Caller data is present in all Undo Read-for-Update/Erase and
Undo Write-for-Add log records.
Note: unlr_ESDS_RBA and unlr_RRDS_RRN contain
8 byte XRBA for the extended ESDS VSAM record.
Fields
- unlr_data_length - 4 bytes
- Length of the caller data.
- unlr_base_name_length - 1 byte
- Length of the VSAM base cluster name for this log record. This field is
specified for all undo read-for-update and undo write-for-add log records.
- unlr_base_name - 44 bytes
- Name of the VSAM base cluster for this log record. This field is specified
for all undo read-for-update and undo write-for-add log records.
- unlr_dsorgtype - 1 byte
- A set of flags that indicate the data set organization of
the VSAM base cluster for this log record.
- unlr_KSDS_key_info - 8 bytes
- Information related to the primary key of the KSDS VSAM
base cluster for this log record.
- unlr_ESDS_RBA - 4 bytes
- Specifies
the RBA of the ESDS VSAM sphere record for this log record.
- unlr_RRDS_RRN - 4 bytes
- Specifies
the RRN of the RRDS or VRRDS VSAM base cluster record for this log record.
- unlr_record_length - 4 bytes
- The length of the VSAM sphere
record that immediately follows this field.