timestamp,name,integer,real
datetime,string,int,float
T,,,
2010-03-01 00:00:00.000000,rec_1,5,6.5
2010-03-02 00:00:00.000000,,8,7.5
2010-03-03 00:00:00.000000,rec_3,,8.5
2010-03-04 00:00:00.000000,rec_4,12,
2010-03-05 00:00:00.000000,rec_5,-87657496599,6.5
2010-03-06 00:00:00.000000,rec_6,12,-87657496599
2010-03-06 00:00:00.000000,-87657496599,12,6.5
