LCH2IDX segment type format
The IMS catalog LCH2IDX segment type contains information about a Fast Path secondary index specified on the LCHILD statement defined in the parent LCHILD segment.
- Segment name
- LCH2IDX
- Parent name
- LCHILD
- Sequence field
- LCH2ISEQ
- Segment length
- 24 bytes
| Offset (bytes) | Length (bytes) | Data type | Field name | Description | Unique key field | |
|---|---|---|---|---|---|---|
| 1 | 2 | X | LEN | Length of this segment | ||
| 3 | 2 | X | CTL | Control field | ||
| 5 | 2 | X | LCH2ISEQ | Sequence field, type = U | X | |
| 5 | 2 | X | SEQNUM | Sequence number | ||
| 7 | 2 | C | FILLER01 | Reserved | ||
| 9 | 8 | C | IMSNAME | IMS name | ||
| 17 | 8 | C | DBDNAME | Target secondary index name | ||