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For XML Path Alternative Method?

Posted on 2014-02-08
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Last Modified: 2014-02-24
Is there an alternative method to using the 'For XML Path' below?

Select  
SUBSTRING 
(
(
SELECT 
CONVERT(varchar(15),CAST(StartDate as TIME),100)
 + ' - ' + 
CONVERT(varchar(15),CAST(EndDate AS TIME),100)  + CHAR(10) as [text()]
FROM Table2 MD
WHERE (MD.id = Table1.id) FOR XML path(''), elements
), 1, 100
) 
as [Meeting Times]

From Table1

Open in new window

0
Comment
Question by:WorknHardr
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12 Comments
 
LVL 75

Expert Comment

by:käµfm³d 👽
ID: 39844093
What are you trying to accomplish?
0
 

Author Comment

by:WorknHardr
ID: 39844399
The result is more clearly seen in SQL Report Builder 3.0 like so. I'm building MSSQL SP to load into the report dataset.

[Meeting Times]
01/01/2014 - 01/03/2014
02/07/2014 - 02/09/2014
03/14/2014 - 03/17/2014


Select  
SUBSTRING 
(
(
SELECT 
CONVERT(varchar(15),CAST(StartDate as TIME),100)
 + ' - ' + 
CONVERT(varchar(15),CAST(EndDate AS TIME),100)  + CHAR(10) as [text()]
FROM Table2 MD
WHERE (MD.id = Table1.id) FOR XML path(''), elements
), 1, 100
) 
as [Meeting Times]

From Table1

Open in new window

0
 
LVL 75

Expert Comment

by:Anthony Perkins
ID: 39844610
There are a number of methods you can use.  For example you can use a scalar UDF to do this.  Let me know if you can use functions and if you need an example.
0
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Author Comment

by:WorknHardr
ID: 39844629
I like reusable functions.
0
 
LVL 75

Expert Comment

by:Anthony Perkins
ID: 39844731
Please post the schema for your Table1 and Table2 and I will see what I can do.
0
 

Author Comment

by:WorknHardr
ID: 39852910
[Table1]
ID1    Name
1        Meeting Times

[Table2]
ID2    ID1   StartDate         EndDate
 1         1     01/01/2014     01/03/2014
 2         1     02/07/2014     02/09/2014
 3         1     03/14/2014     03/17/2014

[Meeting Times]
01/01/2014 - 01/03/2014
02/07/2014 - 02/09/2014
03/14/2014 - 03/17/2014

Open in new window

0
 
LVL 75

Expert Comment

by:Anthony Perkins
ID: 39855158
So the schema for
Table 1
ID integer.
Name varchar(20)

Table 2
ID2 integer,
ID1 integer
StartDate datetime,
EndDate datetime

And they are both related by ID1.  Is that correct?
0
 

Author Comment

by:WorknHardr
ID: 39856796
Yes, indeed...
0
 
LVL 75

Accepted Solution

by:
Anthony Perkins earned 1600 total points
ID: 39857835
Perhaps we have made it more complicated than it needs to be.  Why not just write the query like this:
SELECT	CONVERT(varchar(10), StartDate, 101) + '-' + CONVERT(varchar(10), EndDate, 101) [Meeting Times]
FROM	Table2

Open in new window


What am I missing?
0
 

Author Comment

by:WorknHardr
ID: 39857999
You got it.
I think the next question is:
Q. Why use 'FOR XML' in the first place?
0
 

Author Closing Comment

by:WorknHardr
ID: 39865433
thx
0

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