union.json

{
  "title": "union",
  "description": "TBD",
  "fhirVersion": ["5.0.0", "4.0.1", "3.0.2"],
  "resources": [
    {
      "resourceType": "Patient",
      "id": "pt1",
      "telecom": [
        {
          "value": "t1.1",
          "system": "phone"
        },
        {
          "value": "t1.2",
          "system": "fax"
        },
        {
          "value": "t1.3",
          "system": "email"
        }
      ],
      "contact": [
        {
          "telecom": [
            {
              "value": "t1.c1.1",
              "system": "pager"
            }
          ]
        },
        {
          "telecom": [
            {
              "value": "t1.c2.1",
              "system": "url"
            },
            {
              "value": "t1.c2.2",
              "system": "sms"
            }
          ]
        }
      ]
    },
    {
      "resourceType": "Patient",
      "id": "pt2",
      "telecom": [
        {
          "value": "t2.1",
          "system": "phone"
        },
        {
          "value": "t2.2",
          "system": "fax"
        }
      ]
    },
    {
      "resourceType": "Patient",
      "id": "pt3",
      "contact": [
        {
          "telecom": [
            {
              "value": "t3.c1.1",
              "system": "email"
            },
            {
              "value": "t3.c1.2",
              "system": "pager"
            }
          ]
        },
        {
          "telecom": [
            {
              "value": "t3.c2.1",
              "system": "sms"
            }
          ]
        }
      ]
    },
    {
      "resourceType": "Patient",
      "id": "pt4"
    }
  ],
  "tests": [
    {
      "title": "basic",
      "tags": ["shareable"],
      "view": {
        "resource": "Patient",
        "status": "active",
        "select": [
          {
            "column": [
              {
                "name": "id",
                "path": "id",
                "type": "id"
              }
            ]
          },
          {
            "unionAll": [
              {
                "forEach": "telecom",
                "column": [
                  {
                    "name": "tel",
                    "path": "value",
                    "type": "string"
                  },
                  {
                    "name": "sys",
                    "path": "system",
                    "type": "code"
                  }
                ]
              },
              {
                "forEach": "contact.telecom",
                "column": [
                  {
                    "name": "tel",
                    "path": "value",
                    "type": "string"
                  },
                  {
                    "name": "sys",
                    "path": "system",
                    "type": "code"
                  }
                ]
              }
            ]
          }
        ]
      },
      "expect": [
        {
          "tel": "t1.1",
          "sys": "phone",
          "id": "pt1"
        },
        {
          "tel": "t1.2",
          "sys": "fax",
          "id": "pt1"
        },
        {
          "tel": "t1.3",
          "sys": "email",
          "id": "pt1"
        },
        {
          "tel": "t1.c1.1",
          "sys": "pager",
          "id": "pt1"
        },
        {
          "tel": "t1.c2.1",
          "sys": "url",
          "id": "pt1"
        },
        {
          "tel": "t1.c2.2",
          "sys": "sms",
          "id": "pt1"
        },
        {
          "tel": "t2.1",
          "sys": "phone",
          "id": "pt2"
        },
        {
          "tel": "t2.2",
          "sys": "fax",
          "id": "pt2"
        },
        {
          "tel": "t3.c1.1",
          "sys": "email",
          "id": "pt3"
        },
        {
          "tel": "t3.c1.2",
          "sys": "pager",
          "id": "pt3"
        },
        {
          "tel": "t3.c2.1",
          "sys": "sms",
          "id": "pt3"
        }
      ]
    },
    {
      "title": "unionAll + column",
      "tags": ["shareable"],
      "view": {
        "resource": "Patient",
        "status": "active",
        "select": [
          {
            "column": [
              {
                "name": "id",
                "path": "id",
                "type": "id"
              }
            ],
            "unionAll": [
              {
                "forEach": "telecom",
                "column": [
                  {
                    "name": "tel",
                    "path": "value",
                    "type": "string"
                  },
                  {
                    "name": "sys",
                    "path": "system",
                    "type": "code"
                  }
                ]
              },
              {
                "forEach": "contact.telecom",
                "column": [
                  {
                    "name": "tel",
                    "path": "value",
                    "type": "string"
                  },
                  {
                    "name": "sys",
                    "path": "system",
                    "type": "code"
                  }
                ]
              }
            ]
          }
        ]
      },
      "expect": [
        {
          "tel": "t1.1",
          "sys": "phone",
          "id": "pt1"
        },
        {
          "tel": "t1.2",
          "sys": "fax",
          "id": "pt1"
        },
        {
          "tel": "t1.3",
          "sys": "email",
          "id": "pt1"
        },
        {
          "tel": "t1.c1.1",
          "sys": "pager",
          "id": "pt1"
        },
        {
          "tel": "t1.c2.1",
          "sys": "url",
          "id": "pt1"
        },
        {
          "tel": "t1.c2.2",
          "sys": "sms",
          "id": "pt1"
        },
        {
          "tel": "t2.1",
          "sys": "phone",
          "id": "pt2"
        },
        {
          "tel": "t2.2",
          "sys": "fax",
          "id": "pt2"
