(SQL Server) JSON Append String Array

Demonstrates how to append an array of strings from a string table object.

Note: This example uses the AppendStringTable method, which was introduced in Chilkat v9.5.0.67

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 @json int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @json, 'EmitCompact', 0

    DECLARE @success int
    EXEC sp_OAMethod @json, 'AppendString', @success OUT, 'abc', '123'

    DECLARE @st int
    -- Use "Chilkat_9_5_0.StringTable" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringTable', @st OUT

    EXEC sp_OAMethod @st, 'Append', @success OUT, 'a'
    EXEC sp_OAMethod @st, 'Append', @success OUT, 'b'
    EXEC sp_OAMethod @st, 'Append', @success OUT, 'c'
    EXEC sp_OAMethod @st, 'Append', @success OUT, 'd'

    EXEC sp_OAMethod @json, 'AppendStringArray', @success OUT, 'strArray', @st

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

    -- Output:

    -- 	{
    -- 	  "abc": "123",
    -- 	  "strArray": [
    -- 	    "a",
    -- 	    "b",
    -- 	    "c",
    -- 	    "d"
    -- 	  ]
    -- 	}

    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @st


END
GO