sql-serversql-server-2008-r2query-hints

Why is my query hint being ignored?


I don't get why I can't use the primary key as index in my view.

Here's the main table

CREATE TABLE [dbo].[xFedDBLogMsg](
    [ID] [int] IDENTITY(1,1) NOT NULL,
    [msgType] [int] NOT NULL,
    [date] [datetime] NOT NULL,
    [delay] [time](7) NOT NULL,
    [error] [bit] NOT NULL,
    [processID] [int] NULL,
 CONSTRAINT [PK_tFedDBLogMsg] PRIMARY KEY CLUSTERED 
(
    [ID] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]

Here's the view

CREATE VIEW [dbo].[tFedDBLogMsg]
AS
SELECT
    L.ID
    , L.msgType
    , L.[date]
    , M.MsgSent
    , M.MsgReceived
    , L.[delay]
    , L.error
    , L.processID
    , NEWID() AS INTERNALID
FROM dbo.xFedDBLogMsg AS L
LEFT JOIN FedDBMsg.dbo.tFedDBLogMsg AS M ON (
    M.ID = L.ID
)

And here the procedure that gives me a warning:

ALTER PROCEDURE spGetFedDBErrorsByID (
    @pIDS AS dbo.typeNumberList READONLY
)
AS
BEGIN
        SELECT
            MSG.ID
            , MSG.msgType
            , MSG.date
            , MSG.MsgSent
            , MSG.MsgReceived
        FROM (
            SELECT
                CAST(ID.n AS INT) AS ID
            FROM @pIDS AS ID
        ) AS X
        INNER JOIN MyGolf.dbo.tFedDBLogMsg AS MSG WITH (INDEX(PK_tFedDBLogMsg)) ON (
            MSG.ID = X.ID
        )

END   
GO

Warning: Index hints supplied for view 'MyGolf.dbo.tFedDBLogMsg' will be ignored.

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Solution

  • In the part

    WITH (INDEX(PK_tFedDBLogMsg))
    

    is PK_tFedDBLogMsg besides the name of the constraint, a clustered index on the view as well?

    If so, be sure to use the NOEXPAND option as well.