Re: [SQL] How to find SQL Functions

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От Tom Lane
Тема Re: [SQL] How to find SQL Functions
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Msg-id 1677.925861858@sss.pgh.pa.us
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Ответ на Re: [SQL] How to find SQL Functions  ("Ross J. Reedstrom" <reedstrm@rice.edu>)
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"Ross J. Reedstrom" <reedstrm@rice.edu> writes:
> \df [optional function name glob]
> (there are, of course, equivalent SQL statements, that do the same thing
> as the above psql convienience functions, using the appropriate system
> tables (pg_*), which would allow one to avoid files and grep. But for
> learning, there's a catch-22, and I already knew how to use grep ;-)

BTW, 6.5 psql has a new command-line switch option -E, which causes it
to display the SQL statements that it issues to carry out special
commands like \df.  Makes a great learning tool when you want to see
what the system tables contain.
        regards, tom lane


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