SQL Server

JSON PathPrefix Example

Demonstrates the JSON object's PathPrefix property. SQL Server

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

    EXEC sp_OASetProperty @json, 'PathPrefix', 'company.billing.'

    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'company_name', 'TechNova Solutions Inc.'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'address_line_1', '123 Innovation Drive'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'address_line_2', 'Suite 450'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'city', 'Seattle'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'state_province', 'WA'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'postal_code', '98101'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'country', 'USA'

    EXEC sp_OASetProperty @json, 'EmitCompact', 0

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

    -- Result:

    -- {
    --   "company": {
    --     "billing": {
    --       "company_name": "TechNova Solutions Inc.",
    --       "address_line_1": "123 Innovation Drive",
    --       "address_line_2": "Suite 450",
    --       "city": "Seattle",
    --       "state_province": "WA",
    --       "postal_code": "98101",
    --       "country": "USA"
    --     }
    --   }
    -- }

    DECLARE @city nvarchar(4000)
    EXEC sp_OAMethod @json, 'StringOf', @city OUT, 'city'

    PRINT 'city = ' + @city

    EXEC @hr = sp_OADestroy @json


END
GO