| Firebird Documentation Index → Firebird 2.0 Language Ref. Update → External functions (UDFs) → rand |
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Library: ib_udf
Changed in: 2.0
Description: Returns a pseudo-random number. Before Firebird 2.0, this function would first seed the random number generator with the current
time in seconds. Multiple rand() calls within the same second would therefore return the same value. If you want that old behaviour in Firebird 2 and up,
use the new function srand().
Result type: DOUBLE PRECISION
Syntax:
rand ()
Declaration:
DECLARE EXTERNAL FUNCTION rand RETURNS DOUBLE PRECISION BY VALUE ENTRY_POINT 'IB_UDF_rand' MODULE_NAME 'ib_udf'
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| Firebird Documentation Index → Firebird 2.0 Language Ref. Update → External functions (UDFs) → rand |