Merge with 5.1

Fixes to get Aria handler tests to work.
Fixes LP#697597 "HANDLER + Aria asserts in maria-5.3-handler" 

10 files changed, 3607 insertions, 0 deletions

diff --git a/mysql-test/suite/handler/aria.result b/mysql-test/suite/handler/aria.result
new file mode 100644
index 00000000000..89595c0a62a
--- /dev/null
+++ b/mysql-test/suite/handler/aria.result
@@ -0,0 +1,799 @@
+SET SESSION STORAGE_ENGINE = Aria;
+drop table if exists t1,t3,t4,t5;
+create table t1 (a int, b char(10), key a  (a), key b  (a,b));
+insert into t1 values
+(17,"ddd"),(18,"eee"),(19,"fff"),(19,"yyy"),
+(14,"aaa"),(16,"ccc"),(16,"xxx"),
+(20,"ggg"),(21,"hhh"),(22,"iii");
+handler t1 open as t2;
+handler t2 read a first;
+a	b
+14	aaa
+handler t2 read a next;
+a	b
+16	ccc
+handler t2 read a next;
+a	b
+16	xxx
+handler t2 read a prev;
+a	b
+16	ccc
+handler t2 read a last;
+a	b
+22	iii
+handler t2 read a prev;
+a	b
+21	hhh
+handler t2 read a prev;
+a	b
+20	ggg
+handler t2 read a first;
+a	b
+14	aaa
+handler t2 read a prev;
+a	b
+handler t2 read a last;
+a	b
+22	iii
+handler t2 read a prev;
+a	b
+21	hhh
+handler t2 read a next;
+a	b
+22	iii
+handler t2 read a next;
+a	b
+handler t2 read a=(15);
+a	b
+handler t2 read a=(16);
+a	b
+16	ccc
+handler t2 read a=(19,"fff");
+ERROR 42000: Too many key parts specified; max 1 parts allowed
+handler t2 read b=(19,"fff");
+a	b
+19	fff
+handler t2 read b=(19,"yyy");
+a	b
+19	yyy
+handler t2 read b=(19);
+a	b
+19	fff
+handler t1 read a last;
+ERROR 42S02: Unknown table 't1' in HANDLER
+handler t2 read a=(11);
+a	b
+handler t2 read a>=(11);
+a	b
+14	aaa
+handler t2 read a=(18);
+a	b
+18	eee
+handler t2 read a>=(18);
+a	b
+18	eee
+handler t2 read a>(18);
+a	b
+19	fff
+handler t2 read a<=(18);
+a	b
+18	eee
+handler t2 read a<(18);
+a	b
+17	ddd
+handler t2 read a=(15);
+a	b
+handler t2 read a>=(15);
+a	b
+16	ccc
+handler t2 read a>(15);
+a	b
+16	ccc
+handler t2 read a<=(15);
+a	b
+14	aaa
+handler t2 read a<(15);
+a	b
+14	aaa
+handler t2 read a=(54);
+a	b
+handler t2 read a>=(54);
+a	b
+handler t2 read a>(54);
+a	b
+handler t2 read a<=(54);
+a	b
+22	iii
+handler t2 read a<(54);
+a	b
+22	iii
+handler t2 read a=(1);
+a	b
+handler t2 read a>=(1);
+a	b
+14	aaa
+handler t2 read a>(1);
+a	b
+14	aaa
+handler t2 read a<=(1);
+a	b
+handler t2 read a<(1);
+a	b
+handler t2 read a first limit 5;
+a	b
+14	aaa
+16	ccc
+16	xxx
+17	ddd
+18	eee
+handler t2 read a next  limit 3;
+a	b
+19	fff
+19	yyy
+20	ggg
+handler t2 read a prev  limit 10;
+a	b
+19	yyy
+19	fff
+18	eee
+17	ddd
+16	xxx
+16	ccc
+14	aaa
+handler t2 read a>=(16) limit 4;
+a	b
+16	ccc
+16	xxx
+17	ddd
+18	eee
+handler t2 read a>=(16) limit 2,2;
+a	b
+17	ddd
+18	eee
+select * from t1 where a>=16 limit 2,2;
+a	b
+17	ddd
+18	eee
+handler t2 read a last  limit 3;
+a	b
+22	iii
+21	hhh
+20	ggg
+handler t2 read a=(16) limit 1,3;
+a	b
+16	xxx
+handler t2 read a=(19);
+a	b
+19	fff
+handler t2 read a=(19) where b="yyy";
+a	b
+19	yyy
+handler t2 read first;
+a	b
+17	ddd
+handler t2 read next;
+a	b
+18	eee
+handler t2 read next;
+a	b
+19	fff
+handler t2 close;
+handler t1 open;
+handler t1 read a next;
+a	b
+14	aaa
+handler t1 read a next;
+a	b
+16	ccc
+handler t1 close;
+handler t1 open;
+handler t1 read a prev;
+a	b
+22	iii
+handler t1 read a prev;
+a	b
+21	hhh
+handler t1 close;
+handler t1 open as t2;
+handler t2 read first;
+a	b
+17	ddd
+alter table t1 engine = Aria;
+handler t2 read first;
+ERROR 42S02: Unknown table 't2' in HANDLER
+handler t1 open;
+handler t1 read a=(16) limit 1,3;
+a	b
+16	xxx
+flush tables;
+handler t1 read a=(16) limit 1,3;
+a	b
+16	xxx
+handler t1 close;
+handler t1 open;
+prepare stmt from 'handler t1 read a=(?) limit ?,?';
+set @a=16,@b=1,@c=100;
+execute stmt using @a,@b,@c;
+a	b
+16	xxx
+set @a=16,@b=2,@c=1;
+execute stmt using @a,@b,@c;
+a	b
+set @a=16,@b=0,@c=2;
+execute stmt using @a,@b,@c;
+a	b
+16	ccc
+16	xxx
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read a next limit ?';
+handler t1 read a>=(11);
+a	b
+14	aaa
+set @a=3;
+execute stmt using @a;
+a	b
+16	ccc
+16	xxx
+17	ddd
+execute stmt using @a;
+a	b
+18	eee
+19	fff
+19	yyy
+execute stmt using @a;
+a	b
+20	ggg
+21	hhh
+22	iii
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read b prev limit ?';
+execute stmt using @a;
+a	b
+22	iii
+21	hhh
+20	ggg
+execute stmt using @a;
+a	b
+19	yyy
+19	fff
+18	eee
+execute stmt using @a;
+a	b
+17	ddd
+16	xxx
+16	ccc
+execute stmt using @a;
+a	b
+14	aaa
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read b=(?,?)';
+set @a=14, @b='aaa';
+execute stmt using @a,@b;
+a	b
+14	aaa
+set @a=14, @b='not found';
+execute stmt using @a,@b;
+a	b
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read b=(1+?) limit 10';
+set @a=15;
+execute stmt using @a;
+a	b
+16	ccc
+16	xxx
+execute stmt using @a;
+a	b
+16	ccc
+16	xxx
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read a>=(?) where a < ? limit 5';
+set @a=15, @b=20;
+execute stmt using @a,@b;
+a	b
+16	ccc
+16	xxx
+17	ddd
+18	eee
+19	fff
+execute stmt using @a,@b;
+a	b
+16	ccc
+16	xxx
+17	ddd
+18	eee
+19	fff
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read a=(?)';
+set @a=16;
+execute stmt using @a;
+a	b
+16	ccc
+alter table t1 add c int;
+execute stmt using @a;
+ERROR 42S02: Unknown table 't1' in HANDLER
+deallocate prepare stmt;
+handler t1 close;
+ERROR 42S02: Unknown table 't1' in HANDLER
+handler t1 open;
+prepare stmt from 'handler t1 read a=(?)';
+flush tables;
+set @a=16;
+execute stmt using @a;
+ERROR HY000: Prepared statement needs to be re-prepared
+deallocate prepare stmt;
+handler t1 close;
+handler t1 open as t2;
+drop table t1;
+create table t1 (a int not null);
+insert into t1 values (17);
+handler t2 read first;
+ERROR 42S02: Unknown table 't2' in HANDLER
+handler t1 open as t2;
+alter table t1 engine=CSV;
+handler t2 read first;
+ERROR 42S02: Unknown table 't2' in HANDLER
+drop table t1;
+create table t1 (a int);
+insert into t1 values (1),(2),(3),(4),(5),(6);
+delete from t1 limit 2;
+handler t1 open;
+handler t1 read first;
+a
+3
+handler t1 read first limit 1,1;
+a
+4
+handler t1 read first limit 2,2;
+a
+5
+6
+delete from t1 limit 3;
+handler t1 read first;
+a
+6
+drop table t1;
+create table t1(a int, index  (a));
+insert into t1 values (1), (2), (3);
+handler t1 open;
+handler t1 read a=(W);
+ERROR 42S22: Unknown column 'W' in 'field list'
+handler t1 read a=(a);
+ERROR HY000: Incorrect arguments to HANDLER ... READ
+drop table t1;
+create table t1 (a char(5));
+insert into t1 values ("Ok");
+handler t1 open as t;
+handler t read first;
+a
+Ok
+use mysql;
+handler t read first;
+a
+Ok
+handler t close;
+handler test.t1 open as t;
+handler t read first;
+a
+Ok
+handler t close;
+use test;
+drop table t1;
+create table t1 ( a int, b int, INDEX a  (a) );
+insert into t1 values (1,2), (2,1);
+handler t1 open;
+handler t1 read a=(1) where b=2;
+a	b
+1	2
+handler t1 read a=(1) where b=3;
+a	b
+handler t1 read a=(1) where b=1;
+a	b
+handler t1 close;
+drop table t1;
+create table t1 (c1 char(20));
+insert into t1 values ("t1");
+handler t1 open as h1;
+handler h1 read first limit 9;
+c1
+t1
+create table t2 (c1 char(20));
+insert into t2 values ("t2");
+handler t2 open as h2;
+handler h2 read first limit 9;
+c1
+t2
+create table t3 (c1 char(20));
+insert into t3 values ("t3");
+handler t3 open as h3;
+handler h3 read first limit 9;
+c1
+t3
+create table t4 (c1 char(20));
+insert into t4 values ("t4");
+handler t4 open as h4;
+handler h4 read first limit 9;
+c1
+t4
+create table t5 (c1 char(20));
+insert into t5 values ("t5");
+handler t5 open as h5;
+handler h5 read first limit 9;
+c1
+t5
+alter table t1 engine=MyISAM;
+handler h1 read first limit 9;
+ERROR 42S02: Unknown table 'h1' in HANDLER
+handler h2 read first limit 9;
+c1
+t2
+handler h3 read first limit 9;
+c1
+t3
+handler h4 read first limit 9;
