Mixing
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Using FOR XML to Concatenate multiple fields
0
My Data is structured like this:
and I'm trying to use STUFF/FOR XML PATH to concatenate fields.
If I use the examples that I find online I can get the following result:
But I wondered if the following is possible:
I am currently achieving this by calling FOR XML PATH twice, first to concatenate Header3:
and then again to get the desired result.
Is there a way to do it without calling XML PATH twice?
sql
sql-server tsql for-xml-path edited Nov 21 '18 at 18:44
a_horse_with_no_name
299k46456548
asked Nov 21 '18 at 18:32
DCulleyDCulley
33
add a comment |
0
My Data is structured like this:
and I'm trying to use STUFF/FOR XML PATH to concatenate fields.
If I use the examples that I find online I can get the following result:
But I wondered if the following is possible:
I am currently achieving this by calling FOR XML PATH twice, first to concatenate Header3:
and then again to get the desired result.
Is there a way to do it without calling XML PATH twice?
sql
sql-server tsql for-xml-path edited Nov 21 '18 at 18:44
a_horse_with_no_name
299k46456548
asked Nov 21 '18 at 18:32
DCulleyDCulley
33
add a comment |
0
0
0
My Data is structured like this:
and I'm trying to use STUFF/FOR XML PATH to concatenate fields.
If I use the examples that I find online I can get the following result:
But I wondered if the following is possible:
I am currently achieving this by calling FOR XML PATH twice, first to concatenate Header3:
and then again to get the desired result.
Is there a way to do it without calling XML PATH twice?
sql
sql-server tsql for-xml-path edited Nov 21 '18 at 18:44
a_horse_with_no_name
299k46456548
asked Nov 21 '18 at 18:32
DCulleyDCulley
33
My Data is structured like this:
and I'm trying to use STUFF/FOR XML PATH to concatenate fields.
If I use the examples that I find online I can get the following result:
But I wondered if the following is possible:
I am currently achieving this by calling FOR XML PATH twice, first to concatenate Header3:
and then again to get the desired result.
Is there a way to do it without calling XML PATH twice?
sql
sql-server tsql for-xml-path sql
sql-server tsql for-xml-path edited Nov 21 '18 at 18:44
a_horse_with_no_name
299k46456548
asked Nov 21 '18 at 18:32
DCulleyDCulley
33
edited Nov 21 '18 at 18:44
a_horse_with_no_name
299k46456548
asked Nov 21 '18 at 18:32
DCulleyDCulley
33
edited Nov 21 '18 at 18:44
a_horse_with_no_name
299k46456548
edited Nov 21 '18 at 18:44
a_horse_with_no_name
299k46456548
edited Nov 21 '18 at 18:44
a_horse_with_no_name
299k46456548
299k46456548
asked Nov 21 '18 at 18:32
DCulleyDCulley
33
asked Nov 21 '18 at 18:32
DCulleyDCulley
33
asked Nov 21 '18 at 18:32
DCulleyDCulley
33
33
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
0
Are you looking for something like
CREATE TABLE T(
Header1 INT,
Header2 VARCHAR(45),
Header3 VARCHAR(45)
);
INSERT INTO T VALUES
(123, 'A', 'aaa'),
(123, 'B', 'bbb'),
(123, 'C', 'ccc'),
(123, 'C', 'ddd'),
(456, 'E', 'eee');
WITH H3 AS
(
SELECT DISTINCT Header1, Header2,
STUFF(
(
SELECT ',' + Header3
FROM T
WHERE Header2 = H2.Header2
FOR XML PATH('')
), 1, 1, ''
) Res
FROM T H2
)
SELECT DISTINCT
Header1,
STUFF(
(SELECT ' '+ Header2 + ':' + Res + '|'
FROM H3
WHERE Header1 = TT.Header1
FOR XML PATH('')
), 1, 1, ''
) Desired
FROM H3 TT;
Returns:
+---------+--------------------------+
| Header1 | Desired |
+---------+--------------------------+
| 123 | A:aaa| B:bbb| C:ccc,ddd| |
| 456 | E:eee| |
+---------+--------------------------+
Demo
answered Nov 21 '18 at 19:39
SamiSami
8,92331241
I am. This is a lot cleaner and clearer than my current query so thank you. But I was hoping to see if it could be done without calling FOR XML twice.
– DCulley
Nov 21 '18 at 19:46
@DCulley, This structure is a doubled1:nrelation actually (that clearly points to the fact, that this screams for a different table design). However, You need some kind of join or (correlated) sub-query to gather all the relatedHeader2data and one more step to bind the relatedHeader3data to their correspodingHeader2. This might be solved better in your presentation layer...
