JR42936: Import of IBM hex float data requires setting Native Endian as byte order to work on Little Endian platforms.

APAR status

• Closed as program error.

Error description

• Import of IBM hex float data requires setting Native Endian
  as byte order to work on Little Endian platforms.
  
  
  
  
  There is a restriction in PxEngine in importing IBM hex float
  column:
  The Byte Order property must be set to Native endian.
  Native endian means using the machine's default endian.
  On Linux and window it will use default little endian to read
  IBM hex float.
  However, IBM mainframe data contains IBM hex float column is in
  Big endian format.
  If Native endian is selected the value imported for BINARY
  columns (integer) will be
  wrong since it is in big endian format for IBM maiframe data,
  including PLI data
  used by the customer.
  
     This APAR is really the completion of   APAR JR40573, "DS job
  does not read PL/I copybook correctly - EBCDIC binary format -
  float data type  " .
  The patch for that APAR shipped  and was included in 8.7 Fixpack
  1. APAR JR40537 the import of the IBM hex floating
  point format data work, but it was later discovered that the
  import
  would only work if the Edianness of the the machine running the
  import was Big Endian (the same Endianess as IBM Mainframe) .
  

Local fix

Problem summary

• The original PxEngine code that handles IBM hex float requires
  that the Byte Order must be set to Native Endian.  This is not
  correct and causing error in converting Integer columns if the
  machine that handles IBM hex float is a Little Endian machine.
  This is caused by that the data that contains IBM hex float
  downloaded from Mainframe machine is in Big Endian format.
  

Problem conclusion

• To fix this issue Byte Order restriction using Native Endian
  for IBM hex float is removed so that user can select the Byte
  Order based on the data format.  The new behavior is that when
  Big Endian is selected as Byte Order no runtime error message is
  displayed and Integer columns will be converted correctly.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Modules/Macros

• 1
  

Fix information

• Fixed component name

  WIS DATASTAGE

• Fixed component ID

  5724Q36DS

Applicable component levels

• R810 PSY

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