From d5b1d6205b126be933a833f497a8de8854c0666d Mon Sep 17 00:00:00 2001 From: unknown Date: Mon, 29 Oct 2007 14:53:10 +0400 Subject: Bug#30897 GROUP_CONCAT returns extra comma on empty fields 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 mysql-test/r/func_gconcat.result: test result mysql-test/t/func_gconcat.test: test case sql/item_sum.cc: added testing for no_appended which will be False if anything, including the empty string is in result --- mysql-test/t/func_gconcat.test | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'mysql-test/t/func_gconcat.test') diff --git a/mysql-test/t/func_gconcat.test b/mysql-test/t/func_gconcat.test index c415ca6c6eb..df8199a5bc7 100644 --- a/mysql-test/t/func_gconcat.test +++ b/mysql-test/t/func_gconcat.test @@ -590,4 +590,13 @@ select group_concat(distinct a, c order by a desc, c desc) from t1; drop table t1; +# +# Bug#30897 GROUP_CONCAT returns extra comma on empty fields +# +create table t1 (f1 char(20)); +insert into t1 values (''),(''); +select group_concat(distinct f1) from t1; +select group_concat(f1) from t1; +drop table t1; + --echo End of 5.0 tests -- cgit v1.2.1