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-rw-r--r--mysql-test/r/func_concat.result20
1 files changed, 20 insertions, 0 deletions
diff --git a/mysql-test/r/func_concat.result b/mysql-test/r/func_concat.result
index 9ab6f74653e..acde1be051b 100644
--- a/mysql-test/r/func_concat.result
+++ b/mysql-test/r/func_concat.result
@@ -268,3 +268,23 @@ SET optimizer_switch=@save_optimizer_switch;
SELECT UNHEX(CONCAT('414C2', HEX(8 + ROUND(RAND()*7)), SUBSTR(SHA(UUID()),6,33),HEX(2+ROUND(RAND()*8)))) IS NULL AS c1;
c1
0
+#
+# MDEV-13119 Wrong results with CAST(AS CHAR) and subquery
+#
+SET optimizer_switch=_utf8'derived_merge=on';
+CREATE TABLE t1 (t VARCHAR(10) CHARSET latin1);
+INSERT INTO t1 VALUES('abcdefghi');
+SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT CAST(t AS CHAR CHARACTER SET utf8) t2 FROM t1) sub;
+c2
+abcdefghi-abcdefghi
+DROP TABLE t1;
+SET optimizer_switch=@save_optimizer_switch;
+#
+# MDEV-13120 Wrong results with MAKE_SET() and subquery
+#
+CREATE TABLE t1 (t VARCHAR(10) CHARSET latin1);
+INSERT INTO t1 VALUES('abcdefghi');
+SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT MAKE_SET(3,t,t) t2 FROM t1) sub;
+c2
+abcdefghi,abcdefghi-abcdefghi,abcdefghi
+DROP TABLE t1;