python - Why does adding my Sql UPDATE break my loop? -

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i have following code which, without escaped sql statement, working fine - iterates on full set of returns previous select query printing id, detected language (from bingtranslate) , text. 

for row in c:   lang=bingtranslate(row[0])   tweetid = row[1]   print tweetid, lang, row[0]   #c.execute('update tweet set iso_language_code=? id=?',(lang, tweetid))

when unescape update call, loops once, , stops.

what gives? no error reported. i'm sure it's simple can't crack it...

i don't know python, try explain in c#.
you're executing command using same object of datareader (c in python), have reset , strange behaviour.
in opinion don't need copy rows in object, create new command object (empty) , use execute query taking params c.
correct me if i'm wrong, please.


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