+c1
+t4
+handler h5 read first limit 9;
+c1
+t5
+alter table t5 engine=MyISAM;
+handler h1 read first limit 9;
+ERROR 42S02: Unknown table 'h1' in HANDLER
+handler h2 read first limit 9;
+c1
+t2
+handler h3 read first limit 9;
+c1
+t3
+handler h4 read first limit 9;
+c1
+t4
+handler h5 read first limit 9;
+ERROR 42S02: Unknown table 'h5' in HANDLER
+alter table t3 engine=MyISAM;
+handler h1 read first limit 9;
+ERROR 42S02: Unknown table 'h1' in HANDLER
+handler h2 read first limit 9;
+c1
+t2
+handler h3 read first limit 9;
+ERROR 42S02: Unknown table 'h3' in HANDLER
+handler h4 read first limit 9;
+c1
+t4
+handler h5 read first limit 9;
+ERROR 42S02: Unknown table 'h5' in HANDLER
+handler h2 close;
+handler h4 close;
+handler t1 open as h1_1;
+handler t1 open as h1_2;
+handler t1 open as h1_3;
+handler h1_1 read first limit 9;
+c1
+t1
+handler h1_2 read first limit 9;
+c1
+t1
+handler h1_3 read first limit 9;
+c1
+t1
+alter table t1 engine=Aria;
+handler h1_1 read first limit 9;
+ERROR 42S02: Unknown table 'h1_1' in HANDLER
+handler h1_2 read first limit 9;
+ERROR 42S02: Unknown table 'h1_2' in HANDLER
+handler h1_3 read first limit 9;
+ERROR 42S02: Unknown table 'h1_3' in HANDLER
+drop table t1;
+drop table t2;
+drop table t3;
+drop table t4;
+drop table t5;
+create table t1 (c1 int);
+insert into t1 values (1);
+handler t1 open;
+handler t1 read first;
+c1
+1
+send the below to another connection, do not wait for the result
+optimize table t1;
+proceed with the normal connection
+handler t1 read next;
+c1
+1
+handler t1 close;
+read the result from the other connection
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	status	OK
+proceed with the normal connection
+drop table t1;
+CREATE TABLE t1 (  no1 smallint(5) NOT NULL default '0',  no2 int(10) NOT NULL default '0',  PRIMARY KEY  (no1,no2));
+INSERT INTO t1 VALUES (1,274),(1,275),(2,6),(2,8),(4,1),(4,2);
+HANDLER t1 OPEN;
+HANDLER t1 READ `primary` = (1, 1000);
+no1	no2
+HANDLER t1 READ `primary` PREV;
+no1	no2
+1	275
+HANDLER t1 READ `primary` = (1, 1000);
+no1	no2
+HANDLER t1 READ `primary` NEXT;
+no1	no2
+2	6
+DROP TABLE t1;
+create table t1 (c1 int);
+insert into t1 values (14397);
+flush tables with read lock;
+drop table t1;
+ERROR HY000: Can't execute the query because you have a conflicting read lock
+send the below to another connection, do not wait for the result
+drop table t1;
+proceed with the normal connection
+select * from t1;
+c1
+14397
+unlock tables;
+read the result from the other connection
+proceed with the normal connection
+select * from t1;
+ERROR 42S02: Table 'test.t1' doesn't exist
+drop table if exists t1;
+Warnings:
+Note	1051	Unknown table 't1'
+create table t1 (a int not null) ENGINE=CSV;
+--> client 2
+handler t1 open;
+ERROR HY000: Table storage engine for 't1' doesn't have this option
+--> client 1
+drop table t1;
+create table t1 (a int);
+handler t1 open as t1_alias;
+handler t1_alias read a next;
+ERROR 42000: Key 'a' doesn't exist in table 't1_alias'
+handler t1_alias READ a next where inexistent > 0;
+ERROR 42S22: Unknown column 'inexistent' in 'field list'
+handler t1_alias read a next;
+ERROR 42000: Key 'a' doesn't exist in table 't1_alias'
+handler t1_alias READ a next where inexistent > 0;
+ERROR 42S22: Unknown column 'inexistent' in 'field list'
+handler t1_alias close;
+drop table t1;
+create temporary table t1 (a int, b char(1), key a  (a), key b(a,b));
+insert into t1 values (0,"a"),(1,"b"),(2,"c"),(3,"d"),(4,"e"),
+(5,"f"),(6,"g"),(7,"h"),(8,"i"),(9,"j"),(9,'k');
+select a,b from t1;
+a	b
+0	a
+1	b
+2	c
+3	d
+4	e
+5	f
+6	g
+7	h
+8	i
+9	j
+9	k
+handler t1 open as a1;
+handler a1 read a=(1);
+a	b
+1	b
+handler a1 read a next;
+a	b
+2	c
+handler a1 read a next;
+a	b
+3	d
+select a,b from t1;
+ERROR HY000: Can't reopen table: 'a1'
+handler a1 read a prev;
+a	b
+2	c
+handler a1 read a prev;
+a	b
+1	b
+handler a1 read a=(6) where b="g";
+a	b
+6	g
+handler a1 close;
+select a,b from t1;
+a	b
+0	a
+1	b
+2	c
+3	d
+4	e
+5	f
+6	g
+7	h
+8	i
+9	j
+9	k
+handler t1 open as a2;
+handler a2 read a=(9);
+a	b
+9	j
+handler a2 read a next;
+a	b
+9	k
+handler a2 read a prev limit 2;
+a	b
+9	j
+8	i
+handler a2 read a last;
+a	b
+9	k
+handler a2 read a prev;
+a	b
+9	j
+handler a2 close;
+drop table t1;
+create table t1 (a int);
+create temporary table t2 (a int, key  (a));
+handler t1 open as a1;
+handler t2 open as a2;
+handler a2 read a first;
+a
+drop table t1, t2;
+handler a2 read a next;
+ERROR 42S02: Unknown table 'a2' in HANDLER
+handler a1 close;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+create table t1 (a int, key  (a));
+create table t2 like t1;
+handler t1 open as a1;
+handler t2 open as a2;
+handler a1 read a first;
+a
+handler a2 read a first;
+a
+alter table t1 add b int;
+handler a1 close;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+handler a2 close;
+drop table t1, t2;
+create table t1 (a int, key  (a));
+handler t1 open as a1;
+handler a1 read a first;
+a
+rename table t1 to t2;
+handler a1 read a first;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+drop table t2;
+create table t1 (a int, key  (a));
+create table t2 like t1;
+handler t1 open as a1;
+handler t2 open as a2;
+handler a1 read a first;
+a
+handler a2 read a first;
+a
+optimize table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	status	Table is already up to date
+handler a1 close;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+handler a2 close;
+drop table t1, t2;
+#
+# BUG#51877 - HANDLER interface causes invalid memory read
+#
+CREATE TABLE t1(a INT, KEY  (a));
+HANDLER t1 OPEN;
+HANDLER t1 READ a FIRST;
+a
+INSERT INTO t1 VALUES(1);
+HANDLER t1 READ a NEXT;
+a
+1
+HANDLER t1 CLOSE;
+DROP TABLE t1;
+#
+# BUG #46456: HANDLER OPEN + TRUNCATE + DROP (temporary) TABLE, crash 
+#
+CREATE TABLE t1 AS SELECT 1 AS f1;
+HANDLER t1 OPEN;
+TRUNCATE t1;
+HANDLER t1 READ FIRST;
+ERROR 42S02: Unknown table 't1' in HANDLER
+DROP TABLE t1;
+CREATE TEMPORARY TABLE t1 AS SELECT 1 AS f1;
+HANDLER t1 OPEN;
+TRUNCATE t1;
+HANDLER t1 READ FIRST;
+ERROR 42S02: Unknown table 't1' in HANDLER
+DROP TABLE t1;
+#
+# Bug #54007: assert in ha_myisam::index_next , HANDLER
+#
+CREATE TABLE t1(a INT, b INT, PRIMARY KEY(a), KEY b(b), KEY ab(a, b));
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+a	b
+HANDLER t1 READ `PRIMARY` NEXT;
+a	b
+HANDLER t1 READ ab NEXT;
+a	b
+HANDLER t1 READ b NEXT;
+a	b
+HANDLER t1 READ NEXT;
+a	b
+HANDLER t1 CLOSE;
+INSERT INTO t1 VALUES (2, 20), (1, 10), (4, 40), (3, 30);
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+a	b
+2	20
+HANDLER t1 READ NEXT;
+a	b
+1	10
+HANDLER t1 READ `PRIMARY` NEXT;
+a	b
+1	10
+HANDLER t1 READ `PRIMARY` NEXT;
+a	b
+2	20
+HANDLER t1 READ ab NEXT;
+a	b
+1	10
+HANDLER t1 READ ab NEXT;
+a	b
+2	20
+HANDLER t1 READ b NEXT;
+a	b
+1	10
+HANDLER t1 READ b NEXT;
+a	b
+2	20
+HANDLER t1 READ b NEXT;
+a	b
+3	30
+HANDLER t1 READ b NEXT;
+a	b
+4	40
+HANDLER t1 READ b NEXT;
+a	b
+HANDLER t1 READ NEXT;
+a	b
+2	20
+HANDLER t1 READ NEXT;
+a	b
+1	10
+HANDLER t1 READ NEXT;
+a	b
+4	40
+HANDLER t1 CLOSE;
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+a	b
+2	20
+HANDLER t1 READ `PRIMARY` PREV;
+a	b
+4	40
+HANDLER t1 READ `PRIMARY` PREV;
+a	b
+3	30
+HANDLER t1 READ b PREV;
+a	b
+4	40
+HANDLER t1 READ b PREV;
+a	b
+3	30
+HANDLER t1 CLOSE;
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+a	b
+2	20
+HANDLER t1 READ `PRIMARY` PREV LIMIT 3;
+a	b
+4	40
+3	30
+2	20
+HANDLER t1 READ b NEXT LIMIT 5;
+a	b
+1	10
+2	20
+3	30
+4	40
+HANDLER t1 CLOSE;
+DROP TABLE t1;
+End of 5.1 tests
diff --git a/mysql-test/suite/handler/aria.test b/mysql-test/suite/handler/aria.test
new file mode 100644
index 00000000000..1913d2b791c
--- /dev/null
+++ b/mysql-test/suite/handler/aria.test
@@ -0,0 +1,82 @@
+# t/handler_innodb.test
+#
+# test of HANDLER ...
