Update table from complicated select and inner join statement - tsql - sql-server-2008

Question

This code works really well for an initial insert into a table. But now i need to be able to do ongoing updates to append new rows to a table... Do I need to do a SET for each item I'm inserting. I've tried doing that, actually, and it still complains.
CREATE TABLE dbo.Calcs
(
OutageDate DATE,
StartTime TIME(7),
EndTime TIME(7),
Duration INT
);
INSERT dbo.Calcs SELECT '20101110', '16:00', '17:30', 90;
INSERT dbo.Calcs SELECT '20101111', '13:00', '14:02', 62;
INSERT dbo.Calcs SELECT '20101112', '17:00', '18:00', 60;
INSERT dbo.Calcs SELECT '20101113', '16:05', '16:25', 20;
INSERT dbo.Calcs SELECT '20101114', '16:59', '18:01', 62;
INSERT dbo.Calcs SELECT '20101115', '22:15', '01:30', 165;
CREATE TABLE dbo.TableIWantUpdated
(
OutageDate DATE,
StartHour TIME(7),
StartMinutes TIME(7),
StartTime TIME(7),
EndHour int,
EndMinutes int,
EndTime TIME(7),
Duration INT
);
;WITH n(n) AS
(
SELECT TOP 24 ROW_NUMBER() OVER (ORDER BY [object_id])
FROM sys.objects
),
x AS
(
SELECT
o.OutageDate, StartHour = (DATEPART(HOUR, StartTime) + n.n - 1) % 24,
StartTime, EndTime, Duration,
rn = ROW_NUMBER() OVER (PARTITION BY o.OutageDate, o.StartTime ORDER BY n.n)
FROM n INNER JOIN dbo.Calcs AS o
ON n.n <= CEILING(DATEDIFF(MINUTE, CONVERT(DATETIME, StartTime),
DATEADD(DAY, CASE WHEN EndTime < StartTime THEN 1 ELSE 0 END,
CONVERT(DATETIME, EndTime)))/60.0)
),
mx AS (SELECT OutageDate, StartTime, minrn = MIN(rn), maxrn = MAX(rn)
FROM x GROUP BY OutageDate, StartTime)
-- I want to use the below inner join from the CTE to update a table now
UPDATE [dbo].[TableIWantUpdated]
SELECT
x.OutageDate,
x.StartHour,
StartMinutes = CASE
WHEN x.rn = mx.minrn THEN DATEPART(MINUTE, x.StartTime) ELSE 0 END,
EndHour = x.StartHour + 1,
EndMinutes = CASE
WHEN x.rn = mx.maxrn THEN DATEPART(MINUTE, x.EndTime) ELSE 0 END,
x.StartTime,
x.EndTime,
x.Duration
--this is where I did the initial insert of data...but now I want it to be able to update
--INTO [dbo].[TableIWantUpdated] FROM x INNER JOIN mx
FROM x INNER JOIN mx
ON x.OutageDate = mx.OutageDate
AND x.StartTime = mx.StartTime
ORDER BY x.OutageDate, x.rn;
GO

Answer 1

INSERT INTO should work, then. I'm also removing the ORDER BY at the bottom.
;WITH n(n) AS
(
SELECT TOP 24 ROW_NUMBER() OVER (ORDER BY [object_id])
FROM sys.objects
),
x AS
(
SELECT
o.OutageDate, StartHour = (DATEPART(HOUR, StartTime) + n.n - 1) % 24,
StartTime, EndTime, Duration,
rn = ROW_NUMBER() OVER (PARTITION BY o.OutageDate, o.StartTime ORDER BY n.n)
FROM n INNER JOIN dbo.Calcs AS o
ON n.n <= CEILING(DATEDIFF(MINUTE, CONVERT(DATETIME, StartTime),
DATEADD(DAY, CASE WHEN EndTime < StartTime THEN 1 ELSE 0 END,
CONVERT(DATETIME, EndTime)))/60.0)
),
mx AS (SELECT OutageDate, StartTime, minrn = MIN(rn), maxrn = MAX(rn)
FROM x GROUP BY OutageDate, StartTime)
-- I want to use the below inner join from the CTE to update a table now
INSERT INTO [dbo].[TableIWantUpdated]
SELECT
x.OutageDate,
x.StartHour,
StartMinutes = CASE
WHEN x.rn = mx.minrn THEN DATEPART(MINUTE, x.StartTime) ELSE 0 END,
EndHour = x.StartHour + 1,
EndMinutes = CASE
WHEN x.rn = mx.maxrn THEN DATEPART(MINUTE, x.EndTime) ELSE 0 END,
x.StartTime,
x.EndTime,
x.Duration
--this is where I did the initial insert of data...but now I want it to be able to update
--INTO [dbo].[TableIWantUpdated] FROM x INNER JOIN mx
FROM x INNER JOIN mx
ON x.OutageDate = mx.OutageDate
AND x.StartTime = mx.StartTime
--ORDER BY x.OutageDate, x.rn;
GO