SQL Server

REST Auto Reconnect for Multiple Requests (dev.markitondemand.com)

See more REST Examples

Demonstrates how the autoReconnect argument to the Connect method is used. SQL Server

-- 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
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- 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

    -- This example demonstrates the usage of the autoReconnect argument to the Connect method.
    -- When autoReconnect is on, subsequent REST method calls will automatically re-connect
    -- if necessary, using the same information (domain/IP address, port number, and TLS).
    DECLARE @bTls int
    SELECT @bTls = 0
    DECLARE @port int
    SELECT @port = 80
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'dev.markitondemand.com', @port, @bTls, @bAutoReconnect

    -- Get a stock quote:
    EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'symbol', 'AAPL'
    DECLARE @responseXml nvarchar(4000)
    EXEC sp_OAMethod @rest, 'FullRequestNoBody', @responseXml OUT, 'GET', '/MODApis/Api/v2/Quote'
    EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        RETURN
      END

    DECLARE @xml int
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT

    EXEC sp_OAMethod @xml, 'LoadXml', @success OUT, @responseXml

    EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'LastPrice'
    PRINT 'AAPL LastPrice: ' + @sTmp0

    -- Get another stock quote.  If a new HTTP connection is required,
    -- the REST object will automatically connect using the same parameters.
    EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'symbol', 'AMZN'
    EXEC sp_OAMethod @rest, 'FullRequestNoBody', @responseXml OUT, 'GET', '/MODApis/Api/v2/Quote'
    EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @xml
        RETURN
      END

    EXEC sp_OAMethod @xml, 'LoadXml', @success OUT, @responseXml

    EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'LastPrice'
    PRINT 'AMZN LastPrice: ' + @sTmp0

    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @xml


END
GO