IBM SC34-6814-04 User Manual
Some records have a third and fourth section which are of variable length.
Table 38 outlines the sections in a journal record written by file control.
Table 38. FLJB sections in journal records issued by file control
Record type
First section
Second section
Third section
Fourth section
Read-only
Read-update
Write-update
Write-add
Write-add
complete
Read-update
Write-update
Write-add
Write-add
complete
FLJB_GENERAL_
DATA
DATA
FLJB_COMMON_DATA
FLJB_CD_KEY
FLJB_CD_DATA
Write delete
FLJB_GENERAL_
DATA
DATA
FLJB_WRITE_DELETE
_DATA
_DATA
FLJB_WDD_BASE
_KEY
_KEY
FLJB_WDD_PATH
_KEY
_KEY
File close
FLJB_GENERAL_
DATA
DATA
FLJB_FILE_CLOSE _DATA
None
None
Tie-up
FLJB_GENERAL_
DATA
DATA
FLJB_TIE_UP_RECORD
_DATA
_DATA
None
None
A description of each of the structures, and the sections within them, now follows:
Read-only, read-update, write-update, write-add, write-add
complete record types
complete record types
There are four sections in the journal records written for read-only, read-update,
write-update, write-add, and write-add complete record types:
write-update, write-add, and write-add complete record types:
v
The FLJB_GENERAL_DATA section,
v
The FLJB_COMMON_DATA section, and
v
The caller data image sections which consist of the FLJB_CD_KEY (the length of
which is given in FLJB_COMMON_DATA) and the FLJB_CD_DATA section. The
FLJB_CD_DATA section (the length of which is given in FLJB_COMMON_DATA)
contains the image of the caller data.
which is given in FLJB_COMMON_DATA) and the FLJB_CD_DATA section. The
FLJB_CD_DATA section (the length of which is given in FLJB_COMMON_DATA)
contains the image of the caller data.
The format of such a record written for these record types is shown in Figure 78.
12
16
Variable length
FLJB_GENERAL_ DATA
FLJB_CD_KEY
FLJB_CD_DATA
FLJB_COMMON_DATA
Fixed length
Figure 78. Layout of record written for read-only, read-update, write-update, write-add, and write-add-complete record
types
types
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