On 6/23/16 12:29 PM, Alvaro Herrera wrote:
David G. Johnston wrote:
On Thursday, June 23, 2016, Alex Ignatov <a.igna...@postgrespro.ru> wrote:
Arguing just like that one can say that we don't even need exception like
"division by zero". Just use well-formed numbers in denominator...
Input data sometimes can be generated automagically. Without exception
throwing debugging stored function containing to_timestamp can be painful.
to_timestamp with its present behavior is, IMO, a poorly designed function
that would never be accepted today.
I'm not sure about that.
to_timestamp was added to improve compatibility with Oracle, by commit
b866d2e2d794. I suppose the spec should follow what's documented here,
and that wherever we deviate from that, is a bug that should be fixed.
I'm also in favor of a parsing function that actually follows the format
specifier, but not enough to write a patch.
One thing that I think could happen for 9.6 is documenting how you could
get the desired results with one of the regex functions. Not the nicest
way to handle this problem, but it is workable and having a regex
example available for people to start with would be very helpful.
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
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