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documentation:next_cdm:location_history [2016/10/14 15:56]
gowtham_rao Changed based on new discussion
documentation:next_cdm:location_history [2016/10/14 18:15] (current)
gowtham_rao [Table]
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 === Proposal === === Proposal ===
  
-The location_id in the Person table is only capable of storing a single location address for an individual. We want to be able to know where a person'​s location was for a given date-time. This maybe solved using a location_history table, which acts as a relational entity between Person and Location. ​+The location_id in the Person table is only capable of storing a single location address for an individual. We want to know where a person'​s location was for a given date-time. This maybe solved using a location_history table, which acts as a relational entity between Person and Location. ​
  
 There are several things to consider here: There are several things to consider here:
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 It was agreed that the location_id in person table would represent the current location of the person. It was agreed that the location_id in person table would represent the current location of the person.
  
-It was discussed that location_history may need to be generalized to include device, care site, provider etc.+It was discussed that location_history may need to be generalized to include device, care site, provider etc. **How do we do that?** 
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 +| **location_history_id** ​ | **entity_domain_id** ​ | **entity_id** ​  | **location_id** ​ | **start_date** ​ | **start_time** ​ | **end_date** ​ | **end_time** ​ | 
 +| res1                     | person ​               | person_id_1 ​    | location1 ​       | May 1985        | 24:00           | -             | -             | 
 +| res2                     | provider ​             | provider_id_1 ​  | location1 ​       | May 1985        | -               | -             | -             | 
 +| res3                     | care_site ​            | care_site_id_1 ​ | location2 ​       | July 2011       | -               | June 2012     | -             | 
 +| res4                     | person ​               | person_id_2 ​    | location3 ​       | July 2012       | 14:55           | August 2012   | 21:00         | 
  
  
documentation/next_cdm/location_history.1476460613.txt.gz · Last modified: 2016/10/14 15:56 by gowtham_rao