+#
+# Last update:
+# 2006-07-31 ML test refactored (MySQL 5.1)
+#               code of t/handler.test and t/innodb_handler.test united
+#               main testing code put into handler.inc
+#               rename t/innodb_handler.test to t/handler_innodb.test
+#
+
+--source include/have_maria.inc
+let $engine_type= Aria;
+
+--source init.inc
+--source handler.inc
+
+--echo #
+--echo # BUG #46456: HANDLER OPEN + TRUNCATE + DROP (temporary) TABLE, crash 
+--echo #
+CREATE TABLE t1 AS SELECT 1 AS f1; 
+HANDLER t1 OPEN;
+TRUNCATE t1;
+--error ER_UNKNOWN_TABLE
+HANDLER t1 READ FIRST;
+DROP TABLE t1;
+
+CREATE TEMPORARY TABLE t1 AS SELECT 1 AS f1; 
+HANDLER t1 OPEN;
+TRUNCATE t1;
+--error ER_UNKNOWN_TABLE
+HANDLER t1 READ FIRST;
+DROP TABLE t1;
+
+--echo #
+--echo # Bug #54007: assert in ha_myisam::index_next , HANDLER
+--echo #
+CREATE TABLE t1(a INT, b INT, PRIMARY KEY(a), KEY b(b), KEY ab(a, b));
+
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+HANDLER t1 READ `PRIMARY` NEXT;
+HANDLER t1 READ ab NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ NEXT;
+HANDLER t1 CLOSE;
+
+INSERT INTO t1 VALUES (2, 20), (1, 10), (4, 40), (3, 30);
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+HANDLER t1 READ NEXT;
+HANDLER t1 READ `PRIMARY` NEXT;
+HANDLER t1 READ `PRIMARY` NEXT;
+HANDLER t1 READ ab NEXT;
+HANDLER t1 READ ab NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ NEXT;
+HANDLER t1 READ NEXT;
+HANDLER t1 READ NEXT;
+HANDLER t1 CLOSE;
+
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+HANDLER t1 READ `PRIMARY` PREV;
+HANDLER t1 READ `PRIMARY` PREV;
+HANDLER t1 READ b PREV;
+HANDLER t1 READ b PREV;
+HANDLER t1 CLOSE;
+
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+HANDLER t1 READ `PRIMARY` PREV LIMIT 3;
+HANDLER t1 READ b NEXT LIMIT 5;
+HANDLER t1 CLOSE;
+
+DROP TABLE t1;
+
+--echo End of 5.1 tests
diff --git a/mysql-test/suite/handler/handler.inc b/mysql-test/suite/handler/handler.inc
new file mode 100644
index 00000000000..1ed80cce200
--- /dev/null
+++ b/mysql-test/suite/handler/handler.inc
@@ -0,0 +1,539 @@
+# handler.inc
+#
+# See init.inc for setup of variables for this script
+# 
+# The variables
+#     $engine_type       -- storage engine to be tested
+#     $other_engine_type -- storage engine <> $engine_type
+#     $other_handler_engine_type -- storage engine <> $engine_type, if possible
+#                           1. $other_handler_engine_type must support handler
+#                           2. $other_handler_engine_type must point to an all
+#                              time available storage engine
+#                              2006-08 MySQL 5.1 MyISAM and MEMORY only
+#
+# test of HANDLER ...
+#
+# Last update:
+# 2006-07-31 ML test refactored (MySQL 5.1)
+#               code of t/handler.test and t/innodb_handler.test united
+#               main testing code put into handler.inc
+#
+
+#
+# Start testing the table created in init.inc
+#
+handler t1 open as t2;
+handler t2 read a first;
+handler t2 read a next;
+handler t2 read a next;
+handler t2 read a prev;
+handler t2 read a last;
+handler t2 read a prev;
+handler t2 read a prev;
+
+handler t2 read a first;
+handler t2 read a prev;
+
+handler t2 read a last;
+handler t2 read a prev;
+handler t2 read a next;
+handler t2 read a next;
+
+handler t2 read a=(15);
+handler t2 read a=(16);
+
+--error 1070
+handler t2 read a=(19,"fff");
+
+handler t2 read b=(19,"fff");
+handler t2 read b=(19,"yyy");
+handler t2 read b=(19);
+
+--error 1109
+handler t1 read a last;
+
+handler t2 read a=(11);
+handler t2 read a>=(11);
+
+# Search on something we ca nfind
+handler t2 read a=(18);
+handler t2 read a>=(18);
+handler t2 read a>(18);
+handler t2 read a<=(18);
+handler t2 read a<(18);
+
+# Search on something we can't find
+handler t2 read a=(15);
+handler t2 read a>=(15);
+handler t2 read a>(15);
+handler t2 read a<=(15);
+handler t2 read a<(15);
+
+# Search from upper end
+handler t2 read a=(54);
+handler t2 read a>=(54);
+handler t2 read a>(54);
+handler t2 read a<=(54);
+handler t2 read a<(54);
+
+# Search from lower end
+handler t2 read a=(1);
+handler t2 read a>=(1);
+handler t2 read a>(1);
+handler t2 read a<=(1);
+handler t2 read a<(1);
+
+handler t2 read a first limit 5;
+handler t2 read a next  limit 3;
+handler t2 read a prev  limit 10;
+
+handler t2 read a>=(16) limit 4;
+handler t2 read a>=(16) limit 2,2;
+select * from t1 where a>=16 limit 2,2;
+handler t2 read a last  limit 3;
+handler t2 read a=(16) limit 1,3;
+handler t2 read a=(19);
+handler t2 read a=(19) where b="yyy";
+
+handler t2 read first;
+handler t2 read next;
+handler t2 read next;
+handler t2 close;
+
+handler t1 open;
+handler t1 read a next; # this used to crash as a bug#5373
+handler t1 read a next;
+handler t1 close;
+
+handler t1 open;
+handler t1 read a prev; # this used to crash as a bug#5373
+handler t1 read a prev;
+handler t1 close;
+
+handler t1 open as t2;
+handler t2 read first;
+eval alter table t1 engine = $engine_type;
+--error 1109
+handler t2 read first;
+
+handler t1 open;
+handler t1 read a=(16) limit 1,3;
+flush tables;
+handler t1 read a=(16) limit 1,3;
+handler t1 close;
+
+#
+# Test with prepared statements
+#
+
+handler t1 open;
+prepare stmt from 'handler t1 read a=(?) limit ?,?';
+set @a=16,@b=1,@c=100;
+execute stmt using @a,@b,@c;
+set @a=16,@b=2,@c=1;
+execute stmt using @a,@b,@c;
+set @a=16,@b=0,@c=2;
+execute stmt using @a,@b,@c;
+deallocate prepare stmt;
+
+prepare stmt from 'handler t1 read a next limit ?';
+handler t1 read a>=(11);
+set @a=3;
+execute stmt using @a;
+execute stmt using @a;
+execute stmt using @a;
+deallocate prepare stmt;
+
+prepare stmt from 'handler t1 read b prev limit ?';
+execute stmt using @a;
+execute stmt using @a;
+execute stmt using @a;
+execute stmt using @a;
+deallocate prepare stmt;
+
+prepare stmt from 'handler t1 read b=(?,?)';
+set @a=14, @b='aaa';
+execute stmt using @a,@b;
+set @a=14, @b='not found';
+execute stmt using @a,@b;
+deallocate prepare stmt;
+
+prepare stmt from 'handler t1 read b=(1+?) limit 10';
+set @a=15;
+execute stmt using @a;
+execute stmt using @a;
+deallocate prepare stmt;
+
+prepare stmt from 'handler t1 read a>=(?) where a < ? limit 5';
+set @a=15, @b=20;
+execute stmt using @a,@b;
+execute stmt using @a,@b;
+deallocate prepare stmt;
+
+prepare stmt from 'handler t1 read a=(?)';
+set @a=16;
+execute stmt using @a;
+alter table t1 add c int;
+--error 1109
+execute stmt using @a;
+deallocate prepare stmt;
+--error 1109
+handler t1 close;
+
+handler t1 open;
+prepare stmt from 'handler t1 read a=(?)';
+flush tables;
+set @a=16;
+--error ER_NEED_REPREPARE
+execute stmt using @a;
+deallocate prepare stmt;
+handler t1 close;
+
+#
+# DROP TABLE / ALTER TABLE
+#
+handler t1 open as t2;
+drop table t1;
+create table t1 (a int not null);
+insert into t1 values (17);
+--error 1109
+handler t2 read first;
+handler t1 open as t2;
+eval alter table t1 engine=$other_engine_type;
+--error 1109
+handler t2 read first;
+drop table t1;
+
+#
+# Test case for the bug #787
+#
+create table t1 (a int);
+insert into t1 values (1),(2),(3),(4),(5),(6);
+delete from t1 limit 2;
+handler t1 open;
+handler t1 read first;
+handler t1 read first limit 1,1;
+handler t1 read first limit 2,2;
+delete from t1 limit 3;
+handler t1 read first;
+drop table t1;
+
+#
+# Test for #751
+#
+eval create table t1(a int, index $key_type (a));
+insert into t1 values (1), (2), (3);
+handler t1 open;
+--error 1054
+handler t1 read a=(W);
+--error 1210
+handler t1 read a=(a);
+drop table t1;
+#
+# BUG#2304
+#
+create table t1 (a char(5));
+insert into t1 values ("Ok");
+handler t1 open as t;
+handler t read first;
+use mysql;
+handler t read first;
+handler t close;
+handler test.t1 open as t;
+handler t read first;
+handler t close;
+use test;
+drop table t1;
+
+#
+# BUG#3649
+#
+eval create table t1 ( a int, b int, INDEX a $key_type (a) );
+insert into t1 values (1,2), (2,1);
+handler t1 open;
+handler t1 read a=(1) where b=2;
+handler t1 read a=(1) where b=3;
+handler t1 read a=(1) where b=1;
+handler t1 close;
+drop table t1;
+
+#
+# Test if fix for BUG#4286 correctly closes handler tables.
