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Function valid only for one table - Mailing list pgsql-sql

From Martin Knipper
Subject Function valid only for one table
Date
Msg-id 40AB7272.2090605@mk-os.de
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Responses Re: Function valid only for one table
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Hi there,

is it possible to define a function that is only valid in a context
of one table ?

For Example:

select someFunction() from someTable;
-> OK

select someFunction() from anotherTable;
-> Error: someFunction unkown

Of course both tables are in the same database.

Greetings,
Martin

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