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F_RC

• input/output-compatibility to rFunc ( C, LONGC)
• Compatible with UTF-8
• Input VARCHAR(254) String
• Output VARCHAR(254) is input-string <null> returns an empty string, either the input-string

Example

 SELECT  AS ISCORRECT, F_RC(NULL) FROM RDB$DATABASE;

Expected results:

 ISCORRECT F_RC                                                                                                                                                    
 ========= ===============================================================================

Example

 SELECT 'John' AS ISCORRECT, F_RC('John') FROM RDB$DATABASE;

Expected results:

 ISCORRECT F_RC                                                                                                                                                    
 ========= ===============================================================================
 John      John                                              

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