SQL Server
SQL Server
Azure Storage: List Blobs
See more Azure Cloud Storage Examples
Azure Storage Blob Service REST API: Sample code to fetch the list of blobs in the specified container.Chilkat SQL Server Downloads
-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
DECLARE @hr int
DECLARE @iTmp0 int
DECLARE @iTmp1 int
DECLARE @iTmp2 int
-- Important: Do not use nvarchar(max). See the warning about using nvarchar(max).
DECLARE @sTmp0 nvarchar(4000)
DECLARE @success int
SELECT @success = 0
-- Azure Blob Service Example: List the blobs in a specified container.
-- See also: https://msdn.microsoft.com/en-us/library/azure/dd135734.aspx
-- This example requires the Chilkat API to have been previously unlocked.
-- See Global Unlock Sample for sample code.
DECLARE @rest int
EXEC @hr = sp_OACreate 'Chilkat.Rest', @rest OUT
IF @hr <> 0
BEGIN
PRINT 'Failed to create ActiveX component'
RETURN
END
-- Connect to the Azure Storage Blob Service
DECLARE @bTls int
SELECT @bTls = 1
DECLARE @port int
SELECT @port = 443
DECLARE @bAutoReconnect int
SELECT @bAutoReconnect = 1
-- In this example, the storage account name is "chilkat".
EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'chilkat.blob.core.windows.net', @port, @bTls, @bAutoReconnect
IF @success = 0
BEGIN
EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @rest
RETURN
END
-- Provide Azure Cloud credentials for the REST call.
DECLARE @azAuth int
EXEC @hr = sp_OACreate 'Chilkat.AuthAzureStorage', @azAuth OUT
EXEC sp_OASetProperty @azAuth, 'AccessKey', 'AZURE_ACCESS_KEY'
-- The account name used here should match the 1st part of the domain passed in the call to Connect (above).
EXEC sp_OASetProperty @azAuth, 'Account', 'chilkat'
EXEC sp_OASetProperty @azAuth, 'Scheme', 'SharedKey'
EXEC sp_OASetProperty @azAuth, 'Service', 'Blob'
-- This causes the "x-ms-version: 2021-08-06" header to be automatically added.
EXEC sp_OASetProperty @azAuth, 'XMsVersion', '2021-08-06'
EXEC sp_OAMethod @rest, 'SetAuthAzureStorage', @success OUT, @azAuth
-- Note: The application does not need to explicitly set the following
-- headers: x-ms-date, Authorization. These headers
-- are automatically set by Chilkat.
-- The expected success response is a 200 response status code with an XML response body.
-- In this example, we are listing the blobs in the container named "mycontainer".
DECLARE @responseStr nvarchar(4000)
EXEC sp_OAMethod @rest, 'FullRequestNoBody', @responseStr OUT, 'GET', '/mycontainer?restype=container&comp=list'
EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
IF @iTmp0 = 0
BEGIN
EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @rest
EXEC @hr = sp_OADestroy @azAuth
RETURN
END
-- When successful, the Azure Storage service will respond with a 200 response status code,
-- with an XML response body.
EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
IF @iTmp0 <> 200
BEGIN
-- Examine the request/response to see what happened.
EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
PRINT 'response status code = ' + @iTmp0
EXEC sp_OAGetProperty @rest, 'ResponseStatusText', @sTmp0 OUT
PRINT 'response status text = ' + @sTmp0
EXEC sp_OAGetProperty @rest, 'ResponseHeader', @sTmp0 OUT
PRINT 'response header: ' + @sTmp0
PRINT 'response body (if any): ' + @responseStr
PRINT '---'
EXEC sp_OAGetProperty @rest, 'LastRequestStartLine', @sTmp0 OUT
PRINT 'LastRequestStartLine: ' + @sTmp0
EXEC sp_OAGetProperty @rest, 'LastRequestHeader', @sTmp0 OUT
PRINT 'LastRequestHeader: ' + @sTmp0
EXEC @hr = sp_OADestroy @rest
EXEC @hr = sp_OADestroy @azAuth
RETURN
END
-- Load the XML response for parsing.
-- An example of the response XML is shown below.
DECLARE @xml int
EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT
EXEC sp_OAMethod @xml, 'LoadXml', @success OUT, @responseStr
EXEC sp_OAMethod @xml, 'GetXml', @sTmp0 OUT
PRINT @sTmp0
-- Let's iterate over the blobs...
