1 files changed, 56 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/r/innodb-alter.result b/mysql-test/suite/innodb/r/innodb-alter.result
index 16c33ee0..edeebac5 100644
--- a/mysql-test/suite/innodb/r/innodb-alter.result
+++ b/mysql-test/suite/innodb/r/innodb-alter.result
@@ -1090,3 +1090,59 @@ ALTER TABLE t1 ADD COLUMN b DATETIME NOT NULL, LOCK=NONE;
 # Cleanup
 SET @@SQL_MODE= @OLD_SQL_MODE;
 DROP TABLE t1;
+#
+# Bug#20977779 CANNOT IMPORT TABLES CONTAINING PREFIX INDEXES
+#
+CREATE TABLE t1 (c1 VARCHAR(32), c2 VARCHAR(32), c3 VARCHAR(32),
+PRIMARY KEY (c1, c2, c3))
+ENGINE=InnoDB;
+ALTER TABLE t1 ADD INDEX ind1(c1(5), c2, c3);
+ALTER TABLE t1 ADD INDEX ind2(c3, c1(10), c2);
+ALTER TABLE t1 ADD INDEX ind3(c2, c3, c1(20));
+INSERT INTO t1 VALUES ('Test Data -1', 'Test Data -2', 'Test Data -3');
+# Test with 2ndary index having prefix
+FLUSH TABLES test.t1 FOR EXPORT;
+UNLOCK TABLES;
+ALTER TABLE test.t1 DISCARD TABLESPACE;
+ALTER TABLE test.t1 IMPORT TABLESPACE;
+CHECK TABLE test.t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+SHOW CREATE TABLE test.t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `c1` varchar(32) NOT NULL,
+  `c2` varchar(32) NOT NULL,
+  `c3` varchar(32) NOT NULL,
+  PRIMARY KEY (`c1`,`c2`,`c3`),
+  KEY `ind1` (`c1`(5),`c2`,`c3`),
+  KEY `ind2` (`c3`,`c1`(10),`c2`),
+  KEY `ind3` (`c2`,`c3`,`c1`(20))
+) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
+SELECT * FROM test.t1;
+c1	c2	c3
+Test Data -1	Test Data -2	Test Data -3
+# Test with PK & 2ndary index with prefix
+ALTER TABLE t1 DROP PRIMARY KEY, ADD PRIMARY KEY(c1(5), c2(10), c3(20));
+FLUSH TABLES test.t1 FOR EXPORT;
+UNLOCK TABLES;
+ALTER TABLE test.t1 DISCARD TABLESPACE;
+ALTER TABLE test.t1 IMPORT TABLESPACE;
+CHECK TABLE test.t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+SHOW CREATE TABLE test.t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `c1` varchar(32) NOT NULL,
+  `c2` varchar(32) NOT NULL,
+  `c3` varchar(32) NOT NULL,
+  PRIMARY KEY (`c1`(5),`c2`(10),`c3`(20)),
+  KEY `ind1` (`c1`(5),`c2`,`c3`),
+  KEY `ind2` (`c3`,`c1`(10),`c2`),
+  KEY `ind3` (`c2`,`c3`,`c1`(20))
+) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
+SELECT * FROM test.t1;
+c1	c2	c3
+Test Data -1	Test Data -2	Test Data -3
+DROP TABLE t1;