LogOperation:
| "arbitrary"
| "array_agg"
| "avg"
| "mean"
| "count"
| "geometric_mean"
| "max"
| "min"
| "sqrdiff"
| "stddev"
| "sum"
| "variance"
| "harmonic_mean"
| "first"
| "last"
| "count_distinct"
| "median"
| "percentile"
| "lower_quartile"
| "upper_quartile"
| "mode"