as_pandas failed when the resultset has 0 rows.
as_pandas failed when the resultset has 0 rows.

This also avoids needing to construct temporary dictionaries for every row, speeding up dataframe creation

wesm/impyla,bhtucker/impyla,bhtucker/impyla,wesm/impyla,bhtucker/impyla,schaffino/impyla,schaffino/impyla,mariusvniekerk/impyla,cloudera/impyla,cloudera/impyla,mariusvniekerk/impyla,laserson/impyla,mariusvniekerk/impyla,laserson/impyla