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Bug#30897 GROUP_CONCAT returns extra comma on empty fields

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The fix is a copy of Martin Friebe's suggestion.
added testing for no_appended which will be false if anything,
including the empty string is in result
This commit is contained in:
gluh@mysql.com/eagle.(none)
2007-10-29 14:53:10 +04:00
parent 7f945b2ad1
commit b943d8cf3c
3 changed files with 19 additions and 1 deletions
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9
mysql-test/r/func_gconcat.result
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@ -861,4 +861,13 @@ select group_concat(distinct a, c order by a desc, c desc) from t1;
group_concat(distinct a, c order by a desc, c desc)
31,11,10,01,00
drop table t1;
create table t1 (f1 char(20));
insert into t1 values (''),('');
select group_concat(distinct f1) from t1;
group_concat(distinct f1)
select group_concat(f1) from t1;
group_concat(f1)
,
drop table t1;
End of 5.0 tests