summaryrefslogtreecommitdiff
path: root/mysql-test
diff options
context:
space:
mode:
authorunknown <monty@mashka.mysql.fi>2002-12-27 21:39:35 +0200
committerunknown <monty@mashka.mysql.fi>2002-12-27 21:39:35 +0200
commitd78c9adb55a7f43bc234cfbf818ce8183ec73daf (patch)
tree80868d909a3253f702316058295646695044c0d3 /mysql-test
parent22611051945dc581414895086bd114dd597f69c7 (diff)
downloadmariadb-git-d78c9adb55a7f43bc234cfbf818ce8183ec73daf.tar.gz
Fixed max_key_length when using UNIQUE keys.
This fixed a bug in GROUP BY on a BLOB column with NULL values. myisam/mi_create.c: Fixed max_key_length when using UNIQUE keys. myisam/mi_unique.c: Simple optimization Make different CRC for keys with null and empty strings. mysql-test/r/group_by.result: Updated results mysql-test/t/group_by.test: Test of bug
Diffstat (limited to 'mysql-test')
-rw-r--r--mysql-test/r/group_by.result8
-rw-r--r--mysql-test/t/group_by.test11
2 files changed, 19 insertions, 0 deletions
diff --git a/mysql-test/r/group_by.result b/mysql-test/r/group_by.result
index 0b720bc3d97..3bd3eeb5efd 100644
--- a/mysql-test/r/group_by.result
+++ b/mysql-test/r/group_by.result
@@ -102,3 +102,11 @@ pid c1id c2id value id active id active
1 4 NULL 4 4 Yes NULL NULL
max(value)
4
+a count(*)
+NULL 9
+ 3
+b 1
+a count(*)
+NULL 9
+ 3
+b 1
diff --git a/mysql-test/t/group_by.test b/mysql-test/t/group_by.test
index db6baec4b9f..b21ae88007b 100644
--- a/mysql-test/t/group_by.test
+++ b/mysql-test/t/group_by.test
@@ -312,3 +312,14 @@ m.c1id = c1.id AND c1.active = 'Yes' LEFT JOIN t3 AS c2 ON m.c2id =
c2.id AND c2.active = 'Yes' WHERE m.pid=1 AND (c1.id IS NOT NULL OR c2.id IS
NOT NULL);
drop table t1,t2,t3;
+
+#
+# Test bug in GROUP BY on BLOB that is NULL or empty
+#
+
+create table t1 (a blob null);
+insert into t1 values (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(""),(""),(""),("b");
+select a,count(*) from t1 group by a;
+set option sql_big_tables=1;
+select a,count(*) from t1 group by a;
+drop table t1;