+#
+create table t1 (c1 char(20));
+insert into t1 values ("t1");
+handler t1 open as h1;
+handler h1 read first limit 9;
+create table t2 (c1 char(20));
+insert into t2 values ("t2");
+handler t2 open as h2;
+handler h2 read first limit 9;
+create table t3 (c1 char(20));
+insert into t3 values ("t3");
+handler t3 open as h3;
+handler h3 read first limit 9;
+create table t4 (c1 char(20));
+insert into t4 values ("t4");
+handler t4 open as h4;
+handler h4 read first limit 9;
+create table t5 (c1 char(20));
+insert into t5 values ("t5");
+handler t5 open as h5;
+handler h5 read first limit 9;
+# close first
+eval alter table t1 engine=$other_handler_engine_type;
+--error 1109
+handler h1 read first limit 9;
+handler h2 read first limit 9;
+handler h3 read first limit 9;
+handler h4 read first limit 9;
+handler h5 read first limit 9;
+# close last
+eval alter table t5 engine=$other_handler_engine_type;
+--error 1109
+handler h1 read first limit 9;
+handler h2 read first limit 9;
+handler h3 read first limit 9;
+handler h4 read first limit 9;
+--error 1109
+handler h5 read first limit 9;
+# close middle
+eval alter table t3 engine=$other_handler_engine_type;
+--error 1109
+handler h1 read first limit 9;
+handler h2 read first limit 9;
+--error 1109
+handler h3 read first limit 9;
+handler h4 read first limit 9;
+--error 1109
+handler h5 read first limit 9;
+handler h2 close;
+handler h4 close;
+# close all depending handler tables
+handler t1 open as h1_1;
+handler t1 open as h1_2;
+handler t1 open as h1_3;
+handler h1_1 read first limit 9;
+handler h1_2 read first limit 9;
+handler h1_3 read first limit 9;
+eval alter table t1 engine=$engine_type;
+--error 1109
+handler h1_1 read first limit 9;
+--error 1109
+handler h1_2 read first limit 9;
+--error 1109
+handler h1_3 read first limit 9;
+drop table t1;
+drop table t2;
+drop table t3;
+drop table t4;
+drop table t5;
+
+#
+# Bug#14397 - OPTIMIZE TABLE with an open HANDLER causes a crash
+#
+create table t1 (c1 int);
+insert into t1 values (1);
+# client 1
+handler t1 open;
+handler t1 read first;
+# client 2
+connect (con2,localhost,root,,);
+connection con2;
+--exec echo send the below to another connection, do not wait for the result
+send optimize table t1;
+--sleep 1
+# client 1
+--exec echo proceed with the normal connection
+connection default;
+handler t1 read next;
+handler t1 close;
+# client 2
+--exec echo read the result from the other connection
+connection con2;
+reap;
+# client 1
+--exec echo proceed with the normal connection
+connection default;
+drop table t1;
+
+eval CREATE TABLE t1 (  no1 smallint(5) NOT NULL default '0',  no2 int(10) NOT NULL default '0',  PRIMARY KEY $key_type (no1,no2));
+INSERT INTO t1 VALUES (1,274),(1,275),(2,6),(2,8),(4,1),(4,2);
+HANDLER t1 OPEN;
+HANDLER t1 READ `primary` = (1, 1000);
+HANDLER t1 READ `primary` PREV;
+HANDLER t1 READ `primary` = (1, 1000);
+HANDLER t1 READ `primary` NEXT;
+DROP TABLE t1;
+
+# End of 4.1 tests
+
+#
+# Addendum to Bug#14397 - OPTIMIZE TABLE with an open HANDLER causes a crash
+# Show that DROP TABLE can no longer deadlock against
+# FLUSH TABLES WITH READ LOCK. This is a 5.0 issue.
+#
+create table t1 (c1 int);
+insert into t1 values (14397);
+flush tables with read lock;
+# The thread with the global read lock cannot drop the table itself:
+--error 1223
+drop table t1;
+#
+# client 2
+# We need a second connection to try the drop.
+# The drop waits for the global read lock to go away.
+# Without the addendum fix it locked LOCK_open before entering the wait loop.
+connection con2;
+--exec echo send the below to another connection, do not wait for the result
+send drop table t1;
+--sleep 1
+#
+# client 1
+# Now we need something that wants LOCK_open. A simple table access which
+# opens the table does the trick.
+--exec echo proceed with the normal connection
+connection default;
+# This would hang on LOCK_open without the 5.0 addendum fix.
+select * from t1;
+# Release the read lock. This should make the DROP go through.
+unlock tables;
+#
+# client 2
+# Read the result of the drop command.
+connection con2;
+--exec echo read the result from the other connection
+reap;
+#
+# client 1
+# Now back to normal operation. The table should not exist any more.
+--exec echo proceed with the normal connection
+connection default;
+--error 1146
+select * from t1;
+# Just to be sure and not confuse the next test case writer.
+drop table if exists t1;
+
+#
+# Bug#25856 - HANDLER table OPEN in one connection lock DROP TABLE in another one
+#
+eval create table t1 (a int not null) ENGINE=$other_engine_type;
+--echo --> client 2
+connection con2;
+--error 1031
+handler t1 open;
+--echo --> client 1
+connection default;
+drop table t1;
+disconnect con2;
+
+#
+# Bug#30632 HANDLER read failure causes hang
+#
+create table t1 (a int);
+handler t1 open as t1_alias;
+--error 1176
+handler t1_alias read a next;
+--error 1054
+handler t1_alias READ a next where inexistent > 0;
+--error 1176
+handler t1_alias read a next;
+--error 1054
+handler t1_alias READ a next where inexistent > 0;
+handler t1_alias close;
+drop table t1;
+
+#
+# Bug#30882 Dropping a temporary table inside a stored function may cause a server crash
+#
+# Test HANDLER statements in conjunction with temporary tables. While the temporary table
+# is open by a HANDLER, no other statement can access it.
+#
+
+eval create temporary table t1 (a int, b char(1), key a $key_type (a), key b(a,b));
+insert into t1 values (0,"a"),(1,"b"),(2,"c"),(3,"d"),(4,"e"),
+                      (5,"f"),(6,"g"),(7,"h"),(8,"i"),(9,"j"),(9,'k');
+select a,b from t1;
+handler t1 open as a1;
+handler a1 read a=(1);
+handler a1 read a next;
+handler a1 read a next;
+--error ER_CANT_REOPEN_TABLE
+select a,b from t1;
+handler a1 read a prev;
+handler a1 read a prev;
+handler a1 read a=(6) where b="g";
+handler a1 close;
+select a,b from t1;
+handler t1 open as a2;
+handler a2 read a=(9);
+handler a2 read a next;
+handler a2 read a prev limit 2;
+--error 0,1031
+handler a2 read a last;
+handler a2 read a prev;
+handler a2 close;
+drop table t1;
+
+# Test that temporary tables associated with handlers are properly dropped.
+
+create table t1 (a int);
+eval create temporary table t2 (a int, key $key_type (a));
+handler t1 open as a1;
+handler t2 open as a2;
+handler a2 read a first;
+drop table t1, t2;
+--error ER_UNKNOWN_TABLE
+handler a2 read a next;
+--error ER_UNKNOWN_TABLE
+handler a1 close;
+
+# Alter table drop handlers
+
+eval create table t1 (a int, key $key_type (a));
+create table t2 like t1;
+handler t1 open as a1;
+handler t2 open as a2;
+handler a1 read a first;
+handler a2 read a first;
+alter table t1 add b int;
+--error ER_UNKNOWN_TABLE
+handler a1 close;
+handler a2 close;
+drop table t1, t2;
+
+# Rename table drop handlers
+
+eval create table t1 (a int, key $key_type (a));
+handler t1 open as a1;
+handler a1 read a first;
+rename table t1 to t2;
+--error ER_UNKNOWN_TABLE
+handler a1 read a first;
+drop table t2;
+
+# Optimize table drop handlers
+
+eval create table t1 (a int, key $key_type (a));
+create table t2 like t1;
+handler t1 open as a1;
+handler t2 open as a2;
+handler a1 read a first;
+handler a2 read a first;
+optimize table t1;
+--error ER_UNKNOWN_TABLE
+handler a1 close;
+handler a2 close;
+drop table t1, t2;
+
+--echo #
+--echo # BUG#51877 - HANDLER interface causes invalid memory read
+--echo #
+eval CREATE TABLE t1(a INT, KEY $key_type (a));
+HANDLER t1 OPEN;
+HANDLER t1 READ a FIRST;
+INSERT INTO t1 VALUES(1);
+--error 0,ER_CHECKREAD
+HANDLER t1 READ a NEXT;
+HANDLER t1 CLOSE;
+DROP TABLE t1;
diff --git a/mysql-test/suite/handler/init.inc b/mysql-test/suite/handler/init.inc
new file mode 100644
index 00000000000..32c6010f95b
--- /dev/null
+++ b/mysql-test/suite/handler/init.inc
@@ -0,0 +1,33 @@
+# Setup things for handler.inc
+#
+# Input variables
+#     $engine_type       -- storage engine to be tested
+#     $key_type          -- set if you want a non standard key type
+#
+# This scripts sets up default values for:
+#     $other_engine_type -- storage engine <> $engine_type
+#     $other_handler_engine_type -- storage engine <> $engine_type, if possible
+#                           1. $other_handler_engine_type must support handler
+#                           2. $other_handler_engine_type must point to an all
+#                              time available storage engine
+# have to be set before sourcing this script.
