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How to Use Variable Length Recordsets with Transaction Integrator

  • Artikel

When data of variable length with field type of recordset is sent to the host by way of COM Transaction Integrator (COMTI), COMTI sends the final field to the host padded with NULL characters (0x00) up to the defined maximum size of the field.

When the last parameter in the type library is a recordset that refers to an OCCURS DEPENDING ON value, the null values will be passed to the mainframe unless the option Final field from host is variably sized (Return Value) is selected.

The Final field from host is variably sized (Return Value) option is located in the method's Properties on the Advanced tab.

The following trace snippet from an SNA Server Logical Unit (LU) 6.2 message trace shows the problem when the Final field from host is variably sized (Return Value) option is not selected:

PVI ----------------------------------------------- 14:08:18.0343

PVI 0A1F0001->0102FEB1 LU 6.2

PVI MSGID:SWAT MSGTYP:NTEOD Sense1:2E00

PVI Sense2:0100

PVI

PVI ---- Header at address 01196054, 14 elements ----

PVI 0B012E00 01000400 000E0000 01007E01 <..............~.>

PVI

PVI ---- Element at address 01B89574, start 13, end 268 ----

PVI 2B0502FF 0003D100 0004C3E2 D4C9001A <+.....J...CSMI..>

PVI 11C5C3C9 C2D4C8C8 F14BE3F2 F2F1F5F8 <.ECIBMHH1KT22158>

PVI C4C407D0 0B100E08 00010090 0012F20D <DD............2.>

PVI 85020201 02000004 C3E2D4C9 12430E02 <e.......CSMI.C..>

PVI 000006E4 00070000 0104D4E2 E3E7000B <...U......MSTX..>

PVI 02C3D3D3 D3C9E2C3 D3000504 14AE14B1 <.CLLLISCL.......>

PVI 06D4C5D5 C1404040 40404040 40404040 <.MENA@@@@@@@@@@@>

PVI 40404040 40404040 40404040 40404040 <@@@@@@@@@@@@@@@@>

PVI 40404040 40404040 40404040 40404040 <@@@@@@@@@@@@@@@@>

PVI 40404040 40404040 40404040 40404040 <@@@@@@@@@@@@@@@@>

PVI 40404040 40404040 40404040 40404040 <@@@@@@@@@@@@@@@@>

PVI 40404040 40404040 40404040 40404040 <@@@@@@@@@@@@@@@@>

PVI 40404040 40404040 40404040 40404040 <@@@@@@@@@@@@@@@@>

PVI 40404040 40404040 40404040 40404040 <@@@@@@@@@@@@@@@@>

PVI 40404040 40404040 40404040 40404040 <@@@@@@@@@@@@@@@@>

PVI 40404040 40404040 40404040 40404040 <@@@@@@@@@@@@@@@@>

PVI

PVI ---- Element at address 01B89B28, start 13, end 268 ----

PVI 40000000 00000000 00000000 00000000 <@...............>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 0000F0F0 F0000000 00000000 00000000 <..000...........>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI

PVI ---- Element at address 01B88E9C, start 13, end 268 ----

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI

PVI ---- Element at address 01B815B4, start 13, end 268 ----

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>

PVI 00000000 00000000 00000000 00000000 <................>