defines a sql-level multicolumn unique index |
Attributes
| name (4) | type | default value | required | constraints | description | options |
|---|---|---|---|---|---|---|
| name (name) | String | yes | size <= 64 unique | |||
| modification_date (modification date) | International date and time | yes |
latest modification time of an entity | |||
| cwuri (internal uri) | String | yes |
internal entity uri | |||
| creation_date (creation date) | International date and time | yes |
creation time of an entity |
Relations
CWUniqueTogetherConstraint is subject of:
| name (7) | object type | cardinality | constraints | options |
|---|---|---|---|---|
| constraint_of (constraint of) | CWEType (Entity type) | 1 | inlined,composite=object | |
| created_by (created by) | CWUser (User) | 0..1 | ||
| cw_source (source) | CWSource (Data source) | 1 | composite=object | |
| is (is) | CWEType (Entity type) | 1 | ||
| is_instance_of (is instance of) | CWEType (Entity type) | 1..n | ||
| owned_by (owned by) | CWUser (User) | 0..n | ||
| relations (relations) | CWRType (Relation type) | 1..n | RQLConstraint(DISTINCT Any O,S WHERE S constraint_of ET, RDEF relation_type O, RDEF from_entity ET, (O final TRUE) OR (O final FALSE, O inlined TRUE)) |