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BUG#14019 : group by converts literal string to column name

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When resolving unqualified name references MySQL was not
   checking what is the item type for the reference. Thus
   e.g a string literal item that has by convention a name
   equal to its string value will also work as a reference to 
   a SELECT list item or a table field.
   Fixed by allowing only Item_ref or Item_field to referenced by
   (unqualified) name.
This commit is contained in:
gkodinov/kgeorge@macbook.gmz
2006-10-16 13:10:25 +03:00
parent 55dd569bab
commit 115616381d
5 changed files with 77 additions and 8 deletions
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5
mysql-test/r/func_gconcat.result
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@ -74,11 +74,6 @@ grp group_concat(c order by 1)
1 a
2 b,c
3 C,D,d,d,D,E
select grp,group_concat(c order by "c") from t1 group by grp;
grp group_concat(c order by "c")
1 a
2 b,c
3 C,D,d,d,D,E
select grp,group_concat(distinct c order by c) from t1 group by grp;
grp group_concat(distinct c order by c)
1 a