        },
        {
          "tel": "t3.c1.1",
          "sys": "email",
          "id": "pt3"
        },
        {
          "tel": "t3.c1.2",
          "sys": "pager",
          "id": "pt3"
        },
        {
          "tel": "t3.c2.1",
          "sys": "sms",
          "id": "pt3"
        }
      ]
    },
    {
      "title": "duplicates",
      "tags": ["shareable"],
      "view": {
        "resource": "Patient",
        "status": "active",
        "select": [
          {
            "column": [
              {
                "name": "id",
                "path": "id",
                "type": "id"
              }
            ],
            "unionAll": [
              {
                "forEach": "telecom",
                "column": [
                  {
                    "name": "tel",
                    "path": "value",
                    "type": "string"
                  },
                  {
                    "name": "sys",
                    "path": "system",
                    "type": "code"
                  }
                ]
              },
              {
                "forEach": "telecom",
                "column": [
                  {
                    "name": "tel",
                    "path": "value",
                    "type": "string"
                  },
                  {
                    "name": "sys",
                    "path": "system",
                    "type": "code"
                  }
                ]
              }
            ]
          }
        ]
      },
      "expect": [
        {
          "tel": "t1.1",
          "sys": "phone",
          "id": "pt1"
        },
        {
          "tel": "t1.2",
          "sys": "fax",
          "id": "pt1"
        },
        {
          "tel": "t1.3",
          "sys": "email",
          "id": "pt1"
        },
        {
          "tel": "t1.1",
          "sys": "phone",
          "id": "pt1"
        },
        {
          "tel": "t1.2",
          "sys": "fax",
          "id": "pt1"
        },
        {
          "tel": "t1.3",
          "sys": "email",
          "id": "pt1"
        },
        {
          "tel": "t2.1",
          "sys": "phone",
          "id": "pt2"
        },
        {
          "tel": "t2.2",
          "sys": "fax",
          "id": "pt2"
        },
        {
          "tel": "t2.1",
          "sys": "phone",
          "id": "pt2"
        },
        {
          "tel": "t2.2",
          "sys": "fax",
          "id": "pt2"
        }
      ]
    },
    {
      "title": "empty results",
      "tags": ["shareable"],
      "view": {
        "resource": "Patient",
        "status": "active",
        "select": [
          {
            "column": [
              {
                "name": "id",
                "path": "id",
                "type": "id"
              }
            ],
            "unionAll": [
              {
                "forEach": "name",
                "column": [
                  {
                    "name": "given",
                    "path": "given",
                    "type": "string"
                  }
                ]
              },
              {
                "forEach": "name",
                "column": [
                  {
                    "name": "given",
                    "path": "given",
                    "type": "string"
                  }
                ]
              }
            ]
          }
        ]
      },
      "expect": []
    },
    {
      "title": "empty with forEachOrNull",
      "tags": ["shareable"],
      "view": {
        "resource": "Patient",
        "status": "active",
        "select": [
          {
            "column": [
              {
                "name": "id",
                "path": "id",
                "type": "id"
              }
            ],
            "unionAll": [
              {
                "forEachOrNull": "name",
                "column": [
                  {
                    "name": "given",
                    "path": "given",
                    "type": "string"
                  }
                ]
              },
              {
                "forEachOrNull": "name",
                "column": [
                  {
                    "name": "given",
                    "path": "given",
                    "type": "string"
                  }
                ]
              }
            ]
          }
        ]
      },
      "expect": [
        {
          "given": null,
          "id": "pt1"
        },
        {
          "given": null,
          "id": "pt1"
        },
        {
          "given": null,
          "id": "pt2"
        },
        {
          "given": null,
          "id": "pt2"
        },
        {
          "given": null,
          "id": "pt3"
        },
        {
          "given": null,
          "id": "pt3"
        },
        {
          "given": null,
          "id": "pt4"
        },
        {
          "given": null,
          "id": "pt4"
        }
      ]
    },
    {
      "title": "forEachOrNull and forEach",
      "tags": ["shareable"],
      "view": {
        "resource": "Patient",
        "status": "active",
        "select": [
          {
            "column": [
              {
                "name": "id",
                "path": "id",
                "type": "id"
              }
            ],
            "unionAll": [
              {
                "forEach": "name",
                "column": [
                  {
                    "name": "given",
                    "path": "given",
                    "type": "string"
                  }
                ]
              },
              {
                "forEachOrNull": "name",
                "column": [
                  {
                    "name": "given",
                    "path": "given",
                    "type": "string"
                  }
                ]
              }
            ]
          }
        ]
      },
      "expect": [
        {
