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How to retrieve distinct values from concat field in a group by query

Posted on 2014-03-25
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816 Views
Last Modified: 2014-03-25
Hi
Assuming the following rows in my table:
ID , Field1, Field2, ConcatField
1  , "test",    3,    "a,b"
2  , "tttt",     2,    "a,c,d"
3  , "test",   8,    "a"
4,  "test",   1,    "d"

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I would like to run a query grouped by field1 and showing count(ID), sum(field2) and a field with all values in the concatfield, i.e
Field1, Count, Sum, ConcatField
"test",   3,  12,   "a,b,d"
"tttt",  1,  2,    "a,c,d"

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How can i do that?
Thanks
Jaime
0
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Question by:GreatSolutions
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2 Comments
 
LVL 34

Accepted Solution

by:
ste5an earned 500 total points
ID: 39953410
Use GROUP_CONCAT(), e.g.
SELECT 
  Field1,
  COUNT(*)
  SUM(Field2)
  GROUP_CONCAT(ConcatField)
FROM your_table
GROUP BY Field1;

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0
 
LVL 2

Author Comment

by:GreatSolutions
ID: 39953537
Many thanks for the fast response!
It gave me duplicates inside the field, but group_concat ( distinct ConcatField ) did the trick!

Jaime
0

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