{
  "description": "Enable composition and execution of a query.",
  "_filename": "OperationDefinition-daf-execute-query.json",
  "package_name": "hl7.fhir.us.daf",
  "date": "2016-07-24",
  "system": true,
  "publisher": null,
  "instance": false,
  "name": "Execute Query",
  "type": "false",
  "experimental": null,
  "resourceType": "OperationDefinition",
  "title": null,
  "package_version": "1.8.0",
  "status": "draft",
  "id": "904f3c4b-29fa-4e27-99ab-c9d2d2d08f93",
  "kind": "operation",
  "comment": "Pilots underway in PCORNet",
  "url": "http://hl7.org/fhir/us/daf-research/OperationDefinition/daf-execute-query",
  "code": "execute-query",
  "base": {
    "reference": "OperationDefinition/daf-execute-query"
  },
  "version": null,
  "parameter": [ {
    "max": "1",
    "min": 1,
    "use": "in",
    "name": "queryformat",
    "type": "CodeableConcept",
    "documentation": "The format of the actual query (e.g SAS, SQL).This will be used by the Data Marts to determine how to execute the query."
  }, {
    "max": "1",
    "min": 1,
    "use": "in",
    "name": "queryFormatVersion",
    "type": "string",
    "documentation": "The version of the queryFormat that was used to construct the query."
  }, {
    "max": "1",
    "min": 1,
    "use": "in",
    "name": "dataModel",
    "type": "CodeableConcept",
    "documentation": "The data model that was used to construct the query."
  }, {
    "max": "1",
    "min": 1,
    "use": "in",
    "name": "querypackage",
    "type": "string",
    "documentation": "The actual query string."
  }, {
    "max": "1",
    "min": 0,
    "use": "in",
    "name": "instructions",
    "type": "string",
    "documentation": "The actual query string."
  }, {
    "max": "1",
    "min": 0,
    "use": "in",
    "name": "queryResultsPhiDisclosureLevel",
    "type": "string",
    "documentation": "The parameter indicates whether Aggregate, De-Identified, Patient Level data is expected as part of the query results. By default only aggregate data would be returned. "
  }, {
    "max": "1",
    "min": 0,
    "use": "out",
    "name": "return",
    "type": "Bundle",
    "documentation": "A Bundle containing the resulting data. "
  }, {
    "max": "1",
    "min": 0,
    "use": "out",
    "name": "issues",
    "type": "OperationOutcome",
    "documentation": "A list of hints and warnings about problems encountered while executing the query. These might be shown to the user as an advisory note. Note: if the query cannot be executed at all, then the operation should fail, and an OperationOutcome is returned directly with the failure, rather than using this parameter. "
  } ]
}