I’ve been struggling with two issues for a while, and hoping someone can shed some light.

**One**: The following query spans 10 days and uses a 1 day `GROUP BY TIME`

, and I expected 10 records, however, received 11 where one of my expected records was split into the first and last record. Why does influx do this? Can the query be modified to return 10 records? How does influx determine which number of samples should go in these two boundary records (187 in one and 292 in the other for a total of 480). How can my `integralCalc`

calculation be modified to return accurate results (first should be multiplied by `178/(178+302)`

and last multiplied by `302/(178+302)`

)?

```
> SELECT MEAN(P49), COUNT(P49), INTEGRAL(P49), MEAN(P49)*1*24*60*60 AS integralCalc, (INTEGRAL(P49)-MEAN(P49)*1*24*60*60)/INTEGRAL(P49) AS integralError FROM L2 WHERE time >= NOW() - 10d AND time<NOW() GROUP BY TIME(1d)
name: L2
time mean count integral integralCalc integralError
---- ---- ----- -------- ------------ -------------
1542067200000000000 3.022019691011238 178 96852.55968955555 261102.50130337093 -1.6958761042587898
1542153600000000000 1.766747622916667 480 152624.3676301944 152646.99462 -0.00014825279971301814
1542240000000000000 2.2783763 480 196850.57924300004 196851.71232000002 -0.000005756025734514354
1542326400000000000 1.9705699333333326 480 170071.0132481389 170257.24223999993 -0.0010950072461162667
1542412800000000000 0.7606399062499993 480 65997.40708773605 65719.28789999994 0.00421409264406986
1542499200000000000 0.5598519185803762 479 48357.86496567498 48371.2057653445 -0.000275876523477486
1542585600000000000 1.0156483624999997 480 87860.30244070003 87752.01851999998 0.0012324555879276108
1542672000000000000 1.1093418062499987 480 95763.26122774168 95847.13205999989 -0.0008758142860104804
1542758400000000000 0.8864024520833331 480 76589.37853240839 76585.17185999999 0.0000549250103474821
1542844800000000000 0.49902364791666626 480 43120.054512824994 43115.64317999996 0.00010230350761081205
1542931200000000000 0.8652338443708607 302 47021.54529502501 74756.20415364236 -0.5898287409442442
>
```

**Two**: When performing a query without a `GROUP BY TIME`

clause, why does `INTEGRAL`

return time of zero when all other functions return the time 10 days ago?

```
> SELECT COUNT(P49), MEAN(P49), MEDIAN(P49), MODE(P49), SPREAD(P49), STDDEV(P49), SUM(P49), FIRST(P49), LAST(P49), MAX(P49), MIN(P49),INTEGRAL(P49) FROM L2 WHERE time >= NOW() - 10d AND time<NOW()
name: L2
time count mean median mode spread stddev sum first last max min integral
---- ----- ---- ------ ---- ------ ------ --- ----- ---- --- --- --------
0 1082157.106009501
1542119858119162885 4798 1.252782246769487 0.853222 0.39226 8.688586 1.1931054204209883 6010.849219999999 0.83357 0.284867 8.89962 0.211034
>
```

Thank you!