JSON_MODIFY技巧/限制 - SQL Server

Posted by: bart30508 | in SQL Server | 2 months ago |

前陣子同事詢問到此Function - Json_Modify,他想要改變的是JSON Array,因此我提供以下解法。

DECLARE @index INT = 0
DECLARE @para NVARCHAR(100) = '$[' + convert(NVARCHAR(5), @index) + '].ValueAfter'
DECLARE @NewCurrentStep NVARCHAR(100) = 'test'
DECLARE @Changes NVARCHAR(100) = '[{"ValueAfter":"John","skills":["C#","SQL"]}]'

SET @Changes = Json_Modify(@Changes, @para, @NewCurrentStep)

PRINT (@Changes)

然而同事卻一直測試不過,原來是Dev是SQL Server 2016 Developer Version,不支援JSON Arrray!

Json_Modify

https://docs.microsoft.com/en-us/sql/t-sql/functions/json-modify-transact-sql?view=sql-server-ver15

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