+#
+# Handler tests don't work with embedded server
+#
+-- source include/not_embedded.inc
+
+eval SET SESSION STORAGE_ENGINE = $engine_type;
+let $other_engine_type= CSV;
+let $other_handler_engine_type= MyISAM;
+
+--disable_warnings
+drop table if exists t1,t3,t4,t5;
+--enable_warnings
+
+# Create default test table
+
+eval create table t1 (a int, b char(10), key a $key_type (a), key b $key_type (a,b));
+insert into t1 values
+(17,"ddd"),(18,"eee"),(19,"fff"),(19,"yyy"),
+(14,"aaa"),(16,"ccc"),(16,"xxx"),
+(20,"ggg"),(21,"hhh"),(22,"iii");
diff --git a/mysql-test/suite/handler/innodb.result b/mysql-test/suite/handler/innodb.result
new file mode 100644
index 00000000000..a8700c8b4bb
--- /dev/null
+++ b/mysql-test/suite/handler/innodb.result
@@ -0,0 +1,690 @@
+SET SESSION STORAGE_ENGINE = InnoDB;
+drop table if exists t1,t3,t4,t5;
+create table t1 (a int, b char(10), key a  (a), key b  (a,b));
+insert into t1 values
+(17,"ddd"),(18,"eee"),(19,"fff"),(19,"yyy"),
+(14,"aaa"),(16,"ccc"),(16,"xxx"),
+(20,"ggg"),(21,"hhh"),(22,"iii");
+handler t1 open as t2;
+handler t2 read a first;
+a	b
+14	aaa
+handler t2 read a next;
+a	b
+16	ccc
+handler t2 read a next;
+a	b
+16	xxx
+handler t2 read a prev;
+a	b
+16	ccc
+handler t2 read a last;
+a	b
+22	iii
+handler t2 read a prev;
+a	b
+21	hhh
+handler t2 read a prev;
+a	b
+20	ggg
+handler t2 read a first;
+a	b
+14	aaa
+handler t2 read a prev;
+a	b
+handler t2 read a last;
+a	b
+22	iii
+handler t2 read a prev;
+a	b
+21	hhh
+handler t2 read a next;
+a	b
+22	iii
+handler t2 read a next;
+a	b
+handler t2 read a=(15);
+a	b
+handler t2 read a=(16);
+a	b
+16	ccc
+handler t2 read a=(19,"fff");
+ERROR 42000: Too many key parts specified; max 1 parts allowed
+handler t2 read b=(19,"fff");
+a	b
+19	fff
+handler t2 read b=(19,"yyy");
+a	b
+19	yyy
+handler t2 read b=(19);
+a	b
+19	fff
+handler t1 read a last;
+ERROR 42S02: Unknown table 't1' in HANDLER
+handler t2 read a=(11);
+a	b
+handler t2 read a>=(11);
+a	b
+14	aaa
+handler t2 read a=(18);
+a	b
+18	eee
+handler t2 read a>=(18);
+a	b
+18	eee
+handler t2 read a>(18);
+a	b
+19	fff
+handler t2 read a<=(18);
+a	b
+18	eee
+handler t2 read a<(18);
+a	b
+17	ddd
+handler t2 read a=(15);
+a	b
+handler t2 read a>=(15);
+a	b
+16	ccc
+handler t2 read a>(15);
+a	b
+16	ccc
+handler t2 read a<=(15);
+a	b
+14	aaa
+handler t2 read a<(15);
+a	b
+14	aaa
+handler t2 read a=(54);
+a	b
+handler t2 read a>=(54);
+a	b
+handler t2 read a>(54);
+a	b
+handler t2 read a<=(54);
+a	b
+22	iii
+handler t2 read a<(54);
+a	b
+22	iii
+handler t2 read a=(1);
+a	b
+handler t2 read a>=(1);
+a	b
+14	aaa
+handler t2 read a>(1);
+a	b
+14	aaa
+handler t2 read a<=(1);
+a	b
+handler t2 read a<(1);
+a	b
+handler t2 read a first limit 5;
+a	b
+14	aaa
+16	ccc
+16	xxx
+17	ddd
+18	eee
+handler t2 read a next  limit 3;
+a	b
+19	fff
+19	yyy
+20	ggg
+handler t2 read a prev  limit 10;
+a	b
+19	yyy
+19	fff
+18	eee
+17	ddd
+16	xxx
+16	ccc
+14	aaa
+handler t2 read a>=(16) limit 4;
+a	b
+16	ccc
+16	xxx
+17	ddd
+18	eee
+handler t2 read a>=(16) limit 2,2;
+a	b
+17	ddd
+18	eee
+select * from t1 where a>=16 limit 2,2;
+a	b
+17	ddd
+18	eee
+handler t2 read a last  limit 3;
+a	b
+22	iii
+21	hhh
+20	ggg
+handler t2 read a=(16) limit 1,3;
+a	b
+16	xxx
+handler t2 read a=(19);
+a	b
+19	fff
+handler t2 read a=(19) where b="yyy";
+a	b
+19	yyy
+handler t2 read first;
+a	b
+17	ddd
+handler t2 read next;
+a	b
+18	eee
+handler t2 read next;
+a	b
+19	fff
+handler t2 close;
+handler t1 open;
+handler t1 read a next;
+a	b
+14	aaa
+handler t1 read a next;
+a	b
+16	ccc
+handler t1 close;
+handler t1 open;
+handler t1 read a prev;
+a	b
+22	iii
+handler t1 read a prev;
+a	b
+21	hhh
+handler t1 close;
+handler t1 open as t2;
+handler t2 read first;
+a	b
+17	ddd
+alter table t1 engine = InnoDB;
+handler t2 read first;
+ERROR 42S02: Unknown table 't2' in HANDLER
+handler t1 open;
+handler t1 read a=(16) limit 1,3;
+a	b
+16	xxx
+flush tables;
+handler t1 read a=(16) limit 1,3;
+a	b
+16	xxx
+handler t1 close;
+handler t1 open;
+prepare stmt from 'handler t1 read a=(?) limit ?,?';
+set @a=16,@b=1,@c=100;
+execute stmt using @a,@b,@c;
+a	b
+16	xxx
+set @a=16,@b=2,@c=1;
+execute stmt using @a,@b,@c;
+a	b
+set @a=16,@b=0,@c=2;
+execute stmt using @a,@b,@c;
+a	b
+16	ccc
+16	xxx
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read a next limit ?';
+handler t1 read a>=(11);
+a	b
+14	aaa
+set @a=3;
+execute stmt using @a;
+a	b
+16	ccc
+16	xxx
+17	ddd
+execute stmt using @a;
+a	b
+18	eee
+19	fff
+19	yyy
+execute stmt using @a;
+a	b
+20	ggg
+21	hhh
+22	iii
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read b prev limit ?';
+execute stmt using @a;
+a	b
+22	iii
+21	hhh
+20	ggg
+execute stmt using @a;
+a	b
+19	yyy
+19	fff
+18	eee
+execute stmt using @a;
+a	b
+17	ddd
+16	xxx
+16	ccc
+execute stmt using @a;
+a	b
+14	aaa
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read b=(?,?)';
+set @a=14, @b='aaa';
+execute stmt using @a,@b;
+a	b
+14	aaa
+set @a=14, @b='not found';
+execute stmt using @a,@b;
+a	b
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read b=(1+?) limit 10';
+set @a=15;
+execute stmt using @a;
+a	b
+16	ccc
+16	xxx
+execute stmt using @a;
+a	b
+16	ccc
+16	xxx
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read a>=(?) where a < ? limit 5';
+set @a=15, @b=20;
+execute stmt using @a,@b;
+a	b
+16	ccc
+16	xxx
+17	ddd
+18	eee
+19	fff
+execute stmt using @a,@b;
+a	b
+16	ccc
+16	xxx
+17	ddd
+18	eee
+19	fff
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read a=(?)';
+set @a=16;
+execute stmt using @a;
+a	b
+16	ccc
+alter table t1 add c int;
+execute stmt using @a;
+ERROR 42S02: Unknown table 't1' in HANDLER
+deallocate prepare stmt;
+handler t1 close;
+ERROR 42S02: Unknown table 't1' in HANDLER
+handler t1 open;
+prepare stmt from 'handler t1 read a=(?)';
+flush tables;
+set @a=16;
+execute stmt using @a;
+ERROR HY000: Prepared statement needs to be re-prepared
+deallocate prepare stmt;
+handler t1 close;
+handler t1 open as t2;
+drop table t1;
+create table t1 (a int not null);
+insert into t1 values (17);
+handler t2 read first;
+ERROR 42S02: Unknown table 't2' in HANDLER
+handler t1 open as t2;
+alter table t1 engine=CSV;
+handler t2 read first;
+ERROR 42S02: Unknown table 't2' in HANDLER
+drop table t1;
+create table t1 (a int);
+insert into t1 values (1),(2),(3),(4),(5),(6);
+delete from t1 limit 2;
+handler t1 open;
+handler t1 read first;
+a
+3
+handler t1 read first limit 1,1;
+a
+4
+handler t1 read first limit 2,2;
+a
+5
+6
+delete from t1 limit 3;
+handler t1 read first;
+a
+6
+drop table t1;
+create table t1(a int, index  (a));
+insert into t1 values (1), (2), (3);
+handler t1 open;
+handler t1 read a=(W);
+ERROR 42S22: Unknown column 'W' in 'field list'
+handler t1 read a=(a);
+ERROR HY000: Incorrect arguments to HANDLER ... READ
+drop table t1;
+create table t1 (a char(5));
+insert into t1 values ("Ok");
+handler t1 open as t;
+handler t read first;
+a
+Ok
+use mysql;
+handler t read first;
+a
+Ok
+handler t close;
+handler test.t1 open as t;
+handler t read first;
+a
+Ok
+handler t close;
+use test;
+drop table t1;
+create table t1 ( a int, b int, INDEX a  (a) );
+insert into t1 values (1,2), (2,1);
+handler t1 open;
+handler t1 read a=(1) where b=2;
+a	b
+1	2
+handler t1 read a=(1) where b=3;
+a	b
+handler t1 read a=(1) where b=1;
+a	b
+handler t1 close;
+drop table t1;
+create table t1 (c1 char(20));
+insert into t1 values ("t1");
+handler t1 open as h1;
+handler h1 read first limit 9;
+c1
+t1
+create table t2 (c1 char(20));
+insert into t2 values ("t2");
+handler t2 open as h2;
+handler h2 read first limit 9;
+c1
+t2
+create table t3 (c1 char(20));
+insert into t3 values ("t3");
+handler t3 open as h3;
+handler h3 read first limit 9;
+c1
+t3
+create table t4 (c1 char(20));
+insert into t4 values ("t4");
+handler t4 open as h4;
+handler h4 read first limit 9;
+c1
+t4
+create table t5 (c1 char(20));
+insert into t5 values ("t5");
+handler t5 open as h5;
+handler h5 read first limit 9;
+c1
+t5
+alter table t1 engine=MyISAM;
+handler h1 read first limit 9;
+ERROR 42S02: Unknown table 'h1' in HANDLER
+handler h2 read first limit 9;
+c1
+t2
+handler h3 read first limit 9;
+c1
+t3
+handler h4 read first limit 9;
+c1
+t4
+handler h5 read first limit 9;
+c1
+t5
+alter table t5 engine=MyISAM;
+handler h1 read first limit 9;
+ERROR 42S02: Unknown table 'h1' in HANDLER
+handler h2 read first limit 9;
+c1
+t2
+handler h3 read first limit 9;
+c1
+t3
+handler h4 read first limit 9;
+c1
+t4
+handler h5 read first limit 9;
+ERROR 42S02: Unknown table 'h5' in HANDLER
+alter table t3 engine=MyISAM;
+handler h1 read first limit 9;
+ERROR 42S02: Unknown table 'h1' in HANDLER
+handler h2 read first limit 9;
+c1
+t2
+handler h3 read first limit 9;
+ERROR 42S02: Unknown table 'h3' in HANDLER
+handler h4 read first limit 9;
+c1
+t4
+handler h5 read first limit 9;
