(SQL Server) Create JSON Array of Strings

Demonstrates how to create a JSON array of strings.

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)
    -- The goal of this example is to produce this:

    -- [
    --   "tag1",
    --   "tag2",
    --   "tag3"
    -- ]

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

    DECLARE @success int
    EXEC sp_OAMethod @jarr, 'AddStringAt', @success OUT, -1, 'tag1'
    EXEC sp_OAMethod @jarr, 'AddStringAt', @success OUT, -1, 'tag2'
    EXEC sp_OAMethod @jarr, 'AddStringAt', @success OUT, -1, 'tag3'

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

    EXEC @hr = sp_OADestroy @jarr


END
GO