November 9, 2011 at 8:24 pm
Hello,
I am attempting to write a query to update the cost of an item, based on the cost of an item on the same invoice in one statement.
However I receive the error:
Server: Msg 8154, Level 16, State 1, Line 1
The table 'dbo.INVOICE_ITEM' is ambiguous.
UPDATE dbo.INVOICE_ITEM
SET
INVOICE_COST = CONSULT_MBS_COST.MBS_ITEM_FEE * 0.50,
ITEM_STATUS_CODE = CONSULT.ITEM_STATUS_CODE
FROM
dbo.INVOICE INVOICE
INNER JOIN
dbo.INVOICE_ITEM TELEHEALTH ON
INVOICE.INVOICE_ID = TELEHEALTH.INVOICE_ID
INNER JOIN
dbo.MBS_ITEM MBS ON
TELEHEALTH.MBS_ITEM_NUMBER = MBS.MBS_ITEM_NUMBER AND
MBS.ITEM_TYPE_CODE = 'M' AND
MBS.TELEHEALTH_ITEM = 'Y'
INNER JOIN
dbo.INVOICE_ITEM CONSULT ON
INVOICE.INVOICE_ID = CONSULT.INVOICE_ID
INNER JOIN
dbo.MBS_ITEM CONSULT_MBS ON
CONSULT.MBS_ITEM_NUMBER = CONSULT_MBS.MBS_ITEM_NUMBER AND
CONSULT_MBS.ITEM_TYPE_CODE = 'M' AND
ISNULL(CONSULT_MBS.TELEHEALTH_ITEM,'N') = 'N'
INNER JOIN
dbo.MBS_ITEM_COST CONSULT_MBS_COST ON
CONSULT_MBS.MBS_ITEM_NUMBER = CONSULT_MBS_COST.MBS_ITEM_NUMBER AND
CONSULT.SERVICE_DATE BETWEEN CONSULT_MBS_COST.MBS_COST_START AND ISNULL(CONSULT_MBS_COST.MBS_COST_END, GETDATE() ) AND
CONSULT_MBS_COST.COST_TYPE_ID = 10
WHERE
INVOICE.INVOICE_DATE IS NULL
The table dbo.INVOICE_ITEM is referenced twice in the FROM clause.
Is this at all possible?
I was hopng to avoid writing something like:
UPDATE dbo.INVOICE_ITEM
SET
INVOICE_COST = ( <select a new price here in a subquery> )
FROM
ETC ETC
November 9, 2011 at 9:25 pm
Just a shot in the dark, but did you try this:
UPDATE TELEHEALTH SET
INVOICE_COST = CONSULT_MBS_COST.MBS_ITEM_FEE * 0.50,
ITEM_STATUS_CODE = CONSULT.ITEM_STATUS_CODE
FROM
dbo.INVOICE INVOICE
INNER JOIN dbo.INVOICE_ITEM TELEHEALTH
ON INVOICE.INVOICE_ID = TELEHEALTH.INVOICE_ID
INNER JOIN dbo.MBS_ITEM MBS
ON TELEHEALTH.MBS_ITEM_NUMBER = MBS.MBS_ITEM_NUMBER AND
MBS.ITEM_TYPE_CODE = 'M' AND
MBS.TELEHEALTH_ITEM = 'Y'
INNER JOIN dbo.INVOICE_ITEM CONSULT
ON INVOICE.INVOICE_ID = CONSULT.INVOICE_ID
INNER JOIN dbo.MBS_ITEM CONSULT_MBS
ON CONSULT.MBS_ITEM_NUMBER = CONSULT_MBS.MBS_ITEM_NUMBER AND
CONSULT_MBS.ITEM_TYPE_CODE = 'M' AND
ISNULL(CONSULT_MBS.TELEHEALTH_ITEM,'N') = 'N'
INNER JOIN dbo.MBS_ITEM_COST CONSULT_MBS_COST
ON CONSULT_MBS.MBS_ITEM_NUMBER = CONSULT_MBS_COST.MBS_ITEM_NUMBER AND
CONSULT.SERVICE_DATE BETWEEN CONSULT_MBS_COST.MBS_COST_START AND
ISNULL(CONSULT_MBS_COST.MBS_COST_END, GETDATE() ) AND
CONSULT_MBS_COST.COST_TYPE_ID = 10
WHERE
INVOICE.INVOICE_DATE IS NULL
November 9, 2011 at 9:28 pm
wow, that worked.
I had no idea you could use Alias's in the UPDATE clause.
Thanks!
April 1, 2013 at 5:24 am
Lynn Pettis (11/9/2011)
Just a shot in the dark, but did you try this:
UPDATE TELEHEALTH SET
INVOICE_COST = CONSULT_MBS_COST.MBS_ITEM_FEE * 0.50,
ITEM_STATUS_CODE = CONSULT.ITEM_STATUS_CODE
FROM
dbo.INVOICE INVOICE
INNER JOIN dbo.INVOICE_ITEM TELEHEALTH
ON INVOICE.INVOICE_ID = TELEHEALTH.INVOICE_ID
INNER JOIN dbo.MBS_ITEM MBS
ON TELEHEALTH.MBS_ITEM_NUMBER = MBS.MBS_ITEM_NUMBER AND
MBS.ITEM_TYPE_CODE = 'M' AND
MBS.TELEHEALTH_ITEM = 'Y'
INNER JOIN dbo.INVOICE_ITEM CONSULT
ON INVOICE.INVOICE_ID = CONSULT.INVOICE_ID
INNER JOIN dbo.MBS_ITEM CONSULT_MBS
ON CONSULT.MBS_ITEM_NUMBER = CONSULT_MBS.MBS_ITEM_NUMBER AND
CONSULT_MBS.ITEM_TYPE_CODE = 'M' AND
ISNULL(CONSULT_MBS.TELEHEALTH_ITEM,'N') = 'N'
INNER JOIN dbo.MBS_ITEM_COST CONSULT_MBS_COST
ON CONSULT_MBS.MBS_ITEM_NUMBER = CONSULT_MBS_COST.MBS_ITEM_NUMBER AND
CONSULT.SERVICE_DATE BETWEEN CONSULT_MBS_COST.MBS_COST_START AND
ISNULL(CONSULT_MBS_COST.MBS_COST_END, GETDATE() ) AND
CONSULT_MBS_COST.COST_TYPE_ID = 10
WHERE
INVOICE.INVOICE_DATE IS NULL
The solution given by Lynn Pettis worked for me too. But i don't see anything wrong in OP Questions(I too had made the query in same manner). Would like to know from the expert over here why does the OP Query not worked.
April 7, 2013 at 11:58 pm
Scott Thornton-407727 (11/9/2011)
wow, that worked.I had no idea you could use Alias's in the UPDATE clause.
Thanks!
Hi experts,
This solution is working for me as a butter on a hot pan. But I would like to know from you guys , when the alias works with an update why not the actual table name. I mean that if we use alias it works why not it works by specifying the table name.
April 8, 2013 at 1:17 am
Shadab Shah (4/7/2013)
Scott Thornton-407727 (11/9/2011)
wow, that worked.I had no idea you could use Alias's in the UPDATE clause.
Thanks!
Hi experts,
This solution is working for me as a butter on a hot pan. But I would like to know from you guys , when the alias works with an update why not the actual table name. I mean that if we use alias it works why not it works by specifying the table name.
Using the table name works as long as YOU DO NOT alias it in the FROM part of the query - if you do, you need to reference the table using only this alias name.
The absence of evidence is not evidence of absence.
Martin Rees
You can lead a horse to water, but a pencil must be lead.
Stan Laurel
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