def _columns_from_frevent(frevent):
params = dict(frevent.GetParam())<EOL>return (['<STR_LIT:time>', '<STR_LIT>', '<STR_LIT>', '<STR_LIT>', '<STR_LIT>',<EOL>'<STR_LIT>'] + list(params.keys()))<EOL>
Get list of column names from frevent