Manual post merge

mysql-test/t/olap.test:
  Auto merged
sql/sql_select.cc:
  Auto merged
mysql-test/r/olap.result:
  Manual merge

1 files changed, 30 insertions, 0 deletions

diff --git a/mysql-test/t/olap.test b/mysql-test/t/olap.test
index 88f778be4d5..c75cad0b051 100644
--- a/mysql-test/t/olap.test
+++ b/mysql-test/t/olap.test
@@ -220,3 +220,33 @@ SELECT a, SUM(a), SUM(a)+1, CONCAT(SUM(a),'x'), SUM(a)+SUM(a), SUM(a)
 
 DROP TABLE t1;
 
+#
+# Tests for bug #7894: ROLLUP over expressions on group by attributes
+#
+
+CREATE TABLE t1 (a int(11));
+INSERT INTO t1 VALUES (1),(2);
+
+SELECT a, a+1, SUM(a) FROM t1 GROUP BY a WITH ROLLUP;
+SELECT a+1 FROM t1 GROUP BY a WITH ROLLUP;
+SELECT a+SUM(a) FROM t1 GROUP BY a WITH ROLLUP;
+SELECT a, a+1 as b FROM t1 GROUP BY a WITH ROLLUP HAVING b > 2;
+SELECT a, a+1 as b FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NULL;
+SELECT a, a+1 as b FROM t1 GROUP BY a WITH ROLLUP HAVING b IS NULL;
+SELECT IFNULL(a, 'TEST') FROM t1 GROUP BY a WITH ROLLUP;
+
+CREATE TABLE t2 (a int, b int);
+INSERT INTO t2 VALUES
+  (1,4),
+  (2,2), (2,2),
+  (4,1), (4,1), (4,1), (4,1),
+  (2,1), (2,1);
+
+SELECT a,b,SUM(b) FROM t2 GROUP BY a,b WITH ROLLUP; 
+SELECT a,b,SUM(b), a+b as c FROM t2
+  GROUP BY a,b WITH ROLLUP HAVING c IS NULL;
+SELECT IFNULL(a, 'TEST'), COALESCE(b, 'TEST') FROM t2 
+  GROUP BY a, b WITH ROLLUP; 
+
+DROP TABLE t1,t2;
+