(SQL Server) XML EmitCompact

Demonstrates the XML EmitCompact property to generate XML that is not pretty-printed, but is instead compact with whitespace removed.

Note: This example requires Chilkat v9.5.0.64 or later.

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)
    -- Note: This example requires Chilkat v9.5.0.64 or later.
    DECLARE @xml int
    -- Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @xml, 'Tag', 'aaa'
    EXEC sp_OAMethod @xml, 'NewChild2', NULL, 'red|green|blue', 'sky'

    -- Show the XML in normal indented (pretty-printed) format:
    EXEC sp_OAMethod @xml, 'GetXml', @sTmp0 OUT
    PRINT @sTmp0

    -- The output:

    -- 	<?xml version="1.0" encoding="utf-8" ?>
    -- 	<aaa>
    -- 	    <red>
    -- 	        <green>
    -- 	            <blue>sky</blue>
    -- 	        </green>
    -- 	    </red>
    -- 	</aaa>

    -- Now set the EmitCompact property.
    EXEC sp_OASetProperty @xml, 'EmitCompact', 1

    -- Show the XML in compact form:
    EXEC sp_OAMethod @xml, 'GetXml', @sTmp0 OUT
    PRINT @sTmp0

    -- The compact output:

    -- 	<?xml version="1.0" encoding="utf-8" ?>
    -- 	<aaa><red><green><blue>sky</blue></green></red></aaa>
    -- 

    EXEC @hr = sp_OADestroy @xml


END
GO