          "given": null,
          "id": "pt1"
        },
        {
          "given": null,
          "id": "pt2"
        },
        {
          "given": null,
          "id": "pt3"
        },
        {
          "given": null,
          "id": "pt4"
        }
      ]
    },
    {
      "title": "nested",
      "tags": ["shareable"],
      "view": {
        "resource": "Patient",
        "status": "active",
        "select": [
          {
            "column": [
              {
                "name": "id",
                "path": "id",
                "type": "id"
              }
            ],
            "unionAll": [
              {
                "forEach": "telecom[0]",
                "column": [
                  {
                    "name": "tel",
                    "path": "value",
                    "type": "string"
                  }
                ]
              },
              {
                "unionAll": [
                  {
                    "forEach": "telecom[0]",
                    "column": [
                      {
                        "name": "tel",
                        "path": "value",
                        "type": "string"
                      }
                    ]
                  },
                  {
                    "forEach": "contact.telecom[0]",
                    "column": [
                      {
                        "name": "tel",
                        "path": "value",
                        "type": "string"
                      }
                    ]
                  }
                ]
              }
            ]
          }
        ]
      },
      "expect": [
        {
          "id": "pt1",
          "tel": "t1.1"
        },
        {
          "id": "pt1",
          "tel": "t1.1"
        },
        {
          "id": "pt1",
          "tel": "t1.c1.1"
        },
        {
          "id": "pt2",
          "tel": "t2.1"
        },
        {
          "id": "pt2",
          "tel": "t2.1"
        },
        {
          "id": "pt3",
          "tel": "t3.c1.1"
        }
      ]
    },
    {
      "title": "one empty operand",
      "tags": ["shareable"],
      "view": {
        "resource": "Patient",
        "status": "active",
        "select": [
          {
            "column": [
              {
                "name": "id",
                "path": "id",
                "type": "id"
              }
            ]
          },
          {
            "unionAll": [
              {
                "forEach": "telecom.where(false)",
                "column": [
                  {
                    "name": "tel",
                    "path": "value",
                    "type": "string"
                  },
                  {
                    "name": "sys",
                    "path": "system",
                    "type": "code"
                  }
                ]
              },
              {
                "forEach": "contact.telecom",
                "column": [
                  {
                    "name": "tel",
                    "path": "value",
                    "type": "string"
                  },
                  {
                    "name": "sys",
                    "path": "system",
                    "type": "code"
                  }
                ]
              }
            ]
          }
        ]
      },
      "expect": [
        {
          "id": "pt1",
          "sys": "pager",
          "tel": "t1.c1.1"
        },
        {
          "id": "pt1",
          "sys": "url",
          "tel": "t1.c2.1"
        },
        {
          "id": "pt1",
          "sys": "sms",
          "tel": "t1.c2.2"
        },
        {
          "id": "pt3",
          "sys": "email",
          "tel": "t3.c1.1"
        },
        {
          "id": "pt3",
          "sys": "pager",
          "tel": "t3.c1.2"
        },
        {
          "id": "pt3",
          "sys": "sms",
          "tel": "t3.c2.1"
        }
      ]
    },
    {
      "title": "column mismatch",
      "tags": ["shareable"],
      "view": {
        "resource": "Patient",
        "status": "active",
        "select": [
          {
            "unionAll": [
              {
                "column": [
                  {
                    "name": "a",
                    "path": "id",
                    "type": "id"
                  },
                  {
                    "name": "b",
                    "path": "id",
                    "type": "id"
                  }
                ]
              },
              {
                "column": [
                  {
                    "name": "a",
                    "path": "id",
                    "type": "id"
                  },
                  {
                    "name": "c",
                    "path": "id",
                    "type": "id"
                  }
                ]
              }
            ]
          }
        ]
      },
      "expectError": true
    },
    {
      "title": "column order mismatch",
      "tags": ["shareable"],
      "view": {
        "resource": "Patient",
        "status": "active",
        "select": [
          {
            "unionAll": [
              {
                "column": [
                  {
                    "name": "a",
                    "path": "id",
                    "type": "id"
                  },
                  {
                    "name": "b",
                    "path": "id",
                    "type": "id"
                  }
                ]
              },
              {
                "column": [
                  {
                    "name": "b",
                    "path": "id",
                    "type": "id"
                  },
                  {
                    "name": "a",
                    "path": "id",
                    "type": "id"
                  }
                ]
              }
            ]
          }
        ]
      },
      "expectError": true
    }
  ]
}