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Re^4: DBIC intermittently returning rows missing date_time value

by Corion (Patriarch)
on Jun 29, 2009 at 11:04 UTC ( #775618=note: print w/replies, xml ) Need Help??

in reply to Re^3: DBIC intermittently returning rows missing date_time value
in thread DBIC intermittently returning rows missing date_time value

Nowhere in your posted code is a variable with name $date_time shown, yet Perl reports a variable with that name as causing the warning. Either Perl made up the variable name on the spot or you didn't show us the code that's causing this (D:/upload/Websites/iic2/lib/iic2/Controller/tests/

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Re^5: DBIC intermittently returning rows missing date_time value
by reasonablekeith (Deacon) on Jun 29, 2009 at 11:17 UTC
    Arghh, sorry Corian, I forgot I'd slightly changed the output since the first post. Restoring the code and re-running the trace gives the same output with the exception that the $date_time warning changes to...
    Use of uninitialized value in concatenation (.) or string at D:/upload +/Websites/iic2/script/../lib/iic2/Controller/tests/ line 25.
    Thanks, Rob

      If the value in the date_time column is not null, then the value in the time_taken column is null, which gets turned into undef I guess.

        No, time_taken is always fine, date_time is not coming back from the get_column request, even though it's there.

        The report is selected and ordered by date_time, so if the date_time value was actually null it wouldn't be in the result set, or they'd all be at the end or the beginning, rather than what I'm seeing, which is the occasional row failing to populate date_time in the results.

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