– Shnugo
Nov 21 '18 at 22:19
@Shnugo Ok thank you for the input.
– DCulley
Nov 22 '18 at 7:17
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
0
Are you looking for something like
CREATE TABLE T(
Header1 INT,
Header2 VARCHAR(45),
Header3 VARCHAR(45)
);
INSERT INTO T VALUES
(123, 'A', 'aaa'),
(123, 'B', 'bbb'),
(123, 'C', 'ccc'),
(123, 'C', 'ddd'),
(456, 'E', 'eee');
WITH H3 AS
(
SELECT DISTINCT Header1, Header2,
STUFF(
(
SELECT ',' + Header3
FROM T
WHERE Header2 = H2.Header2
FOR XML PATH('')
), 1, 1, ''
) Res
FROM T H2
)
SELECT DISTINCT
Header1,
STUFF(
(SELECT ' '+ Header2 + ':' + Res + '|'
FROM H3
WHERE Header1 = TT.Header1
FOR XML PATH('')
), 1, 1, ''
) Desired
FROM H3 TT;
Returns:
+---------+--------------------------+
| Header1 | Desired |
+---------+--------------------------+
| 123 | A:aaa| B:bbb| C:ccc,ddd| |
| 456 | E:eee| |
+---------+--------------------------+
Demo
answered Nov 21 '18 at 19:39
SamiSami
8,92331241
I am. This is a lot cleaner and clearer than my current query so thank you. But I was hoping to see if it could be done without calling FOR XML twice.
– DCulley
Nov 21 '18 at 19:46
@DCulley, This structure is a doubled1:nrelation actually (that clearly points to the fact, that this screams for a different table design). However, You need some kind of join or (correlated) sub-query to gather all the relatedHeader2data and one more step to bind the relatedHeader3data to their correspodingHeader2. This might be solved better in your presentation layer...
– Shnugo
Nov 21 '18 at 22:19
@Shnugo Ok thank you for the input.
– DCulley
Nov 22 '18 at 7:17
add a comment |
0
Are you looking for something like
CREATE TABLE T(
Header1 INT,
Header2 VARCHAR(45),
Header3 VARCHAR(45)
);
INSERT INTO T VALUES
(123, 'A', 'aaa'),
(123, 'B', 'bbb'),
(123, 'C', 'ccc'),
(123, 'C', 'ddd'),
(456, 'E', 'eee');
WITH H3 AS
(
SELECT DISTINCT Header1, Header2,
STUFF(
(
SELECT ',' + Header3
FROM T
WHERE Header2 = H2.Header2
FOR XML PATH('')
), 1, 1, ''
) Res
FROM T H2
)
SELECT DISTINCT
Header1,
STUFF(
(SELECT ' '+ Header2 + ':' + Res + '|'
FROM H3
WHERE Header1 = TT.Header1
FOR XML PATH('')
), 1, 1, ''
) Desired
FROM H3 TT;
Returns:
+---------+--------------------------+
| Header1 | Desired |
+---------+--------------------------+
| 123 | A:aaa| B:bbb| C:ccc,ddd| |
| 456 | E:eee| |
+---------+--------------------------+
Demo
answered Nov 21 '18 at 19:39
SamiSami
8,92331241
I am. This is a lot cleaner and clearer than my current query so thank you. But I was hoping to see if it could be done without calling FOR XML twice.
– DCulley
Nov 21 '18 at 19:46
@DCulley, This structure is a doubled1:nrelation actually (that clearly points to the fact, that this screams for a different table design). However, You need some kind of join or (correlated) sub-query to gather all the relatedHeader2data and one more step to bind the relatedHeader3data to their correspodingHeader2. This might be solved better in your presentation layer...
– Shnugo
Nov 21 '18 at 22:19
@Shnugo Ok thank you for the input.
