summaryrefslogtreecommitdiff
path: root/storage/tokudb/mysql-test/tokudb_bugs/t/2970.test
diff options
context:
space:
mode:
Diffstat (limited to 'storage/tokudb/mysql-test/tokudb_bugs/t/2970.test')
-rw-r--r--storage/tokudb/mysql-test/tokudb_bugs/t/2970.test11
1 files changed, 11 insertions, 0 deletions
diff --git a/storage/tokudb/mysql-test/tokudb_bugs/t/2970.test b/storage/tokudb/mysql-test/tokudb_bugs/t/2970.test
new file mode 100644
index 00000000000..6335bb74119
--- /dev/null
+++ b/storage/tokudb/mysql-test/tokudb_bugs/t/2970.test
@@ -0,0 +1,11 @@
+# test that the query planner chooses a covering index over a non-covering index with the same
+# record cost
+
+drop table if exists t2970;
+create table t2970 (a int, b int, c int, d int, key(a), key(a,b));
+insert into t2970 values (1,1,1,1),(1,2,3,4);
+explain select a,count(b),max(b) from t2970 where a > 0 group by a order by a;
+alter table t2970 engine=tokudb;
+explain select a,count(b),max(b) from t2970 where a > 0 group by a order by a;
+drop table t2970;
+