Differences

This shows you the differences between two versions of the page.

--- syntax:functions:hash [2015/08/24 22:41] – dmitry
+++ syntax:functions:hash [2021/09/13 20:49] (current) – craigt
@@ Line 1: / Line 1: @@
-===== Hash(value) =====
+====== Hash(value) ======
+Category:  Special function
-Calculates 128-bit hash in Base64 encoding. The function returns the same result for the same value on any computer. It can't be used for creating primary/foreign keys as it allows [[https://en.wikipedia.org/wiki/Collision_%28computer_science%29|hash collisions]].
+\\
+=====Description=====
+This function calculates a 128-bit hash in Base64 encoding. The function returns the same result for the same value on any computer.
-^  Example  ^  Result  ^
+\\
-|  0| 1hipffIbvUu2HHnN7KlltA |
+=====Arguments=====
-|  TRUE  | nn8s3lvGRHcA0N3/R6NGQw |
+^Argument^Type^Description^
-| 'TRUE'  | vSAg6sjmONe8VqjFASGqXw |
+|value|Any|The source value used to generate the hash value. |
+**Return value type:** Text
+\\
+=====Remarks=====
+This can't be used for creating primary/foreign keys as it allows [[https://en.wikipedia.org/wiki/Hash_collision|hash collisions]].
+\\
+=====Examples=====
+  hash(0)  //Returns '1hipffIbvUu2HHnN7KlltA'
+  hash(TRUE)  //Returns 'nn8s3lvGRHcA0N3/R6NGQw'  (Note, this is boolean TRUE.)
+  hash('TRUE')  //Returns 'vSAg6sjmONe8VqjFASGqXw'  (Note, this is text TRUE.)