RANDOMINT_CRYPTO

Accepts and returns an INTEGER value from a set of values between 0 and the specified function argument -1. For this cryptographic random number generator, Vertica uses RAND_bytes to provide the random value.

Behavior type

Syntax

RANDOMINT_CRYPTO ( expression )

Arguments

expression

Resolves to a positive integer between 1 and 2⁶³ − 1, inclusive.

Examples

In the following example, RANDOMINT_CRYPTO returns an INTEGER >= 0 and less than the specified argument 5, randomly chosen from the set {0,1,2,3,4}.

=> SELECT RANDOMINT_crypto(5);
RANDOMINT_crypto
----------------
               3
(1 row)