On Tue, Jan 3, 2012 at 5:55 AM, Samuel PHAN <sam...@nomao.com> wrote:
> I'm using PL/Python, and when getting the result object from a
> plpy.execute(), I can access to the result.status().
>
> E.g.: the result.status() is 4. But to know what 4 corresponds to, I must
> open the "spi.h" file from the sources to see :
>
> #define SPI_OK_CONNECT 1
> #define SPI_OK_FINISH 2
> #define SPI_OK_FETCH 3
> #define SPI_OK_UTILITY 4
> #define SPI_OK_SELECT 5
> #define SPI_OK_SELINTO 6
> #define SPI_OK_INSERT 7
> #define SPI_OK_DELETE 8
> #define SPI_OK_UPDATE 9
> #define SPI_OK_CURSOR 10
> #define SPI_OK_INSERT_RETURNING 11
> #define SPI_OK_DELETE_RETURNING 12
> #define SPI_OK_UPDATE_RETURNING 13
> #define SPI_OK_REWRITTEN 14
>
> Is there a way to have access to these constants from the PL/python code and
> other PL/* (Tcl, Perl, etc.) ?

I'd suppose it interesting to add a table to pg_catalog containing this data.

That would be one of the easier ways to allow all languages to have
access to the constants.

It might be a SMOP (Simple Matter Of Programming) to write a script to
transform the .h file into a suitable INSERT statement for such a
table.

I wonder if there are other sets of constants worth having.  I'd think
that the various forms of "command OK" codes would also be interesting
to have as a table like this.
-- 
When confronted by a difficult problem, solve it by reducing it to the
question, "How would the Lone Ranger handle this?"

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