| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Max Fonin <fonin(at)ziet(dot)zhitomir(dot)ua> |
| Cc: | hackers(at)postgresql(dot)org, pgsql-general(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Enum type emulation: problem with opaque type in PL/pgSQL functions |
| Date: | 2000-11-23 16:13:28 |
| Message-ID: | 7060.974996008@sss.pgh.pa.us |
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| Lists: | pgsql-general pgsql-hackers |
Max Fonin <fonin(at)ziet(dot)zhitomir(dot)ua> writes:
> I guess the problem is that PL/pgSQL doesn't handle opaque type correctly.
No it doesn't, which is not surprising considering that opaque isn't
really a type at all. The error message could be improved though :-(
Currently I believe that the only way to write datatype I/O routines
is to do it in C, because what they really need to deal in is C-style
strings, and those are not an SQL-level type.
regards, tom lane
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