– DCulley
Nov 22 '18 at 7:17
add a comment |
0
0
0
Are you looking for something like
CREATE TABLE T(
Header1 INT,
Header2 VARCHAR(45),
Header3 VARCHAR(45)
);
INSERT INTO T VALUES
(123, 'A', 'aaa'),
(123, 'B', 'bbb'),
(123, 'C', 'ccc'),
(123, 'C', 'ddd'),
(456, 'E', 'eee');
WITH H3 AS
(
SELECT DISTINCT Header1, Header2,
STUFF(
(
SELECT ',' + Header3
FROM T
WHERE Header2 = H2.Header2
FOR XML PATH('')
), 1, 1, ''
) Res
FROM T H2
)
SELECT DISTINCT
Header1,
STUFF(
(SELECT ' '+ Header2 + ':' + Res + '|'
FROM H3
WHERE Header1 = TT.Header1
FOR XML PATH('')
), 1, 1, ''
) Desired
FROM H3 TT;
Returns:
+---------+--------------------------+
| Header1 | Desired |
+---------+--------------------------+
| 123 | A:aaa| B:bbb| C:ccc,ddd| |
| 456 | E:eee| |
+---------+--------------------------+
Demo
answered Nov 21 '18 at 19:39
SamiSami
8,92331241
Are you looking for something like
CREATE TABLE T(
Header1 INT,
Header2 VARCHAR(45),
Header3 VARCHAR(45)
);
INSERT INTO T VALUES
(123, 'A', 'aaa'),
(123, 'B', 'bbb'),
(123, 'C', 'ccc'),
(123, 'C', 'ddd'),
(456, 'E', 'eee');
WITH H3 AS
(
SELECT DISTINCT Header1, Header2,
STUFF(
(
SELECT ',' + Header3
FROM T
WHERE Header2 = H2.Header2
FOR XML PATH('')
), 1, 1, ''
) Res
FROM T H2
)
SELECT DISTINCT
Header1,
STUFF(
(SELECT ' '+ Header2 + ':' + Res + '|'
FROM H3
WHERE Header1 = TT.Header1
FOR XML PATH('')
), 1, 1, ''
) Desired
FROM H3 TT;
Returns:
+---------+--------------------------+
| Header1 | Desired |
+---------+--------------------------+
| 123 | A:aaa| B:bbb| C:ccc,ddd| |
| 456 | E:eee| |
+---------+--------------------------+
Demo
answered Nov 21 '18 at 19:39
SamiSami
8,92331241
answered Nov 21 '18 at 19:39
SamiSami
8,92331241
answered Nov 21 '18 at 19:39
SamiSami
8,92331241
answered Nov 21 '18 at 19:39
SamiSami
8,92331241
8,92331241
I am. This is a lot cleaner and clearer than my current query so thank you. But I was hoping to see if it could be done without calling FOR XML twice.
– DCulley
Nov 21 '18 at 19:46
@DCulley, This structure is a doubled1:nrelation actually (that clearly points to the fact, that this screams for a different table design). However, You need some kind of join or (correlated) sub-query to gather all the relatedHeader2data and one more step to bind the relatedHeader3data to their correspodingHeader2. This might be solved better in your presentation layer...
– Shnugo
Nov 21 '18 at 22:19
@Shnugo Ok thank you for the input.
– DCulley
Nov 22 '18 at 7:17
add a comment |
I am. This is a lot cleaner and clearer than my current query so thank you. But I was hoping to see if it could be done without calling FOR XML twice.
– DCulley
Nov 21 '18 at 19:46
@DCulley, This structure is a doubled1:nrelation actually (that clearly points to the fact, that this screams for a different table design). However, You need some kind of join or (correlated) sub-query to gather all the relatedHeader2data and one more step to bind the relatedHeader3data to their correspodingHeader2. This might be solved better in your presentation layer...
– Shnugo
Nov 21 '18 at 22:19
@Shnugo Ok thank you for the input.
– DCulley
Nov 22 '18 at 7:17
I am. This is a lot cleaner and clearer than my current query so thank you. But I was hoping to see if it could be done without calling FOR XML twice.
– DCulley
Nov 21 '18 at 19:46
I am. This is a lot cleaner and clearer than my current query so thank you. But I was hoping to see if it could be done without calling FOR XML twice.
– DCulley
Nov 21 '18 at 19:46
@DCulley, This structure is a doubled
1:n relation actually (that clearly points to the fact, that this screams for a different table design). However, You need some kind of join or (correlated) sub-query to gather all the related Header2 data and one more step to bind the related Header3 data to their correspoding Header2. This might be solved better in your presentation layer...– Shnugo
Nov 21 '18 at 22:19
@DCulley, This structure is a doubled
1:n relation actually (that clearly points to the fact, that this screams for a different table design). However, You need some kind of join or (correlated) sub-query to gather all the related Header2 data and one more step to bind the related Header3 data to their correspoding Header2. This might be solved better in your presentation layer...– Shnugo
Nov 21 '18 at 22:19
@Shnugo Ok thank you for the input.
– DCulley
Nov 22 '18 at 7:17
@Shnugo Ok thank you for the input.
– DCulley
Nov 22 '18 at 7:17
add a comment |
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