Attachment - Fetch

Retrieve ServiceNow attachment metadata using SQL Server

Prerequisites:

See SQLHTTP easy setup for ServiceNow
See API Call documentation for parameter values and other information
Create the stored procedure documented below

Stored Procedure:


CREATE PROCEDURE usp_ServiceNow_Attachment_Fetch(
		@Profile nvarchar(100),
		@Sys_id varchar(50),
		@Response nvarchar(MAX) OUTPUT,
		@StatusCode int OUTPUT,
		@StatusDescription nvarchar(MAX) OUTPUT)

AS

DECLARE @URL nvarchar(MAX)
DECLARE @QueryString varchar(MAX)
DECLARE @UserName nvarchar(4000)
DECLARE @Password nvarchar(4000)
DECLARE @HTTPSessionID uniqueidentifier

SET @URL = SQLHTTP.net.AuthParam(@Profile, 'Domain') 

EXEC SQLHTTP.net.UrlBuilder 	@URL OUTPUT,
				@Profile, 
				'api', 'now',
				'attachment', @Sys_id

EXEC SQLHTTP.net.HTTPSession @HTTPSessionID OUTPUT

SET @UserName = SQLHTTP.net.AuthParam(@Profile, 'UserName')
SET @Password = SQLHTTP.net.AuthParam(@Profile, 'Password')

EXEC SQLHTTP.net.BasicAuthHeader @HttpSessionID, @UserName, @Password

EXEC SQLHTTP.net.HTTPRequest    @HttpSessionID,
				@URL = @URL,
				@Method = 'GET',
				@Accept = 'application/xml',
				@StatusCode = @StatusCode OUTPUT,
				@StatusDescription = @StatusDescription OUTPUT,
				@Response = @Response OUTPUT

GO

CREATE PROCEDURE usp_ServiceNow_Attachment_Fetch(

@Profile nvarchar(100),

@Sys_id varchar(50),

@Response nvarchar(MAX) OUTPUT,

@StatusCode int OUTPUT,

@StatusDescription nvarchar(MAX) OUTPUT)

DECLARE @URL nvarchar(MAX)

DECLARE @QueryString varchar(MAX)

DECLARE @UserName nvarchar(4000)

DECLARE @Password nvarchar(4000)

DECLARE @HTTPSessionID uniqueidentifier

SET @URL = SQLHTTP.net.AuthParam(@Profile, 'Domain')

EXEC SQLHTTP.net.UrlBuilder @URL OUTPUT,

@Profile,

'api', 'now',

'attachment', @Sys_id

EXEC SQLHTTP.net.HTTPSession @HTTPSessionID OUTPUT

SET @UserName = SQLHTTP.net.AuthParam(@Profile, 'UserName')

SET @Password = SQLHTTP.net.AuthParam(@Profile, 'Password')

EXEC SQLHTTP.net.BasicAuthHeader @HttpSessionID, @UserName, @Password

EXEC SQLHTTP.net.HTTPRequest @HttpSessionID,

@URL = @URL,

@Method = 'GET',

@Accept = 'application/xml',

@StatusCode = @StatusCode OUTPUT,

@StatusDescription = @StatusDescription OUTPUT,

@Response = @Response OUTPUT

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Sample Usage:


DECLARE @Response nvarchar(MAX)
DECLARE @StatusCode int
DECLARE @StatusDescription nvarchar(MAX)

EXEC usp_ServiceNow_Attachment_Fetch
		@Profile = 'My ServiceNow',
		@Sys_id = 'f5d469d74ff1120031577d2ca310c7c1',
		@Response = @Response OUTPUT, 
		@StatusCode = @StatusCode OUTPUT, 
		@StatusDescription = @StatusDescription OUTPUT

IF @StatusCode >= 400
	EXEC SQLHTTP.net.RaiseHttpError @StatusCode, @StatusDescription, @Response
ELSE
	BEGIN

		DECLARE @X xml
		SET @X = CONVERT(xml, CONVERT(varchar(MAX), @Response))

		--The XPath syntax below was easily generated by executing the following commands:
		--EXEC SQLHTTP.net.XQueryHelper @X
		--and then executing: 
		--EXEC SQLHTTP.net.XQueryHelper @X, 'response/result' --

		SELECT T.C.value(N'sys_id[1]', N'nvarchar(MAX)') AS [sys_id]
		      ,T.C.value(N'file_name[1]', N'nvarchar(MAX)') AS [file_name]
		      ,T.C.value(N'size_bytes[1]', N'nvarchar(MAX)') AS [size_bytes]
		      ,T.C.value(N'table_name[1]', N'nvarchar(MAX)') AS [table_name]
		      ,T.C.value(N'download_link[1]', N'nvarchar(MAX)') AS [download_link]
		FROM @X.nodes(N'/response/result') T(C)

	END

DECLARE @Response nvarchar(MAX)

DECLARE @StatusCode int

DECLARE @StatusDescription nvarchar(MAX)

EXEC usp_ServiceNow_Attachment_Fetch

@Profile = 'My ServiceNow',

@Sys_id = 'f5d469d74ff1120031577d2ca310c7c1',

@Response = @Response OUTPUT,

@StatusCode = @StatusCode OUTPUT,

@StatusDescription = @StatusDescription OUTPUT

IF @StatusCode >= 400

EXEC SQLHTTP.net.RaiseHttpError @StatusCode, @StatusDescription, @Response

ELSE

BEGIN

DECLARE @X xml

SET @X = CONVERT(xml, CONVERT(varchar(MAX), @Response))

--The XPath syntax below was easily generated by executing the following commands:

--EXEC SQLHTTP.net.XQueryHelper @X

--and then executing:

--EXEC SQLHTTP.net.XQueryHelper @X, 'response/result' --

SELECT T.C.value(N'sys_id[1]', N'nvarchar(MAX)') AS [sys_id]

,T.C.value(N'file_name[1]', N'nvarchar(MAX)') AS [file_name]

,T.C.value(N'size_bytes[1]', N'nvarchar(MAX)') AS [size_bytes]

,T.C.value(N'table_name[1]', N'nvarchar(MAX)') AS [table_name]

,T.C.value(N'download_link[1]', N'nvarchar(MAX)') AS [download_link]

FROM @X.nodes(N'/response/result') T(C)

END

sys_id file_name size_bytes table_name download_link

--------------- ---------------------------- ----------- ----------------- -------------------

f5d469d74ff... 1.3_4_remove-a-favorite.png 190660 sys_product_help https://dev32049...

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