SQL Server

Append New Item to JSON Array

See more JSON Examples

Demonstrates the notations that can be used in a JSON array index to append to the end of an array. SQL Server

--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    --  Starting in Chilkat v9.5.0.77, the following notations are possible to specify that the value
    --  should be appended to the end of the array. (In other words, if the array currenty has N elements, then "-1", "", or "*" 
    --  indicate an index of N+1.

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

    DECLARE @success int
    EXEC sp_OAMethod @json, 'UpdateInt', @success OUT, 'lanes[-1]', 0
    EXEC sp_OAMethod @json, 'UpdateInt', @success OUT, 'lanes[]', 1
    EXEC sp_OAMethod @json, 'UpdateInt', @success OUT, 'lanes[*]', 2
    EXEC sp_OAMethod @json, 'UpdateInt', @success OUT, 'lanes[-1]', 3

    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    --  Output is:  {"lanes":[0,1,2,3]}

    EXEC @hr = sp_OADestroy @json


END
GO