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srand

Library: ib_udf

Added in: 2.0

Description

Seeds the random number generator with the current time in seconds and then returns the first number. Multiple srand() calls within the same second will return the same value. This is exactly how rand() behaved before Firebird 2.0.

Result type: DOUBLE PRECISION

Syntax 

srand ()

Declaration 

DECLARE EXTERNAL FUNCTION srand
  RETURNS DOUBLE PRECISION BY VALUE
  ENTRY_POINT 'IB_UDF_srand' MODULE_NAME 'ib_udf'