Decimal Data Error In Rpg
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Decimal Data Error In As400
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available for download here, and it has been updated since it originally ran [Updated 06/13/07] I have seen requests many times in the forums from programmers asking how best mch1202 error in as400 to handle data with invalid decimal data. Typically this type of error is
How To Handle Decimal Data Error In Rpg
first discovered when a program ends abnormally. I have found this problem occurs most often with data received from outside
Decimal Data Error In Cobol 400
sources: customers and vendors. Many times this data comes from systems other than a System i. I've developed a command to identify and (optionally) "fix" errant data. What's in a Number? First, http://search400.techtarget.com/answer/What-is-a-Decimal-Data-Error what is invalid decimal data? This is non-numeric data in a numeric field. For example, a field defined as "5s 0" should contain a number in the range of -99999 to +99999. The data is invalid if it contains values such as ABCDE or 123A6. Of course in the case of a zoned-decimal field such as this one, it is acceptable for the last (and http://www.itjungle.com/fhg/fhg061307-story01.html only the last) position to contain a value that appears to be alphabetic. This is because the last position of the field identifies the sign. To consider numeric values properly you must think in terms of the hexadecimal (hex) representation of the field. The first four bits of each byte are called the "zone" and the last four bits the "digit". Values for each zone and digit can range from 0 to 9 and A to F for the values 0 to 15 in the base-16 (hexadecimal). The base-10 (decimal) numbers 0 to 9 are defined for zoned-decimal fields in hex as F0-F9, respectively. The last byte identifies the sign of the value. For this byte only, the zone portion can be either a C or F for positive values and a D for negative. The hex representation of the zoned-decimal value 123 stored in a "5s 0" field is: F0F0F1F2F3 or F0F0F1F2C3. Packed fields are stored differently. Normally packed fields have an odd length, such as "7p 0" or "9p 2". The physical length of the stored data is: (scale of field + 1) / 2. For example, a "7p 2" field
This document provides information about finding and correcting decimal data errors. Resolving the problem It is not uncommon for programs to have problems with decimal data errors when working with files that originated on mainframes, http://www-01.ibm.com/support/docview.wss?uid=nas8N1018444 non-IBM systems, and the IBM System/36. Program-described files are normally used on these systems http://www.allinterview.com/showanswers/98267/what-is-decimal-data-error-in-rpg-iv-when-will-it-happens.html and can result in non-numeric hexadecimal values in numeric fields. It is also possible for a program on the IBM OS/400 or IBM i5/OS system to do this because program-described files are still available, especially for programs that have been migrated and are running in the System/36 environment. The following example takes advantage of the field descriptions data error in externally-described files to correct the problem. The program reads in each record and writes it out making assumptions on what the correct value should be. You are responsible for evaluating the results of using this program. Because it is necessary to make assumptions, the results might not be what you require. However, there is a very good chance the results will be satisfactory. Always keep a back-up copy of the file decimal data error until you evaluate the results and are comfortable with the end result. In the case of zoned numeric fields, hexadecimal values such as blanks, control characters, and unassigned hexadecimal values are normally converted to zeroes. When letters or special characters (for example, the ampersand) are encountered, the first hexadecimal character is converted to an F. For example, the letter A is C1 in hex, while the letter a is 81 in hex. Both are converted to F1, which is the number one. In testing, 8aA69 is converted to 81169. However, when certain values are encountered in certain positions in the field, the entire field can be converted to a zero value. For packed numeric fields, an incorrect value in any position normally causes the entire field to be converted to a zero value. One exception was noted in testing. A 10-digit packed field requires a 6-byte field, and the first position of the first byte is not used. An incorrect value in that first position still produced a correct converted value. All other testing resulted in a zero value being produced. To create and run the program to correct your data, you should do the following: 1. Make a copy of the file so you can examine the resulting changes. To avoid accidentally u
AS400 >> IBM AS400 AllOther Suggest New Category WHAT IS DECIMAL DATA ERROR IN RPG IV...WHEN WILL IT HAPPENS? Question Posted / ddd 6 Answers 15855 Views CTS, I also Faced E-Mail Answers Answers were Sorted based on User's Feedback Answer / narendra If you have defined any field as numeric and the value being inserted into that field is character then system will throw the message "decimal data error". Is This Answer Correct ? 27 Yes 5 No Answer / madhusudhan For the above answer posted by Narendra, there are 19 People who told yes, but did they test this or verify. Create a Char variable of Lenth 5 and Numeric variable of lenth 5 and see the result . D Num1 S 5 P 0 D Char1 S 5 A INZ('ABCDE') C MOVE Char1 Num1 C Num1 DSPLY Num1 will not give a Decimal Data error , instead it gives the values Num1 = 12345. If you use eval C EVAL Num1 = Char1 Eval will fail during compilation itself. As per my analysis , Decimal Data error occurs when junk values or special characters are passed to Numeric variable. ( Ex : !, @ , #.$) . For testing Intialize the above variable Char1 with atleast one special character and just see the result. This is only one example which i have given , and i heard that during Parameter passing also this occurs , but dont know in which scenerio , if anyone knows more on Decimal Data error, kindly plz post. Is This Answer Correct ? 18 Yes 0 No Answer / priya Decimal data error occurs primarily when numeric field receives invalid values/numbers. The same goes for the case of parameter passing. When the file is opened by a program and the record containing the invalid data is read, you will not get an error. But if the field containing the invalid data is read in the program, and some arithematic operation is performed with that value it gives decimal data error. For eg by being the Factor1 of a MOVEx operation, or either factor in an ADD, SUB, DIV, MULT etc., or on the right-hand side of an EVAL, or if it is involved in a WRITE or UPDATE operation -- then it will be checked, and then the program will fail. Is This Answer Correct ? 3 Yes 0 No Answer / venkat suppose if i declare data area with the length of 8 char and i am receiving that data area as data structure and if i give only 7 char value. if i compile the program program will compile but if you call that program it will throw the error as decimal data error Is This Answer Correct ? 2 Yes 0 No Answer / arun for abv to Mr.Madhusudhan "Parameter passing also this occurs in cl prog" bcoz if we pass the parameters in different formates then it will occurs data decimal error plz say if i