DECLARE @lastMod int
EXEC @hr = sp_OACreate 'Chilkat.CkDateTime', @lastMod OUT
DECLARE @numBlobs int
EXEC sp_OAMethod @xml, 'NumChildrenAt', @numBlobs OUT, 'Blobs'
DECLARE @i int
SELECT @i = 0
DECLARE @dt int
EXEC @hr = sp_OACreate 'Chilkat.DtObj', @dt OUT
WHILE @i < @numBlobs
BEGIN
PRINT '---- Blob ' + @i + ' ----'
EXEC sp_OASetProperty @xml, 'I', @i
EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'Blobs|Blob[i]|Name'
PRINT 'Name: ' + @sTmp0
EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'Blobs|Blob[i]|Properties|Content-Length'
PRINT 'Content-Length: ' + @sTmp0
EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'Blobs|Blob[i]|Properties|Content-Type'
PRINT 'Content-Type: ' + @sTmp0
EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'Blobs|Blob[i]|Properties|Content-MD5'
PRINT 'Content-MD5: ' + @sTmp0
EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'Blobs|Blob[i]|Properties|BlobType'
PRINT 'BlobType: ' + @sTmp0
EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'Blobs|Blob[i]|Properties|LeaseStatus'
PRINT 'LeaseStatus: ' + @sTmp0
EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'Blobs|Blob[i]|Properties|Last-Modified'
EXEC sp_OAMethod @lastMod, 'SetFromRfc822', @success OUT, @sTmp0
EXEC sp_OAMethod @lastMod, 'ToDtObj', NULL, 1, @dt
EXEC sp_OAGetProperty @dt, 'Year', @iTmp0 OUT
EXEC sp_OAGetProperty @dt, 'Month', @iTmp1 OUT
EXEC sp_OAGetProperty @dt, 'Day', @iTmp2 OUT
PRINT 'Last-Modified YMD: ' + @iTmp0 + ',' + @iTmp1 + ',' + @iTmp2
SELECT @i = @i + 1
END
PRINT '-------------------------'
-- Use the ChilkatPath method to get information for a specific blob:
-- For example, let's say we want the Last-Modified date/time for
-- the blob named "helloWorld.txt"
DECLARE @lastModStr nvarchar(4000)
EXEC sp_OAMethod @xml, 'ChilkatPath', @lastModStr OUT, '/C/Name,helloWorld.txt|..|Properties|Last-Modified|*'
PRINT 'helloWorld.txt Last-Modified: ' + @lastModStr
PRINT 'Success.'
-- <?xml version="1.0" encoding="utf-8" ?>
-- <EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/" ContainerName="test">
-- <Blobs>
-- <Blob>
-- <Name>hamletC.xml</Name>
-- <Properties>
-- <Last-Modified>Mon, 02 May 2016 23:50:30 GMT</Last-Modified>
-- <Etag>0x8D372E48B6D323A</Etag>
-- <Content-Length>279658</Content-Length>
-- <Content-Type>application/octet-stream</Content-Type>
-- <Content-Encoding />
-- <Content-Language />
-- <Content-MD5>4E6prI9haw81xadSLeEj3Q==</Content-MD5>
-- <Cache-Control />
-- <Content-Disposition>attachment; filename="hamletC.xml"</Content-Disposition>
-- <BlobType>BlockBlob</BlobType>
-- <LeaseStatus>unlocked</LeaseStatus>
-- <LeaseState>available</LeaseState>
-- </Properties>
-- </Blob>
-- <Blob>
-- <Name>helloWorld.txt</Name>
-- <Properties>
-- <Last-Modified>Mon, 02 May 2016 15:21:55 GMT</Last-Modified>
-- <Etag>0x8D3729D7EE38299</Etag>
-- <Content-Length>12</Content-Length>
-- <Content-Type>application/octet-stream</Content-Type>
-- <Content-Encoding />
-- <Content-Language />
-- <Content-MD5>7Qdih1MuhjZehB6Sv8UNjA==</Content-MD5>
-- <Cache-Control />
-- <Content-Disposition>attachment; filename="helloWorld.txt"</Content-Disposition>
-- <BlobType>BlockBlob</BlobType>
-- <LeaseStatus>unlocked</LeaseStatus>
-- <LeaseState>available</LeaseState>
-- </Properties>
-- </Blob>
-- <Blob>
-- <Name>thisIsATest.txt</Name>
-- <Properties>
-- <Last-Modified>Tue, 03 May 2016 00:22:13 GMT</Last-Modified>
-- <Etag>0x8D372E8F9B2A62E</Etag>
-- <Content-Length>1600</Content-Length>
-- <Content-Type>application/octet-stream</Content-Type>
-- <Content-Encoding />
-- <Content-Language />
-- <Content-MD5>FhgUXYfePg2ItsraPmz0Xg==</Content-MD5>
-- <Cache-Control />
-- <Content-Disposition>attachment; filename="thisIsATest.txt"</Content-Disposition>
-- <BlobType>BlockBlob</BlobType>
-- <LeaseStatus>unlocked</LeaseStatus>
-- <LeaseState>available</LeaseState>
-- </Properties>
-- </Blob>
-- </Blobs>
-- <NextMarker />
-- </EnumerationResults>
--
EXEC @hr = sp_OADestroy @rest
EXEC @hr = sp_OADestroy @azAuth
EXEC @hr = sp_OADestroy @xml
EXEC @hr = sp_OADestroy @lastMod
EXEC @hr = sp_OADestroy @dt
END
GO