SQL Server

Merge SP-API JSON Order Arrays

See more Amazon SP-API Examples

Demonstrates how to merge JSON arrays for the case of Amazon SP-API orders. 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

    -- Batch 1 File
    DECLARE @a1 nvarchar(4000)
    SELECT @a1 = '{"payload": {"Orders": [{"AmazonOrderId": "1","OrderStatus": "Unshipped"},{"AmazonOrderId": "2","OrderStatus": "Unshipped"}]}'

    -- Batch 2 File
    DECLARE @a2 nvarchar(4000)
    SELECT @a2 = '{"payload": {"Orders": [{"AmazonOrderId": "3","OrderStatus": "Unshipped"},{"AmazonOrderId": "4","OrderStatus": "Unshipped"}]}'

    -- Required Merged File
    -- {"payload": {"Orders": [{"AmazonOrderId": "1","OrderStatus": "Unshipped"},{"AmazonOrderId": "2","OrderStatus": "Unshipped"},{"AmazonOrderId": "3","OrderStatus": "Unshipped"},{"AmazonOrderId": "4","OrderStatus": "Unshipped"}]}

    SELECT @success = 1
    DECLARE @json1 int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json1 OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @json1, 'Load', @success OUT, @a1

    DECLARE @json2 int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json2 OUT

    EXEC sp_OAMethod @json2, 'Load', @success OUT, @a2

    -- We're going to add the order records from json2 to json1.
    DECLARE @jarr1 int
    EXEC sp_OAMethod @json1, 'ArrayOf', @jarr1 OUT, 'payload.Orders'
    DECLARE @jarr2 int
    EXEC sp_OAMethod @json2, 'ArrayOf', @jarr2 OUT, 'payload.Orders'

    DECLARE @i int
    SELECT @i = 0
    DECLARE @numOrders int
    EXEC sp_OAGetProperty @jarr2, 'Size', @numOrders OUT
    WHILE (@i < @numOrders)
      BEGIN
        DECLARE @jOrder int
        EXEC sp_OAMethod @jarr2, 'ObjectAt', @jOrder OUT, @i
        -- Assuming non-null return...
        EXEC sp_OAMethod @jarr1, 'AddObjectCopyAt', @success OUT, -1, @jOrder
        SELECT @i = @i + 1
      END

    -- Show the merged JSON.
    EXEC sp_OASetProperty @json1, 'EmitCompact', 0
    EXEC sp_OAMethod @json1, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    -- Result:

    -- {
    --   "payload": {
    --     "Orders": [
    --       {
    --         "AmazonOrderId": "1",
    --         "OrderStatus": "Unshipped"
    --       },
    --       {
    --         "AmazonOrderId": "2",
    --         "OrderStatus": "Unshipped"
    --       },
    --       {
    --         "AmazonOrderId": "3",
    --         "OrderStatus": "Unshipped"
    --       },
    --       {
    --         "AmazonOrderId": "4",
    --         "OrderStatus": "Unshipped"
    --       }
    --     ]
    --   }
    -- }

    EXEC @hr = sp_OADestroy @json1
    EXEC @hr = sp_OADestroy @json2


END
GO