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tolerate empty result set when retrieving first row (e.g. for getting header information)

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Helmut Merz 2012-05-09 13:39:09 +02:00
parent 78bdb5f6d0
commit 3beae86d4d
1 changed files with 3 additions and 1 deletions
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2
composer/report/result.py
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@ -83,7 +83,9 @@ class ResultSet(object):
return iter(self.result) return iter(self.result)
def first(self): def first(self):
if len(self.result) > 0:
return self.result[0] return self.result[0]
return self.rowFactory(None, self)
@Lazy @Lazy
def displayedColumns(self): def displayedColumns(self):