Try to use UDF substr instead of substring. I think it existed in 1.5
Regards, Bogdan MordiCom d.o.o. i...@mordicom.si +386 (05) 33 00 360 From: firebird-support@yahoogroups.com [mailto:firebird-support@yahoogroups.com] Sent: Thursday, June 25, 2015 5:24 PM To: firebird-support@yahoogroups.com Subject: Re: [firebird-support] Soc Sec No comparison using Firebird According to this I was correct - startpos and length must be integer literals http://www.firebirdsql.org/refdocs/langrefupd15-substring.html ----- Original Message ----- From: 'Bogdan' bog...@mordicom.si [firebird-support] <mailto:bog...@mordicom.si%20[firebird-support]> To: firebird-support@yahoogroups.com Sent: Thursday, June 25, 2015 5:39 AM Subject: RE: [firebird-support] Soc Sec No comparison using Firebird create procedure social_number_comparison ( i1 varchar(20), i2 varchar(20) ) returns ( result varchar(100) ) as declare variable x1 char(20); declare variable x2 char(20); declare variable e smallint; declare variable e1 smallint; declare variable e2 smallint; declare variable i smallint; begin i = 0; x1 = i1; x2 = i2; e = 0; while (i < 20 and e < 3) do begin i = i + 1; if (substring(x1 from i for 1) <> substring(x2 from i for 1)) then begin e = e + 1; if (e = 1) then e1 = i; else if (e = 2) then e2 = i; end end if (e = 0) then result = 'OK'; else if (e = 3) then result = 'Not equal'; else if (e = 1) then result = e1 || '. character ' || substring(i1 from i for 1) || ' has changed'; else begin if (substring(x1 from e1 for 1) = substring(x2 from e2 for 1) and substring(x1 from e2 for 1) = substring(x2 from e1 for 1)) then result = e1 || ' and ' || e2 || ' were swapped'; end suspend; end Regards, Bogdan From: firebird-support@yahoogroups.com [mailto:firebird-support@yahoogroups.com] Sent: Wednesday, June 24, 2015 5:12 PM To: Firebird Support Subject: [firebird-support] Soc Sec No comparison using Firebird Greetings All, I would like to pass into a stored procedure two social security numbers for comparison and have the result tell me if one character has changed, or if two characters were switched or if it does not compare at all. Has anyone done anything like this they could share? Or is it even possible? Thoughts? Thanks, Mike . _____ <https://www.avast.com/antivirus> Avast logo This email has been checked for viruses by Avast antivirus software. www.avast.com <https://www.avast.com/antivirus> _____ <https://www.avast.com/antivirus> Avast logo Ta e-pošta je bila pregledana z Avast protivirusnim programom. www.avast.com <https://www.avast.com/antivirus> _____ <https://www.avast.com/antivirus> Avast logo This email has been checked for viruses by Avast antivirus software. www.avast.com <https://www.avast.com/antivirus> --- Ta e-pošta je bila pregledana z Avast protivirusnim programom. https://www.avast.com/antivirus