+ERROR 42S02: Unknown table 'h5' in HANDLER
+handler h2 close;
+handler h4 close;
+handler t1 open as h1_1;
+handler t1 open as h1_2;
+handler t1 open as h1_3;
+handler h1_1 read first limit 9;
+c1
+t1
+handler h1_2 read first limit 9;
+c1
+t1
+handler h1_3 read first limit 9;
+c1
+t1
+alter table t1 engine=InnoDB;
+handler h1_1 read first limit 9;
+ERROR 42S02: Unknown table 'h1_1' in HANDLER
+handler h1_2 read first limit 9;
+ERROR 42S02: Unknown table 'h1_2' in HANDLER
+handler h1_3 read first limit 9;
+ERROR 42S02: Unknown table 'h1_3' in HANDLER
+drop table t1;
+drop table t2;
+drop table t3;
+drop table t4;
+drop table t5;
+create table t1 (c1 int);
+insert into t1 values (1);
+handler t1 open;
+handler t1 read first;
+c1
+1
+send the below to another connection, do not wait for the result
+optimize table t1;
+proceed with the normal connection
+handler t1 read next;
+c1
+1
+handler t1 close;
+read the result from the other connection
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	note	Table does not support optimize, doing recreate + analyze instead
+test.t1	optimize	status	OK
+proceed with the normal connection
+drop table t1;
+CREATE TABLE t1 (  no1 smallint(5) NOT NULL default '0',  no2 int(10) NOT NULL default '0',  PRIMARY KEY  (no1,no2));
+INSERT INTO t1 VALUES (1,274),(1,275),(2,6),(2,8),(4,1),(4,2);
+HANDLER t1 OPEN;
+HANDLER t1 READ `primary` = (1, 1000);
+no1	no2
+HANDLER t1 READ `primary` PREV;
+no1	no2
+1	275
+HANDLER t1 READ `primary` = (1, 1000);
+no1	no2
+HANDLER t1 READ `primary` NEXT;
+no1	no2
+2	8
+DROP TABLE t1;
+create table t1 (c1 int);
+insert into t1 values (14397);
+flush tables with read lock;
+drop table t1;
+ERROR HY000: Can't execute the query because you have a conflicting read lock
+send the below to another connection, do not wait for the result
+drop table t1;
+proceed with the normal connection
+select * from t1;
+c1
+14397
+unlock tables;
+read the result from the other connection
+proceed with the normal connection
+select * from t1;
+ERROR 42S02: Table 'test.t1' doesn't exist
+drop table if exists t1;
+Warnings:
+Note	1051	Unknown table 't1'
+create table t1 (a int not null) ENGINE=CSV;
+--> client 2
+handler t1 open;
+ERROR HY000: Table storage engine for 't1' doesn't have this option
+--> client 1
+drop table t1;
+create table t1 (a int);
+handler t1 open as t1_alias;
+handler t1_alias read a next;
+ERROR 42000: Key 'a' doesn't exist in table 't1_alias'
+handler t1_alias READ a next where inexistent > 0;
+ERROR 42S22: Unknown column 'inexistent' in 'field list'
+handler t1_alias read a next;
+ERROR 42000: Key 'a' doesn't exist in table 't1_alias'
+handler t1_alias READ a next where inexistent > 0;
+ERROR 42S22: Unknown column 'inexistent' in 'field list'
+handler t1_alias close;
+drop table t1;
+create temporary table t1 (a int, b char(1), key a  (a), key b(a,b));
+insert into t1 values (0,"a"),(1,"b"),(2,"c"),(3,"d"),(4,"e"),
+(5,"f"),(6,"g"),(7,"h"),(8,"i"),(9,"j"),(9,'k');
+select a,b from t1;
+a	b
+0	a
+1	b
+2	c
+3	d
+4	e
+5	f
+6	g
+7	h
+8	i
+9	j
+9	k
+handler t1 open as a1;
+handler a1 read a=(1);
+a	b
+1	b
+handler a1 read a next;
+a	b
+2	c
+handler a1 read a next;
+a	b
+3	d
+select a,b from t1;
+ERROR HY000: Can't reopen table: 'a1'
+handler a1 read a prev;
+a	b
+2	c
+handler a1 read a prev;
+a	b
+1	b
+handler a1 read a=(6) where b="g";
+a	b
+6	g
+handler a1 close;
+select a,b from t1;
+a	b
+0	a
+1	b
+2	c
+3	d
+4	e
+5	f
+6	g
+7	h
+8	i
+9	j
+9	k
+handler t1 open as a2;
+handler a2 read a=(9);
+a	b
+9	j
+handler a2 read a next;
+a	b
+9	k
+handler a2 read a prev limit 2;
+a	b
+9	j
+8	i
+handler a2 read a last;
+a	b
+9	k
+handler a2 read a prev;
+a	b
+9	j
+handler a2 close;
+drop table t1;
+create table t1 (a int);
+create temporary table t2 (a int, key  (a));
+handler t1 open as a1;
+handler t2 open as a2;
+handler a2 read a first;
+a
+drop table t1, t2;
+handler a2 read a next;
+ERROR 42S02: Unknown table 'a2' in HANDLER
+handler a1 close;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+create table t1 (a int, key  (a));
+create table t2 like t1;
+handler t1 open as a1;
+handler t2 open as a2;
+handler a1 read a first;
+a
+handler a2 read a first;
+a
+alter table t1 add b int;
+handler a1 close;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+handler a2 close;
+drop table t1, t2;
+create table t1 (a int, key  (a));
+handler t1 open as a1;
+handler a1 read a first;
+a
+rename table t1 to t2;
+handler a1 read a first;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+drop table t2;
+create table t1 (a int, key  (a));
+create table t2 like t1;
+handler t1 open as a1;
+handler t2 open as a2;
+handler a1 read a first;
+a
+handler a2 read a first;
+a
+optimize table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	note	Table does not support optimize, doing recreate + analyze instead
+test.t1	optimize	status	OK
+handler a1 close;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+handler a2 close;
+drop table t1, t2;
+#
+# BUG#51877 - HANDLER interface causes invalid memory read
+#
+CREATE TABLE t1(a INT, KEY  (a));
+HANDLER t1 OPEN;
+HANDLER t1 READ a FIRST;
+a
+INSERT INTO t1 VALUES(1);
+HANDLER t1 READ a NEXT;
+a
+HANDLER t1 CLOSE;
+DROP TABLE t1;
diff --git a/mysql-test/suite/handler/innodb.test b/mysql-test/suite/handler/innodb.test
new file mode 100644
index 00000000000..f4e4bf7cc3f
--- /dev/null
+++ b/mysql-test/suite/handler/innodb.test
@@ -0,0 +1,17 @@
+# t/handler_innodb.test
+#
+# test of HANDLER ...
+#
+# Last update:
+# 2006-07-31 ML test refactored (MySQL 5.1)
+#               code of t/handler.test and t/innodb_handler.test united
+#               main testing code put into handler.inc
+#               rename t/innodb_handler.test to t/handler_innodb.test
+#
+
+--source include/have_innodb.inc
+
+let $engine_type= InnoDB;
+
+--source init.inc
+--source handler.inc
diff --git a/mysql-test/suite/handler/interface.result b/mysql-test/suite/handler/interface.result
new file mode 100644
index 00000000000..0b5a4447739
--- /dev/null
+++ b/mysql-test/suite/handler/interface.result
@@ -0,0 +1,259 @@
+drop table if exists t1,t3,t4,t5;
+drop database if exists test_test;
+SET SESSION STORAGE_ENGINE = MyISAM;
+drop table if exists t1,t3,t4,t5;
+create table t1 (a int, b char(10), key a  (a), key b  (a,b));
+insert into t1 values
+(17,"ddd"),(18,"eee"),(19,"fff"),(19,"yyy"),
+(14,"aaa"),(16,"ccc"),(16,"xxx"),
+(20,"ggg"),(21,"hhh"),(22,"iii");
+handler t1 open;
+handler t1 read a=(SELECT 1);
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'SELECT 1)' at line 1
+handler t1 read a=(1) FIRST;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FIRST' at line 1
+handler t1 read a=(1) NEXT;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'NEXT' at line 1
+handler t1 read last;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
+handler t1 close;
+drop table t1;
+CREATE TABLE t1(a INT, PRIMARY KEY(a));
+insert into t1 values(1),(2);
+handler t1 open;
+handler t1 read primary=(1);
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'primary=(1)' at line 1
+handler t1 read `primary`=(1);
+a
+1
+handler t1 close;
+drop table t1;
+create database test_test;
+use test_test;
+create table t1(table_id char(20), primary key  (table_id));
+insert into t1 values ('test_test.t1');
+insert into t1 values ('');
+handler t1 open;
+handler t1 read first limit 9;
+table_id
+test_test.t1
+
+create table t2(table_id char(20), primary key  (table_id));
+insert into t2 values ('test_test.t2');
+insert into t2 values ('');
+handler t2 open;
+handler t2 read first limit 9;
+table_id
+test_test.t2
+
+use test;
+create table t1(table_id char(20), primary key  (table_id));
+insert into t1 values ('test.t1');
+insert into t1 values ('');
+handler t1 open;
+ERROR 42000: Not unique table/alias: 't1'
+use test;
+handler test.t1 read first limit 9;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'read first limit 9' at line 1
+handler test_test.t1 read first limit 9;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'read first limit 9' at line 1
+handler t1 read first limit 9;
+table_id
+test_test.t1
+
+handler test_test.t2 read first limit 9;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'read first limit 9' at line 1
+handler t2 read first limit 9;
+table_id
+test_test.t2
+
+handler test_test.t1 close;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1
+handler t1 close;
+drop table test_test.t1;
+handler test_test.t2 close;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1
+handler t2 close;
+drop table test_test.t2;
+drop database test_test;
+use test;
+handler test.t1 close;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1
+handler t1 close;
+ERROR 42S02: Unknown table 't1' in HANDLER
+drop table test.t1;
+create database test_test;
+use test_test;
+create table t1 (c1 char(20));
+insert into t1 values ('test_test.t1');
