CMAR segment type format
The IMS catalog CMAR segment type contains information about a field marshaller definition in an IMS database that applies only to a specific case of a segment type format.
- Segment name
- CMAR
- Parent name
- CFLD
- Sequence field
- MARSHSEQ
- Segment length
- 704 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 | MARSHSEQ | Sequence field, type = U | X | |
| 5 | 2 | X | SEQNUM | Sequence number | ||
| 9 | 8 | C | OVERFLOW | Reserved | ||
| 17 | 1 | C | SIGN | For data with the data type of DECIMAL (data that uses either the PACKEDDECIMAL or ZONEDDECIMAL internal type converter), this field indicates if the data is a signed decimal value. | ||
| 18 | 6 | C | FILLER01 | Reserved | ||
| 24 | 25 | C | ENCODING | Identifies the encoding type (code page) of the data in the field identified by the parent FLD segment | ||
| 49 | 50 | C | PATTERN | Identifies the pattern mask to convert the data in the field identified by the parent FLD segment into a Java™ date object | ||
| 99 | 30 | C | ITYPCONV | Identifies the internal type converter for the parent FLD segment. If this field contains data, the UTYPCONV field contains blanks. The internal type converter is used to convert IMS data to a specific type of Java data object. | ||
| 129 | 256 | C | UTYPCONV | Identifies the user type converter for the parent FLD segment. If this field contains data, the ITYPCONV field contains blanks. | ||
| 385 | 256 | C | URL | Reserved | ||
| 641 | 64 | C | FILLER02 | Reserved | ||