| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Don Baccus <dhogaza(at)pacifier(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: PG 7.2b4 bug? |
| Date: | 2001-12-17 21:59:47 |
| Message-ID: | 7529.1008626387@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Don Baccus <dhogaza(at)pacifier(dot)com> writes:
> Most language standards - at least the ones I've worked
> on - require compliant implementations to define and document
> implementation-defined behavior ...
SQL99 saith:
g) implementation-defined: Possibly differing between SQL-
implementations, but specified by the implementor for each
particular SQL-implementation.
h) implementation-dependent: Possibly differing between SQL-
implementations, but not specified by ISO/IEC 9075, and not
required to be specified by the implementor for any particular
SQL-implementations.
Behavior of nondeterministic functions falls in the second category ...
regards, tom lane
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