Reference

left_unary(7nr)

Type Operator POSTGRES Function Prototype

Operation

box @@ point box_center(box)

center of box

float4 @ float4 float4abs(float4)

absolute value

float8 @ float8 float8abs(float8)

absolute value

% float8 dtrunc(float8)

truncate to integer

|/ float8 dsqrt(float8)

square root

||/ float8 dcbrt(float8)

cube root

: float8 dexp(float8)

exponential function

; float8 dlog1(float8)

natural logarithm

tinterval | abstime intervalstart(tinterval)

start of interval