json - キーなしで JSON 配列から要素を削除する

Question

SQL Server の JSON 配列から要素を削除する方法を探しています。JSON_MODIFY/OPENPATH を使用してみましたが、正しいパス パラメーターを取得できないようです。

これが私がやりたいことの例です：

[{"FieldName":"OrderStatusTypeId","FieldType":"Int32","ValueBefore":"8","ValueAfter":"10","Action":2},{"FieldName":"PatientReferenceNumber","FieldType":"String","ValueBefore":"","ValueAfter":"","Action":2}]

することが：

[{"FieldName":"OrderStatusTypeId","FieldType":"Int32","ValueBefore":"8","ValueAfter":"10","Action":2}]

基本的に、配列の要素を削除したいのですが、これにより、Actionは 2 でValueBeforeあり、ValueAfterフィールドは同じです。

テストとして現在試みているのは次のとおりですが、以下のエラーが引き続き発生します。

DECLARE @JSONData AS NVARCHAR(4000)  
SET @JSONData = N'[{"FieldName":"OrderStatusTypeId","FieldType":"Int32","ValueBefore":"8","ValueAfter":"10","Action":2},{"FieldName":"PatientReferenceNumber","FieldType":"String","ValueBefore":"","ValueAfter":"","Action":2},{"FieldName":"PoNumber","FieldType":"String","ValueBefore":"","ValueAfter":"","Action":2},{"FieldName":"ReferringPhysicianName","FieldType":"String","ValueBefore":"","ValueAfter":"","Action":2},{"FieldName":"InsuranceProvider","FieldType":"String","ValueBefore":"","ValueAfter":"","Action":2},{"FieldName":"TreatmentId","FieldType":"String","ValueBefore":"","ValueAfter":"","Action":2},{"FieldName":"RowVersion[6]","FieldType":"Byte","ValueBefore":"10","ValueAfter":"115","Action":2},{"FieldName":"OrderStatusType.Id","FieldType":"Int32","ValueBefore":"8","ValueAfter":"10","Action":2},{"FieldName":"OrderStatusType.Description","FieldType":"String","ValueBefore":"Delivered","ValueAfter":"Failed Logistics","Action":2},{"FieldName":"OrderStatusType.IsSelectable","FieldType":"Boolean","ValueBefore":"False","ValueAfter":"True","Action":2}]'

SELECT @JSONData = JSON_MODIFY(@JSONData, '$',
   JSON_QUERY(
      (
      SELECT *
      FROM OPENJSON(@JSONData, '$') WITH (
         FieldName nvarchar(1000) '$.FieldName',
         FieldType nvarchar(1000) '$.FieldType',
         ValueBefore nvarchar(1000) '$.ValueBefore',
         ValueAfter nvarchar(1000) '$.ValueAfter',
         Action int '$.Action'
      )
      WHERE Action <> 2 AND ValueBefore <> ValueAfter
      FOR JSON PATH
      )
   )
)

エラー：

メッセージ 13619、レベル 16、状態 1、行 4
JSON_MODIFY の引数 2 でサポートされていない JSON パスが見つかりました。

私が探している期待される出力は次のとおりです。

[{"FieldName":"OrderStatusTypeId","FieldType":"Int32","ValueBefore":"8","ValueAfter":"10","Action":2},{"FieldName":"RowVersion[6]","FieldType":"Byte","ValueBefore":"10","ValueAfter":"115","Action":2},{"FieldName":"OrderStatusType.Id","FieldType":"Int32","ValueBefore":"8","ValueAfter":"10","Action":2},{"FieldName":"OrderStatusType.Description","FieldType":"String","ValueBefore":"Delivered","ValueAfter":"Failed Logistics","Action":2},{"FieldName":"OrderStatusType.IsSelectable","FieldType":"Boolean","ValueBefore":"False","ValueAfter":"True","Action":2}]

正しい JSON パス値を計算するにはどうすればよいですか。オンラインで見つけたように見えるすべての例では、JSON 文字列のルート要素として配列がありません。

要素の順序は重要ではないことに注意してください。