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-rw-r--r--mysql-test/t/myisam.test35
1 files changed, 34 insertions, 1 deletions
diff --git a/mysql-test/t/myisam.test b/mysql-test/t/myisam.test
index 541f2be65d5..8c43ce1937f 100644
--- a/mysql-test/t/myisam.test
+++ b/mysql-test/t/myisam.test
@@ -363,6 +363,40 @@ explain select * from t1 use index() where c=1;
drop table t1,t2;
#
+# Test bug when updating a split dynamic row where keys are not changed
+#
+
+create table t1 (a int not null auto_increment primary key, b varchar(255));
+insert into t1 (b) values (repeat('a',100)),(repeat('b',100)),(repeat('c',100));
+update t1 set b=repeat(left(b,1),200) where a=1;
+delete from t1 where (a & 1)= 0;
+update t1 set b=repeat('e',200) where a=1;
+flush tables;
+check table t1;
+
+#
+# check updating with keys
+#
+
+disable_query_log;
+let $1 = 100;
+while ($1)
+{
+ eval insert into t1 (b) values (repeat(char(($1 & 32)+65), $1));
+ dec $1;
+}
+enable_query_log;
+update t1 set b=repeat(left(b,1),255) where a between 1 and 5;
+update t1 set b=repeat(left(b,1),10) where a between 32 and 43;
+update t1 set b=repeat(left(b,1),2) where a between 64 and 66;
+update t1 set b=repeat(left(b,1),65) where a between 67 and 70;
+check table t1;
+insert into t1 (b) values (repeat('z',100));
+update t1 set b="test" where left(b,1) > 'n';
+check table t1;
+drop table t1;
+
+#
# Test RTREE index
#
--error 1235
@@ -380,4 +414,3 @@ checksum table t1, t2, t3;
checksum table t1, t2, t3 extended;
#show table status;
drop table t1,t2;
-