2018-09-27 19:09:54 +00:00
|
|
|
The LOCATION HISTORY table stores relationships between Persons or Care Sites and geographic locations over time.
|
|
|
|
|
|
|
|
|
|
Field|Required|Type|Description
|
|
|
|
|
:------------------------------|:--------|:------------|:----------------------------------------------
|
|
|
|
|
|location_id |Yes|integer|A foreign key to the location table.|
|
2018-10-04 17:27:33 +00:00
|
|
|
|relationship_type_concept_id |Yes|varchar(50)|The type of relationship between location and entity.|
|
2018-09-27 19:09:54 +00:00
|
|
|
|domain_id |Yes|varchar(50)|The domain of the entity that is related to the location. Either PERSON, PROVIDER, or CARE_SITE.|
|
|
|
|
|
|entity_id |Yes|integer|The unique identifier for the entity. References either person_id, provider_id, or care_site_id, depending on domain_id.|
|
|
|
|
|
|start_date |Yes|date|The date the relationship started.|
|
|
|
|
|
|end_date |No|date|The date the relationship ended.|
|
|
|
|
|
|
|
|
|
|
### Conventions
|
|
|
|
|
|
|
|
|
|
No.|Convention Description
|
|
|
|
|
:--------|:------------------------------------
|
|
|
|
|
| 1 | The entities (and permissible domains) with related locations are: Persons (PERSON), Providers (PROVIDER), and Care Sites (CARE_SITE). |
|
|
|
|
|
| 2 | DOMAIN_ID specifies which table the ENTITY_ID refers to |
|
|
|
|
|
| 3 | Locations and entities are static. Relationships between locations and entities are dynamic. |
|
|
|
|
|
| 4 | When the domain is PERSON, the permissible values of relationship_type are: 'residence', 'work site', 'school'. |
|
|
|
|
|
| 5 | When the domain is CARE_SITE, the value of relationship_type is NULL. |
|
|
|
|
|
| 6 | When the domain is PROVIDER, the value of relationship_type is 'office'. |
|
