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F_Z

input/output-compatibility to rFunc (Z)

Entrypoint r_z compatible with UTF-8

Inputs/Outputs

   Input      DOUBLE     floatingpoint
   Output     DOUBLE     if Input <null> Output 0 otherwise Input

Syntax

   Output RETURN mechanism BY VALUE
   Test-SQL
   SELECT 14.000 AS ISCORRECT, F_Z(14.0) FROM RDB$DATABASE;
   SELECT 0 AS ISCORRECT, F_Z(NULL) FROM RDB$DATABASE;