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authorIgor Babaev <igor@askmonty.org>2017-02-10 17:20:46 -0800
committerIgor Babaev <igor@askmonty.org>2017-02-10 17:21:45 -0800
commit559345806216369bad999539018bd3943860a5d5 (patch)
treecf8caa0141441b493888b639908587a4f184803b /mysql-test
parent1b4f694adfa257d41b5ddb141e5bcc23e6dfd9c8 (diff)
downloadmariadb-git-559345806216369bad999539018bd3943860a5d5.tar.gz
Fixed bug mdev-12015.
Corrected an assertion in JOIN::create_postjoin_aggr_table(): JOIN::join_tab[0] can be the first aggregation table if the query uses window functions.
Diffstat (limited to 'mysql-test')
-rw-r--r--mysql-test/r/win.result11
-rw-r--r--mysql-test/t/win.test15
2 files changed, 26 insertions, 0 deletions
diff --git a/mysql-test/r/win.result b/mysql-test/r/win.result
index f693d6641df..b863ee4ddd6 100644
--- a/mysql-test/r/win.result
+++ b/mysql-test/r/win.result
@@ -2842,3 +2842,14 @@ max(i) min(i) f
16 14 2
20 17 3
drop table t1;
+#
+# MDEV-12015: window function over select with WHERE
+# that is always FALSE
+#
+CREATE TABLE t1 (i INT);
+INSERT INTO t1 VALUES (3), (1), (2);
+SELECT i, ROW_NUMBER() OVER () FROM t1 WHERE 1 = 2;
+i ROW_NUMBER() OVER ()
+SELECT i, COUNT(*) OVER () FROM t1 WHERE 1 = 2;
+i COUNT(*) OVER ()
+DROP TABLE t1;
diff --git a/mysql-test/t/win.test b/mysql-test/t/win.test
index c231c1eeecf..f92334e4079 100644
--- a/mysql-test/t/win.test
+++ b/mysql-test/t/win.test
@@ -1636,3 +1636,18 @@ select max(i), min(i), min(max(i)-min(i)) over (partition by count(i)) f
group by b;
drop table t1;
+
+--echo #
+--echo # MDEV-12015: window function over select with WHERE
+--echo # that is always FALSE
+--echo #
+
+CREATE TABLE t1 (i INT);
+INSERT INTO t1 VALUES (3), (1), (2);
+
+SELECT i, ROW_NUMBER() OVER () FROM t1 WHERE 1 = 2;
+
+SELECT i, COUNT(*) OVER () FROM t1 WHERE 1 = 2;
+
+DROP TABLE t1;
+