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-rw-r--r--mysql-test/t/explain_json.test7
1 files changed, 7 insertions, 0 deletions
diff --git a/mysql-test/t/explain_json.test b/mysql-test/t/explain_json.test
index 3e6f34b854b..e12cbed6d52 100644
--- a/mysql-test/t/explain_json.test
+++ b/mysql-test/t/explain_json.test
@@ -279,3 +279,10 @@ explain format=json select count(distinct a1,a2,b,c) from t1 where (a2 >= 'b') a
drop table t1;
+--echo #
+--echo # MDEV-8786 Wrong result for SELECT FORMAT=JSON * FROM t1 WHERE a=_latin1 0xDF
+--echo #
+CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET latin1);
+INSERT INTO t1 VALUES ('a'),('b');
+EXPLAIN FORMAT=JSON SELECT * FROM t1 WHERE a=_latin1 0xDF;
+DROP TABLE t1;