Merge sunlight.local:/local_work/tmp_merge-5.0-opt-mysql

into  sunlight.local:/local_work/tmp_merge-5.1-opt-mysql


client/mysql.cc:
  Auto merged
mysql-test/r/date_formats.result:
  Auto merged
mysql-test/r/func_gconcat.result:
  Auto merged
mysql-test/r/func_group.result:
  Auto merged
mysql-test/r/func_str.result:
  Auto merged
mysql-test/r/group_min_max.result:
  Auto merged
BitKeeper/deleted/.del-make_win_src_distribution.sh~f80d8fca44e4e5f1:
  Auto merged
BitKeeper/deleted/.del-mysqld.dsp~ffdbf2d234e23e56:
  Auto merged
BitKeeper/deleted/.del-mysqld_ia64.dsp~7f8cf84d81ee04e2:
  Auto merged
BitKeeper/deleted/.del-mysqldump.dsp~a8bd23547d3fc27e:
  Auto merged
BitKeeper/deleted/.del-mysqldump_ia64.dsp~a2aabe898be35b31:
  Auto merged
mysql-test/r/innodb.result:
  Auto merged
mysql-test/r/innodb_mysql.result:
  Auto merged
mysql-test/r/ps_7ndb.result:
  Auto merged
mysql-test/r/type_ranges.result:
  Auto merged
mysql-test/r/udf.result:
  Auto merged
mysql-test/r/union.result:
  Auto merged
mysql-test/r/view.result:
  Auto merged
mysql-test/t/date_formats.test:
  Auto merged
mysql-test/t/func_gconcat.test:
  Auto merged
mysql-test/t/func_group.test:
  Auto merged
mysql-test/t/group_min_max.test:
  Auto merged
mysql-test/t/innodb.test:
  Auto merged
mysql-test/t/innodb_mysql.test:
  Auto merged
mysql-test/t/mysql.test:
  Auto merged
mysql-test/t/select.test:
  Auto merged
mysql-test/t/sp.test:
  Auto merged
mysql-test/t/view.test:
  Auto merged
sql/field.cc:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/item_subselect.h:
  Auto merged
sql/opt_range.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/time.cc:
  Auto merged
storage/ndb/test/ndbapi/Makefile.am:
  Auto merged
strings/decimal.c:
  Auto merged
mysql-test/r/analyse.result:
  Manual merge
mysql-test/r/bigint.result:
  Manual merge
mysql-test/r/create.result:
  Manual merge
mysql-test/r/information_schema.result:
  Manual merge
mysql-test/r/ps_2myisam.result:
  Manual merge
mysql-test/r/ps_3innodb.result:
  Manual merge
mysql-test/r/ps_4heap.result:
  Manual merge
mysql-test/r/ps_5merge.result:
  Manual merge
mysql-test/r/ps_6bdb.result:
  Manual merge
mysql-test/r/rpl_insert_id.result:
  Manual merge
mysql-test/r/select.result:
  Manual merge
mysql-test/r/sp.result:
  Manual merge
mysql-test/r/subselect.result:
  Manual merge
mysql-test/t/information_schema.test:
  Manual merge
mysql-test/t/rpl_insert_id.test:
  Manual merge
sql/field.h:
  Manual merge
sql/item.cc:
  Manual merge
sql/item.h:
  Manual merge
sql/item_strfunc.h:
  Manual merge
sql/item_sum.cc:
  Manual merge
sql/mysql_priv.h:
  Manual merge
sql/share/errmsg.txt:
  Manual merge
sql/sql_class.h:
  Manual merge
sql/sql_select.cc:
  Manual merge

1 files changed, 15 insertions, 0 deletions

diff --git a/mysql-test/t/func_group.test b/mysql-test/t/func_group.test
index 760745dc14e..2806ffb5ae0 100644
--- a/mysql-test/t/func_group.test
+++ b/mysql-test/t/func_group.test
@@ -667,3 +667,18 @@ SELECT SUM(a) FROM t1 GROUP BY b/c;
 DROP TABLE t1;
 set div_precision_increment= @sav_dpi;
 
+#
+# Bug #20868: Client connection is broken on SQL query error
+#
+CREATE TABLE t1 (a INT PRIMARY KEY, b INT);
+INSERT INTO t1 VALUES (1,1), (2,2);
+
+CREATE TABLE t2 (a INT PRIMARY KEY, b INT);
+INSERT INTO t2 VALUES (1,1), (3,3);
+
+SELECT SQL_NO_CACHE 
+  (SELECT SUM(c.a) FROM t1 ttt, t2 ccc 
+   WHERE ttt.a = ccc.b AND ttt.a = t.a GROUP BY ttt.a) AS minid   
+FROM t1 t, t2 c WHERE t.a = c.b;
+
+DROP TABLE t1,t2;