+create table t3 (c1 char(20));
+insert into t3 values ('test_test.t3');
+handler t1 open;
+handler t1 read first limit 9;
+c1
+test_test.t1
+handler t1 open h1;
+handler h1 read first limit 9;
+c1
+test_test.t1
+use test;
+create table t1 (c1 char(20));
+create table t2 (c1 char(20));
+create table t3 (c1 char(20));
+insert into t1 values ('t1');
+insert into t2 values ('t2');
+insert into t3 values ('t3');
+handler t1 open;
+ERROR 42000: Not unique table/alias: 't1'
+handler t2 open t1;
+ERROR 42000: Not unique table/alias: 't1'
+handler t3 open t1;
+ERROR 42000: Not unique table/alias: 't1'
+handler t1 read first limit 9;
+c1
+test_test.t1
+handler test.t1 close;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1
+handler test.t1 open h1;
+ERROR 42000: Not unique table/alias: 'h1'
+handler test_test.t1 open h1;
+ERROR 42000: Not unique table/alias: 'h1'
+handler test_test.t3 open h3;
+handler test.t1 open h2;
+handler t1 read first limit 9;
+c1
+test_test.t1
+handler h1 read first limit 9;
+c1
+test_test.t1
+handler h2 read first limit 9;
+c1
+t1
+handler h3 read first limit 9;
+c1
+test_test.t3
+handler h2 read first limit 9;
+c1
+t1
+handler test.h1 close;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1
+handler t1 close;
+handler h1 close;
+handler h2 close;
+handler t1 read first limit 9;
+ERROR 42S02: Unknown table 't1' in HANDLER
+handler h1 read first limit 9;
+ERROR 42S02: Unknown table 'h1' in HANDLER
+handler h2 read first limit 9;
+ERROR 42S02: Unknown table 'h2' in HANDLER
+handler h3 read first limit 9;
+c1
+test_test.t3
+handler h3 read first limit 9;
+c1
+test_test.t3
+use test_test;
+handler h3 read first limit 9;
+c1
+test_test.t3
+handler test.h3 read first limit 9;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'read first limit 9' at line 1
+handler h3 close;
+use test;
+drop table t3;
+drop table t2;
+drop table t1;
+drop database test_test;
+create table t1 (c1 int);
+create table t2 (c1 int);
+insert into t1 values (1);
+insert into t2 values (2);
+connection: default
+handler t1 open;
+handler t1 read first;
+c1
+1
+connection: flush
+flush tables;;
+connection: default
+handler t2 open;
+handler t2 read first;
+c1
+2
+handler t1 read next;
+c1
+1
+handler t1 close;
+handler t2 close;
+drop table t1,t2;
+create table t1 (a int);
+handler t1 open as t1_alias;
+drop table t1;
+create table t1 (a int);
+handler t1 open as t1_alias;
+flush tables;
+drop table t1;
+create table t1 (a int);
+handler t1 open as t1_alias;
+handler t1_alias close;
+drop table t1;
+create table t1 (a int);
+handler t1 open as t1_alias;
+handler t1_alias read first;
+a
+drop table t1;
+handler t1_alias read next;
+ERROR 42S02: Unknown table 't1_alias' in HANDLER
+create table t1 (c1 int);
+connection: default
+handler t1 open;
+handler t1 read first;
+c1
+connection: flush
+rename table t1 to t2;;
+connection: default
+handler t2 open;
+handler t2 read first;
+c1
+handler t1 read next;
+ERROR 42S02: Table 'test.t1' doesn't exist
+handler t1 close;
+handler t2 close;
+drop table t2;
+create table t1 (a int, b char(1), key a  (a), key b  (a,b));
+insert into t1 values (0,"a"),(1,"b"),(2,"c"),(3,"d"),(4,"e"),
+(5,"f"),(6,"g"),(7,"h"),(8,"i"),(9,"j");
+handler t1 open;
+handler t1 read a first;
+a	b
+0	a
+handler t1 read a next;
+a	b
+1	b
+flush tables;
+handler t1 read a next;
+a	b
+0	a
+handler t1 read a next;
+a	b
+1	b
+flush tables with read lock;
+handler t1 read a next;
+a	b
+0	a
+unlock tables;
+drop table t1;
+handler t1 read a next;
+ERROR 42S02: Unknown table 't1' in HANDLER
+drop table if exists t1;
+create table t1 (a int not null);
+insert into t1 values (1);
+handler t1 open;
+alter table t1 engine=csv;
+handler t1 read a next;
+ERROR HY000: Table storage engine for 't1' doesn't have this option
+handler t1 close;
+drop table t1;
+USE information_schema;
+HANDLER COLUMNS OPEN;
+ERROR HY000: Incorrect usage of HANDLER OPEN and information_schema
diff --git a/mysql-test/suite/handler/interface.test b/mysql-test/suite/handler/interface.test
new file mode 100644
index 00000000000..809f0228f98
--- /dev/null
+++ b/mysql-test/suite/handler/interface.test
@@ -0,0 +1,307 @@
+#
+# Tests of handler interface that are system independent
+#
+# Handler tests don't work yet with embedded server
+#
+-- source include/not_embedded.inc
+
+--disable_warnings
+drop table if exists t1,t3,t4,t5;
+drop database if exists test_test;
+--enable_warnings
+
+# Run tests with myisam (any engine should be ok)
+
+let $engine_type= MyISAM;
+
+--source init.inc
+
+#
+# Do some syntax checking
+#
+
+handler t1 open;
+--error ER_PARSE_ERROR
+handler t1 read a=(SELECT 1);
+--error ER_PARSE_ERROR
+handler t1 read a=(1) FIRST;
+--error ER_PARSE_ERROR
+handler t1 read a=(1) NEXT;
+--error ER_PARSE_ERROR
+handler t1 read last;
+handler t1 close;
+drop table t1;
+
+CREATE TABLE t1(a INT, PRIMARY KEY(a));
+insert into t1 values(1),(2);
+handler t1 open;
+--error ER_PARSE_ERROR
+handler t1 read primary=(1);
+handler t1 read `primary`=(1);
+handler t1 close;
+drop table t1;
+
+#
+# Check if two database names beginning the same are seen as different.
+#
+# This database begins like the usual 'test' database.
+#
+create database test_test;
+use test_test;
+eval create table t1(table_id char(20), primary key $key_type (table_id));
+insert into t1 values ('test_test.t1');
+insert into t1 values ('');
+handler t1 open;
+handler t1 read first limit 9;
+eval create table t2(table_id char(20), primary key $key_type (table_id));
+insert into t2 values ('test_test.t2');
+insert into t2 values ('');
+handler t2 open;
+handler t2 read first limit 9;
+#
+# This is the usual 'test' database.
+#
+use test;
+eval create table t1(table_id char(20), primary key $key_type (table_id));
+insert into t1 values ('test.t1');
+insert into t1 values ('');
+--error 1066
+handler t1 open;
+#
+# Check accessibility of all the tables.
+#
+use test;
+--error 1064
+handler test.t1 read first limit 9;
+--error 1064
+handler test_test.t1 read first limit 9;
+handler t1 read first limit 9;
+--error 1064
+handler test_test.t2 read first limit 9;
+handler t2 read first limit 9;
+
+#
+# Cleanup.
+#
+
+--error 1064
+handler test_test.t1 close;
+handler t1 close;
+drop table test_test.t1;
+--error 1064
+handler test_test.t2 close;
+handler t2 close;
+drop table test_test.t2;
+drop database test_test;
+
+#
+use test;
+--error 1064
+handler test.t1 close;
+--error 1109
+handler t1 close;
+drop table test.t1;
+
+#
+# BUG#4335 one name can be handler open'ed many times
+#
+
+create database test_test;
+use test_test;
+create table t1 (c1 char(20));
+insert into t1 values ('test_test.t1');
+create table t3 (c1 char(20));
+insert into t3 values ('test_test.t3');
+handler t1 open;
+handler t1 read first limit 9;
+handler t1 open h1;
+handler h1 read first limit 9;
+use test;
+create table t1 (c1 char(20));
+create table t2 (c1 char(20));
+create table t3 (c1 char(20));
+insert into t1 values ('t1');
+insert into t2 values ('t2');
+insert into t3 values ('t3');
+--error 1066
+handler t1 open;
+--error 1066
+handler t2 open t1;
+--error 1066
+handler t3 open t1;
+handler t1 read first limit 9;
+--error 1064
+handler test.t1 close;
+--error 1066
+handler test.t1 open h1;
+--error 1066
+handler test_test.t1 open h1;
+handler test_test.t3 open h3;
+handler test.t1 open h2;
+handler t1 read first limit 9;
+handler h1 read first limit 9;
+handler h2 read first limit 9;
+handler h3 read first limit 9;
+handler h2 read first limit 9;
+--error 1064
+handler test.h1 close;
+handler t1 close;
+handler h1 close;
+handler h2 close;
+--error 1109
+handler t1 read first limit 9;
+--error 1109
+handler h1 read first limit 9;
+--error 1109
+handler h2 read first limit 9;
+handler h3 read first limit 9;
+handler h3 read first limit 9;
+use test_test;
+handler h3 read first limit 9;
+--error 1064
+handler test.h3 read first limit 9;
+handler h3 close;
+use test;
+drop table t3;
+drop table t2;
+drop table t1;
+drop database test_test;
+
+#
+# Bug#21587 FLUSH TABLES causes server crash when used with HANDLER statements
+#
+
+create table t1 (c1 int);
+create table t2 (c1 int);
+insert into t1 values (1);
+insert into t2 values (2);
+--echo connection: default
+handler t1 open;
+handler t1 read first;
+connect (flush,localhost,root,,);
+connection flush;
+--echo connection: flush
+--send flush tables;
+connection default;
+--echo connection: default
+let $wait_condition=
+  select count(*) = 1 from information_schema.processlist
+  where state = "Flushing tables";
+--source include/wait_condition.inc
+handler t2 open;
+handler t2 read first;
+handler t1 read next;
+handler t1 close;
+handler t2 close;
+connection flush;
+reap;
+connection default;
+drop table t1,t2;
+disconnect flush;
+
+#
+# Bug#31397 Inconsistent drop table behavior of handler tables.
