select position('.' in '.T.homas')
result
--------
1
it returns first postion.but I need last occurence of ' . ' .
actual result
------
3
any help..?appreciated.
On Thu, Jul 30, 2015 at 5:00 AM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
Melvin Davidson <melvin6925@xxxxxxxxx> writes:
> Based om the definition of Oracle instr(), the equivalent PostgreSQL
> function would be
> position(substring in string).
See http://www.postgresql.org/docs/9.4/static/plpgsql-porting.html
particularly the "appendix" at the bottom. I'm not sure that code
is still the best way to do it (it's very old), but it's there.
regards, tom lane
