Reverse

Ordering functions reverse

syntax

reverse(a)

definition

reverse(a) reverses the sequence of the values of attribute a. The function results in a new attribute with the same values unit and domain unit as attribute a and with the values of attribut a in reversed order.

applies to

attributes with Numeric, Point or bool value type

example

attribute<float32> reverseA (ADomain) := reverse(A);

A	reverseA
0	100
1	null
2.5	0
-100	null
999	null
null	999
null	-100
0	2.5
null	1
100	0

ADomain, nr of rows = 10

see also

• sort
• sort_str