(SQL Server) Example: JsonObject.NewObjectOf method

Demonstrates the NewObjectOf method.

Note: This example requires Chilkat v11.4.0 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    DECLARE @car nvarchar(4000)
    SELECT @car = '{"make":"Toyota","model":"Camry","year":2022,"color":"silver","engine":{"type":"inline-4","fuel":"gasoline","horsepower":203},"features":["bluetooth","backup camera","adaptive cruise control","lane assist"],"isElectric":false}'

    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'test', 'abc'

    EXEC sp_OAMethod @json, 'NewObjectOf', @success OUT, 'car', @car
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @json, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @json
        RETURN
      END

    EXEC sp_OASetProperty @json, 'EmitCompact', 0
    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    -- Result:

    -- {
    --   "test": "abc",
    --   "car": {
    --     "make": "Toyota",
    --     "model": "Camry",
    --     "year": 2022,
    --     "color": "silver",
    --     "engine": {
    --       "type": "inline-4",
    --       "fuel": "gasoline",
    --       "horsepower": 203
    --     },
    --     "features": [
    --       "bluetooth",
    --       "backup camera",
    --       "adaptive cruise control",
    --       "lane assist"
    --     ],
    --     "isElectric": false
    --   }
    -- }

    EXEC @hr = sp_OADestroy @json


END
GO