{
  "resourceType" : "https://sql-on-fhir.org/ig/StructureDefinition/ViewDefinition",
  "name" : "MeasurementBloodPressure",
  "status" : "draft",
  "description" : "Vue se rapprochant de la table OMOP measurement, pour les pressions artérielles",
  "resource" : "Observation",
  "select" : [{
    "column" : [{
      "path" : "id",
      "name" : "measurement_id"
    },
    {
      "path" : "subject.reference",
      "name" : "person_id"
    },
    {
      "path" : "encounter.reference",
      "name" : "visit_occurrence_id"
    },
    {
      "path" : "encounter.reference",
      "name" : "visit_detail_id"
    },
    {
      "path" : "effectiveDateTime",
      "name" : "measurement_date"
    },
    {
      "path" : "0",
      "name" : "measurement_concept_id"
    },
    {
      "path" : "44818702",
      "name" : "measurement_type_concept_id"
    },
    {
      "path" : "id",
      "name" : "measurement_event_id"
    }]
  },
  {
    "column" : [{
      "path" : "code.coding.first().display",
      "name" : "measurement_source_value"
    },
    {
      "path" : "code.coding.first().code",
      "name" : "measurement_source_concept_id"
    },
    {
      "path" : "code.coding.first().system",
      "name" : "measurement_coding_source_system"
    },
    {
      "path" : "valueQuantity.where($this is Quantity).value",
      "name" : "value_as_number"
    },
    {
      "path" : "valueQuantity.code",
      "name" : "unit_concept_id"
    },
    {
      "path" : "valueQuantity.unit",
      "name" : "unit_source_value"
    }],
    "forEach" : "component"
  }],
  "where" : [{
    "path" : "component.exists()"
  }]
}