Data capture log record prefix
The data capture log record prefix contains fields that describe the length, data capture subcode, recovery token, and CPU store clock time stamp of the log record.
The following table lists the prefix for data capture log records.
| Field name | Data type | Field description |
|---|---|---|
| LL | H | The length of the log record, including an 8-byte log sequence number added by IMS to the end of the record |
| ZZ | H | Always zero |
| LOGCODE | XL1 | X'99' log record code |
| SUBCODE | XL1 | Data capture subcode |
| PST_NUMBER | H | PST number |
| RECOVTKN | XL16 | The recovery token for the unit-of-recovery, which is used to associate the commit log records or the abort log records for this unit-of-recovery |
| STORE_CLOCK | XL8 | The CPU store clock time stamp of the time the call completed and the log record was written |