documentationsqrt¶
Description¶
Returns the square root for a given input and null if input is negative.
Return type¶
float64
Domain¶
This is a scalar function (calculates a single output value for a single input row.)
Categories¶
Usage¶
sqrt( arg )
Argument |
Type |
Required |
Multiple |
Constant |
|---|---|---|---|---|
arg |
numeric |
Required |
Only one |
Variable |
Examples¶
make_col squareroot:sqrt(@.x)
Create a column ‘squareroot’ with the result of the square root of column ‘x’