Hey UncleMatt..
thanks for your attempt but I tried something like that myself and it doesnt work...
thanks anyway
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Question
Creating an insert statement with variable colomn-names
the problem is
i want to create an insert statement with variable column-names
at first i receive a row of numbers from a select statemant for example : 2,44,565,677,899
now i wanna loop throug this numbers with a cursor and the first time i wanna insert into column '2' the second time in column '44' etc
does anyone now how to do this ???
thanks
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Answers
the select statement returns 44,55,66,77,88 for example
i start a loop
and in de loop i try this :
FETCH NEXT FROM MyCursor
INTO @PropertyID,@DateValue
.
insert into MyTable (pageID, @PropertyID)
values (@PageID, @DateValue )
.
as you see... the value of of @propertyID will be 44 the first loop of the cursor and 55 the second time etc
now the problem is : the first time i wanna insert into column 44 some datevalue (calculated every loop) and the next loop i wanna insert into column 55 a different datevalue..
problem is that the result of the select statement is variable.. every time you execute the select statement the result can be different.
if i run the code above i get this error
"Line 34: Incorrect syntax near '@PropertyID'."
so the insert statement doesnt accept te variable @propertyID !
i hoop hou have enough info to help me...
grtz Da Witte
it looks like you are just running an SQL statement instead of creating a statement on the fly into a string and then executing that.
if you look at this line:
exec 'Insert into table (' + @colname + ') values (' + @colvalue + ')'
it creates the SQL statement on the fly, replacing what is in @colname into the fields section of the inert statement which by the looks of it is what the problem is
Matt.
>> insert into MyTable (pageID, @PropertyID)
values (@PageID, @DateValue )
"Line 34: Incorrect syntax near '@PropertyID'."
so the insert statement doesnt accept te variable @propertyID ! <<
The actual error is in the columns list you defined. Change "insert into MyTable (pageID, @PropertyID)" to read "insert into MyTable (pageID, PropertyID)" to remove the error.
DaWitte:
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by: UncleMattPosted on 2002-12-24 at 01:57:50ID: 7628119
if column 2 is the name of the column then:
@Colname = 2
@colvalue = 44
exec 'Insert into table (' + @colname + ') values (' + @colvalue + ')'
you will need to get the data into the variables at the top or calculate each value/column on the fly using charindex perhaps
if column 2 is not the column name but the number of the column, you'll need to get the column from the syscolumns table.
i hope i've helped, but probably not as i bet it doesn't even make sense.
Matt.