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This past week I've been updating our SQL Analysis code to cope with Unicode SQL statements. (If you bind a package or plan once you've gone to DB2 Version 8 New Function Mode the statement text is stored in the Catalog in Unicode.) These statements are in Unicode UTF-8 which is extremely similar to ASCII. So I snaffled some existing code of mine that converts from ASCII to EBCDIC and pressed it into service...
If the first 10 bytes of the statement text (minus the 2 4-byte header fields) contain X'40' (an EBCDIC null (space)) then I consider the text to be in EBCDIC. Otherwise I deem it to be ASCII - and do the conversion. (You might ask "what about statements like ROLLBACK?" Well, it turns out that in SYSPACKSTMT there is always a trailing blank on the statement text - so that's alright. :-)
(In fact my code decodes all the structural information in the SYSPACKSTMT STMT column - including extracting information on host variables.)
Now, my colleagues sometimes just want to take a look at the statement text sometimes - without bothering to run my code. So here's what I learned when creating a DFSORT job I set up for them to run, converting the statement text from ASCII to EBCDIC.
Converting ASCII to EBCDIC With DFSORT
First, a disclaimer: Certain codepoints might need slight adjustment in some countries - for example if you have dollar versus pound sterling issues.
First you code an ALTSEQ statement:
ALTSEQ CODE=(0000,0101,0202,0303,0437,052D,062E,072F, 0816,0905,0A25,0B0B,0C0C,0D0D,0E0E,0F0F, 1010,1111,1212,1313,143C,153D,1632,1726, 1818,1919,1A3F,1B27,1C22,1D1D,1E35,1F1F, 2040,215A,227F,237B,245B,256C,2650,277D, 284D,295D,2A5C,2B4E,2C6B,2D60,2E4B,2F61, 30F0,31F1,32F2,33F3,34F4,35F5,36F6,37F7, 38F8,39F9,3A7A,3B5E,3C4C,3D7E,3E6E,3F6F, 407C,41C1,42C2,43C3,44C4,45C5,46C6,47C7, 48C8,49C9,4AD1,4BD2,4CD3,4DD4,4ED5,4FD6, 50D7,51D8,52D9,53E2,54E3,55E4,56E5,57E6, 58E7,59E8,5AE9,5BAD,5CE0,5DBD,5E5F,5F6D, 6079,6181,6282,6383,6484,6585,6686,6787, 6888,6989,6A91,6B92,6C93,6D94,6E95,6F96, 7097,7198,7299,73A2,74A3,75A4,76A5,77A6, 78A7,79A8,7AA9,7BC0,7C4F,7DD0,7EA1,7F07, 8043,8120,8221,831C,8423,85EB,8624,879B, 8871,8928,8A38,8B49,8C90,8DBA,8EEC,8FDF, 9045,9129,922A,939D,9472,952B,968A,979A, 9867,9956,9A64,9B4A,9C53,9D68,9E59,9F46, A0EA,A1DA,A22C,A3DE,A48B,A555,A641,A7FE, A858,A951,AA52,AB48,AC69,ADDB,AE8E,AF8D, B073,B174,B275,B3FA,B415,B5B0,B6B1,B7B3, B8B4,B9B5,BA6A,BBB7,BCB8,BDB9,BECC,BFBC, C0AB,C13E,C23B,C30A,C4BF,C58F,C63A,C714, C8A0,C917,CACB,CBCA,CC1A,CD1B,CE9C,CF04, D034,D1EF,D21E,D306,D408,D509,D6
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