene
Subject Implement a new data type
Date
Msg-id PR3PR01MB6970881454088B105E1BF3A6E0400@PR3PR01MB6970.eurprd01.prod.exchangelabs.com
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Responses Re: Implement a new data type  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Hello

I would like to implement a new data type next to char, number, varchar... for example a special "Money" type, but
I don't want to use extensions and the Create type command.  I want to implement it directly inside source code,
because I want to implement my new type at lower level, in order to perform some more sophisticated functions after.
Just as an example,  help the optimizer in its decisions.
How should I proceed ? Is it an easy task ?

Thanks
Mohand

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