Undo log record caller data

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.