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documentation:next_cdm:schema_revisions [2017/12/18 00:20] chrisknoll |
documentation:next_cdm:schema_revisions [2018/02/12 20:23] (current) patrick_ryan [Proposal] |
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* The cohort, cohort_definition, cohort_attribute and attribute_definition tables move from the CDM specification to the results schema specification. | * The cohort, cohort_definition, cohort_attribute and attribute_definition tables move from the CDM specification to the results schema specification. | ||
* The results schema specification will be managed by a database migration package that will be developed leveraging [[https://flywaydb.org/|Flyway]]. | * The results schema specification will be managed by a database migration package that will be developed leveraging [[https://flywaydb.org/|Flyway]]. | ||
- | * The table in the OHDSI schema named cohort_definition will be renamed as to avoid table name collision with the results schema specified cohort_definition table. | + | * The table in the OHDSI schema named cohort_definition and the result schema table 'cohort_definition' should not use the same name to avoid confusion. Option 1: Rename 'cohort_definition' in the OHDSI schema. Option 2: Rename 'cohort_definition' in the results schema. Since 'cohort_definition' is being moved from CDM to results schema, it seems least disruptive to pursue Option 2. |
== Background == | == Background == |