On 05/07/2018 08:50 PM, David G. Johnston wrote:
> On Monday, May 7, 2018, tango ward <tangoward15@gmail.com
> <mailto:tangoward15@gmail.com>> wrote:
>
>
> cur_t.execute("""
> SELECT TRANSLATE(snumber, ' ', '')
> FROM sprofile """)
>
> # This will result in KeyError
> for row in cur_t:
> print row['snumber']
>
> # This works fine
> for row in cur_t:
> print row[0]
>
>
> So apparently when you execute your query the result has at least one
> column but that column isn't named "snumber". I'm sure there is a way
> in Python to debug "row" and find out what names it does have. Or maybe
Python 3+
print(row)
Python 2.7
print row
> execute the query in something like psql and observe e column name there.
>
> That said, by default the name of columns whose values are derived by a
> single function call should be the name of the function. So
> "translate", not "snumber" - the latter being consumed by the function.
> You can as use "as <alias>" to give it a different fixed name and refer
> to that.
>
> David J.
--
Adrian Klaver
adrian.klaver@aklaver.com