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-rw-r--r--mysql-test/include/weight_string.inc35
1 files changed, 35 insertions, 0 deletions
diff --git a/mysql-test/include/weight_string.inc b/mysql-test/include/weight_string.inc
index d8621a19687..1ae8801c560 100644
--- a/mysql-test/include/weight_string.inc
+++ b/mysql-test/include/weight_string.inc
@@ -1,4 +1,39 @@
select @@collation_connection;
+
+#
+# MDEV-5180 Data type for WEIGHT_STRING is too short in some cases
+#
+CREATE TABLE t1 AS SELECT 'a' AS a;
+SHOW CREATE TABLE t1;
+CREATE TABLE t2 AS SELECT WEIGHT_STRING(a) AS ws FROM t1;
+SHOW CREATE TABLE t2;
+SELECT HEX(WEIGHT_STRING(a)) FROM t1;
+SELECT HEX(ws) FROM t2;
+DROP TABLE t2;
+DROP TABLE t1;
+
+CREATE TABLE t1 AS SELECT REPEAT('a',5) AS a;
+SHOW CREATE TABLE t1;
+CREATE TABLE t2 AS SELECT WEIGHT_STRING(a) AS ws FROM t1;
+SHOW CREATE TABLE t2;
+SELECT HEX(WEIGHT_STRING(a)) FROM t1;
+SELECT HEX(ws) FROM t2;
+DROP TABLE t2;
+CREATE TABLE t2 AS SELECT WEIGHT_STRING(a AS CHAR(3)) AS ws FROM t1;
+SHOW CREATE TABLE t2;
+SELECT HEX(WEIGHT_STRING(a AS CHAR(3))) FROM t1;
+SELECT HEX(ws) FROM t2;
+DROP TABLE t2;
+CREATE TABLE t2 AS SELECT WEIGHT_STRING(a AS CHAR(10)) AS ws FROM t1;
+SHOW CREATE TABLE t2;
+SELECT HEX(WEIGHT_STRING(a AS CHAR(10))) FROM t1;
+SELECT HEX(ws) FROM t2;
+DROP TABLE t2;
+DROP TABLE t1;
+#
+# End of MDEV-5180
+#
+
select hex(weight_string('a'));
select hex(weight_string('A'));
select hex(weight_string('abc'));