1 files changed, 47 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/r/alter_key_block_size-11757.result b/mysql-test/suite/innodb/r/alter_key_block_size-11757.result
new file mode 100644
index 00000000000..400a3d0df3c
--- /dev/null
+++ b/mysql-test/suite/innodb/r/alter_key_block_size-11757.result
@@ -0,0 +1,47 @@
+set global innodb_file_format=barracuda;
+create table t1 (
+id1 bigint(20) not null,
+id2 bigint(20) not null,
+primary key (id1),
+unique key id2 (id2)
+) engine=innodb row_format=compressed key_block_size=8;
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `id1` bigint(20) NOT NULL,
+  `id2` bigint(20) NOT NULL,
+  PRIMARY KEY (`id1`),
+  UNIQUE KEY `id2` (`id2`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=8
+alter table t1 row_format=dynamic;
+Warnings:
+Warning	1478	InnoDB: ignoring KEY_BLOCK_SIZE=8 unless ROW_FORMAT=COMPRESSED.
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `id1` bigint(20) NOT NULL,
+  `id2` bigint(20) NOT NULL,
+  PRIMARY KEY (`id1`),
+  UNIQUE KEY `id2` (`id2`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC KEY_BLOCK_SIZE=8
+alter table t1 key_block_size=0;
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `id1` bigint(20) NOT NULL,
+  `id2` bigint(20) NOT NULL,
+  PRIMARY KEY (`id1`) KEY_BLOCK_SIZE=8,
+  UNIQUE KEY `id2` (`id2`) KEY_BLOCK_SIZE=8
+) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC
+alter table t1 drop primary key, add primary key (id1),
+drop key id2, add unique (id2);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `id1` bigint(20) NOT NULL,
+  `id2` bigint(20) NOT NULL,
+  PRIMARY KEY (`id1`),
+  UNIQUE KEY `id2` (`id2`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC
+drop table t1;
+set global innodb_file_format=default;