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-rw-r--r--mysql-test/t/select_found.test19
1 files changed, 19 insertions, 0 deletions
diff --git a/mysql-test/t/select_found.test b/mysql-test/t/select_found.test
index e63e894c1cf..c20b6e9ab6c 100644
--- a/mysql-test/t/select_found.test
+++ b/mysql-test/t/select_found.test
@@ -137,3 +137,22 @@ WHERE ( r = 1 AND a IN ( 1, 2 ) AND ( u = 'w' OR u LIKE 'w/%' ) )
OR ( r = 1 AND a IN ( 1, 2, 3 ) AND ( u = 'w' ) );
drop table t1;
+#
+# Bug #3738: we have a ref key
+#
+
+CREATE TABLE t1 (a VARCHAR(16), UNIQUE(a));
+INSERT INTO t1 VALUES ('1'), ('2'), ('3');
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a = '2' LIMIT 0, 1;
+SELECT FOUND_ROWS();
+DROP TABLE t1;
+
+#
+# Bug #3845: group by, having and empty result
+#
+
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (0), (0), (1), (2);
+SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a = 0 GROUP BY a HAVING a > 10;
+SELECT FOUND_ROWS();
+DROP TABLE t1;