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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysql-test/main/win_rank.test
parentInitial commit. (diff)
downloadmariadb-upstream.tar.xz
mariadb-upstream.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/main/win_rank.test')
-rw-r--r--mysql-test/main/win_rank.test61
1 files changed, 61 insertions, 0 deletions
diff --git a/mysql-test/main/win_rank.test b/mysql-test/main/win_rank.test
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@@ -0,0 +1,61 @@
+--echo #
+--echo # Try DENSE_RANK() function
+--echo #
+
+create table t1 (
+ pk int primary key,
+ a int,
+ b int
+);
+
+insert into t1 values
+( 1 , 0, 10),
+( 2 , 0, 10),
+( 3 , 1, 10),
+( 4 , 1, 10),
+( 8 , 2, 10),
+( 5 , 2, 20),
+( 6 , 2, 20),
+( 7 , 2, 20),
+( 9 , 4, 20),
+(10 , 4, 20);
+
+select a, rank() over (order by a) as rank,
+ dense_rank() over (order by a) as dense_rank
+from t1;
+select a, b, rank() over (partition by b order by a) as rank,
+ dense_rank() over (partition by b order by a) as dense_rank
+from t1;
+
+drop table t1;
+
+--echo #
+--echo # Test with null values in the table.
+--echo #
+
+create table t2 (s1 int, s2 char(5));
+insert into t2 values (1,'a');
+insert into t2 values (null,null);
+insert into t2 values (1,null);
+insert into t2 values (null,'a');
+insert into t2 values (null,'c');
+insert into t2 values (2,'b');
+insert into t2 values (-1,'');
+
+select *, rank() over (order by s1) as rank,
+ dense_rank() over (order by s1) as dense_rank
+from t2
+order by s1, s2;
+select *, rank() over (partition by s2 order by s1) as rank,
+ dense_rank() over (partition by s2 order by s1) as dense_rank
+from t2
+order by s1, s2;
+select *, rank() over (order by s2) as rank,
+ dense_rank() over (order by s2) as dense_rank
+from t2
+order by s2, s1;
+select *, rank() over (partition by s1 order by s2) as rank,
+ dense_rank() over (partition by s1 order by s2) as dense_rank
+from t2;
+
+drop table t2;