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-rw-r--r--mysql-test/r/func_group.result44
1 files changed, 44 insertions, 0 deletions
diff --git a/mysql-test/r/func_group.result b/mysql-test/r/func_group.result
index 3d989ad1730..94147640cde 100644
--- a/mysql-test/r/func_group.result
+++ b/mysql-test/r/func_group.result
@@ -1477,3 +1477,47 @@ COUNT(*)
SET SQL_MODE=default;
DROP TABLE t1;
End of 5.0 tests
+#
+# BUG#47280 - strange results from count(*) with order by multiple
+# columns without where/group
+#
+#
+# Initialize test
+#
+CREATE TABLE t1 (
+pk INT NOT NULL,
+i INT,
+PRIMARY KEY (pk)
+);
+INSERT INTO t1 VALUES (1,11),(2,12),(3,13);
+#
+# Start test
+# All the following queries shall return 1 record
+#
+
+# Masking all correct values {11...13} for column i in this result.
+SELECT MAX(pk) as max, i
+FROM t1
+ORDER BY max;
+max i
+3 #
+
+EXPLAIN
+SELECT MAX(pk) as max, i
+FROM t1
+ORDER BY max;
+id select_type table type possible_keys key key_len ref rows Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using temporary
+
+# Only 11 is correct for collumn i in this result
+SELECT MAX(pk) as max, i
+FROM t1
+WHERE pk<2
+ORDER BY max;
+max i
+1 11
+#
+# Cleanup
+#
+DROP TABLE t1;
+End of 5.1 tests