+#
+
+create table t1 (a int);
+handler t1 open as t1_alias;
+drop table t1;
+create table t1 (a int);
+handler t1 open as t1_alias;
+flush tables;
+drop table t1;
+create table t1 (a int);
+handler t1 open as t1_alias;
+handler t1_alias close;
+drop table t1;
+create table t1 (a int);
+handler t1 open as t1_alias;
+handler t1_alias read first;
+drop table t1;
+--error ER_UNKNOWN_TABLE
+handler t1_alias read next;
+
+#
+# Bug#31409 RENAME TABLE causes server crash or deadlock when used with
+# HANDLER statements
+#
+
+create table t1 (c1 int);
+--echo connection: default
+handler t1 open;
+handler t1 read first;
+connect (flush,localhost,root,,);
+connection flush;
+--echo connection: flush
+--send rename table t1 to t2;
+connection default;
+--echo connection: default
+let $wait_condition=
+  select count(*) = 1 from information_schema.processlist
+  where state = "Waiting for table" and info = "rename table t1 to t2";
+--source include/wait_condition.inc
+handler t2 open;
+handler t2 read first;
+--error ER_NO_SUCH_TABLE
+handler t1 read next;
+handler t1 close;
+handler t2 close;
+connection flush;
+reap;
+connection default;
+drop table t2;
+disconnect flush;
+
+# Flush tables causes handlers reopen
+
+eval create table t1 (a int, b char(1), key a $key_type (a), key b $key_type (a,b));
+insert into t1 values (0,"a"),(1,"b"),(2,"c"),(3,"d"),(4,"e"),
+                      (5,"f"),(6,"g"),(7,"h"),(8,"i"),(9,"j");
+handler t1 open;
+handler t1 read a first;
+handler t1 read a next;
+flush tables;
+handler t1 read a next;
+handler t1 read a next;
+flush tables with read lock;
+handler t1 read a next;
+unlock tables;
+drop table t1;
+--error ER_UNKNOWN_TABLE
+handler t1 read a next;
+
+#
+# Bug#41110: crash with handler command when used concurrently with alter table
+# Bug#41112: crash in mysql_ha_close_table/get_lock_data with alter table
+#
+
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+create table t1 (a int not null);
+insert into t1 values (1);
+handler t1 open;
+connect(con1,localhost,root,,);
+send alter table t1 engine=csv;
+connection default;
+let $wait_condition=
+  select count(*) = 1 from information_schema.processlist
+  where state = "rename result table" and info = "alter table t1 engine=csv";
+--source include/wait_condition.inc
+--error ER_ILLEGAL_HA
+handler t1 read a next;
+handler t1 close;
+connection con1;
+--reap
+drop table t1;
+disconnect con1;
+--source include/wait_until_disconnected.inc
+connection default;
+
+#
+# Bug#44151 using handler commands on information_schema tables crashes server
+#
+
+USE information_schema;
+--error ER_WRONG_USAGE
+HANDLER COLUMNS OPEN;
diff --git a/mysql-test/suite/handler/myisam.result b/mysql-test/suite/handler/myisam.result
new file mode 100644
index 00000000000..5423e9ce814
--- /dev/null
+++ b/mysql-test/suite/handler/myisam.result
@@ -0,0 +1,799 @@
+SET SESSION STORAGE_ENGINE = MyISAM;
+drop table if exists t1,t3,t4,t5;
+create table t1 (a int, b char(10), key a  (a), key b  (a,b));
+insert into t1 values
+(17,"ddd"),(18,"eee"),(19,"fff"),(19,"yyy"),
+(14,"aaa"),(16,"ccc"),(16,"xxx"),
+(20,"ggg"),(21,"hhh"),(22,"iii");
+handler t1 open as t2;
+handler t2 read a first;
+a	b
+14	aaa
+handler t2 read a next;
+a	b
+16	ccc
+handler t2 read a next;
+a	b
+16	xxx
+handler t2 read a prev;
+a	b
+16	ccc
+handler t2 read a last;
+a	b
+22	iii
+handler t2 read a prev;
+a	b
+21	hhh
+handler t2 read a prev;
+a	b
+20	ggg
+handler t2 read a first;
+a	b
+14	aaa
+handler t2 read a prev;
+a	b
+handler t2 read a last;
+a	b
+22	iii
+handler t2 read a prev;
+a	b
+21	hhh
+handler t2 read a next;
+a	b
+22	iii
+handler t2 read a next;
+a	b
+handler t2 read a=(15);
+a	b
+handler t2 read a=(16);
+a	b
+16	ccc
+handler t2 read a=(19,"fff");
+ERROR 42000: Too many key parts specified; max 1 parts allowed
+handler t2 read b=(19,"fff");
+a	b
+19	fff
+handler t2 read b=(19,"yyy");
+a	b
+19	yyy
+handler t2 read b=(19);
+a	b
+19	fff
+handler t1 read a last;
+ERROR 42S02: Unknown table 't1' in HANDLER
+handler t2 read a=(11);
+a	b
+handler t2 read a>=(11);
+a	b
+14	aaa
+handler t2 read a=(18);
+a	b
+18	eee
+handler t2 read a>=(18);
+a	b
+18	eee
+handler t2 read a>(18);
+a	b
+19	fff
+handler t2 read a<=(18);
+a	b
+18	eee
+handler t2 read a<(18);
+a	b
+17	ddd
+handler t2 read a=(15);
+a	b
+handler t2 read a>=(15);
+a	b
+16	ccc
+handler t2 read a>(15);
+a	b
+16	ccc
+handler t2 read a<=(15);
+a	b
+14	aaa
+handler t2 read a<(15);
+a	b
+14	aaa
+handler t2 read a=(54);
+a	b
+handler t2 read a>=(54);
+a	b
+handler t2 read a>(54);
+a	b
+handler t2 read a<=(54);
+a	b
+22	iii
+handler t2 read a<(54);
+a	b
+22	iii
+handler t2 read a=(1);
+a	b
+handler t2 read a>=(1);
+a	b
+14	aaa
+handler t2 read a>(1);
+a	b
+14	aaa
+handler t2 read a<=(1);
+a	b
+handler t2 read a<(1);
+a	b
+handler t2 read a first limit 5;
+a	b
+14	aaa
+16	ccc
+16	xxx
+17	ddd
+18	eee
+handler t2 read a next  limit 3;
+a	b
+19	fff
+19	yyy
+20	ggg
+handler t2 read a prev  limit 10;
+a	b
+19	yyy
+19	fff
+18	eee
+17	ddd
+16	xxx
+16	ccc
+14	aaa
+handler t2 read a>=(16) limit 4;
+a	b
+16	ccc
+16	xxx
+17	ddd
+18	eee
+handler t2 read a>=(16) limit 2,2;
+a	b
+17	ddd
+18	eee
+select * from t1 where a>=16 limit 2,2;
+a	b
+17	ddd
+18	eee
+handler t2 read a last  limit 3;
+a	b
+22	iii
+21	hhh
+20	ggg
+handler t2 read a=(16) limit 1,3;
+a	b
+16	xxx
+handler t2 read a=(19);
+a	b
+19	fff
+handler t2 read a=(19) where b="yyy";
+a	b
+19	yyy
+handler t2 read first;
+a	b
+17	ddd
+handler t2 read next;
+a	b
+18	eee
+handler t2 read next;
+a	b
+19	fff
+handler t2 close;
+handler t1 open;
+handler t1 read a next;
+a	b
+14	aaa
+handler t1 read a next;
+a	b
+16	ccc
+handler t1 close;
+handler t1 open;
+handler t1 read a prev;
+a	b
+22	iii
+handler t1 read a prev;
+a	b
+21	hhh
+handler t1 close;
+handler t1 open as t2;
+handler t2 read first;
+a	b
+17	ddd
+alter table t1 engine = MyISAM;
+handler t2 read first;
+ERROR 42S02: Unknown table 't2' in HANDLER
+handler t1 open;
+handler t1 read a=(16) limit 1,3;
+a	b
+16	xxx
+flush tables;
+handler t1 read a=(16) limit 1,3;
+a	b
+16	xxx
+handler t1 close;
+handler t1 open;
+prepare stmt from 'handler t1 read a=(?) limit ?,?';
+set @a=16,@b=1,@c=100;
+execute stmt using @a,@b,@c;
+a	b
+16	xxx
+set @a=16,@b=2,@c=1;
+execute stmt using @a,@b,@c;
+a	b
+set @a=16,@b=0,@c=2;
+execute stmt using @a,@b,@c;
+a	b
+16	ccc
+16	xxx
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read a next limit ?';
+handler t1 read a>=(11);
+a	b
+14	aaa
+set @a=3;
+execute stmt using @a;
+a	b
+16	ccc
+16	xxx
+17	ddd
+execute stmt using @a;
+a	b
+18	eee
+19	fff
+19	yyy
+execute stmt using @a;
+a	b
+20	ggg
+21	hhh
+22	iii
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read b prev limit ?';
+execute stmt using @a;
+a	b
+22	iii
+21	hhh
+20	ggg
+execute stmt using @a;
+a	b
+19	yyy
+19	fff
+18	eee
+execute stmt using @a;
+a	b
+17	ddd
+16	xxx
+16	ccc
+execute stmt using @a;
+a	b
+14	aaa
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read b=(?,?)';
+set @a=14, @b='aaa';
+execute stmt using @a,@b;
+a	b
+14	aaa
+set @a=14, @b='not found';
+execute stmt using @a,@b;
+a	b
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read b=(1+?) limit 10';
+set @a=15;
+execute stmt using @a;
+a	b
+16	ccc
+16	xxx
+execute stmt using @a;
+a	b
+16	ccc
+16	xxx
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read a>=(?) where a < ? limit 5';
+set @a=15, @b=20;
+execute stmt using @a,@b;
+a	b
+16	ccc
+16	xxx
+17	ddd
+18	eee
+19	fff
+execute stmt using @a,@b;
+a	b
+16	ccc
+16	xxx
+17	ddd
+18	eee
+19	fff
+deallocate prepare stmt;
+prepare stmt from 'handler t1 read a=(?)';
+set @a=16;
+execute stmt using @a;
+a	b
+16	ccc
+alter table t1 add c int;
+execute stmt using @a;
+ERROR 42S02: Unknown table 't1' in HANDLER
+deallocate prepare stmt;
+handler t1 close;
+ERROR 42S02: Unknown table 't1' in HANDLER
+handler t1 open;
+prepare stmt from 'handler t1 read a=(?)';
+flush tables;
+set @a=16;
+execute stmt using @a;
+ERROR HY000: Prepared statement needs to be re-prepared
+deallocate prepare stmt;
+handler t1 close;
+handler t1 open as t2;
+drop table t1;
+create table t1 (a int not null);
+insert into t1 values (17);
+handler t2 read first;
+ERROR 42S02: Unknown table 't2' in HANDLER
+handler t1 open as t2;
+alter table t1 engine=CSV;
+handler t2 read first;
+ERROR 42S02: Unknown table 't2' in HANDLER
+drop table t1;
+create table t1 (a int);
+insert into t1 values (1),(2),(3),(4),(5),(6);
+delete from t1 limit 2;
+handler t1 open;
+handler t1 read first;
+a
+3
+handler t1 read first limit 1,1;
+a
+4
+handler t1 read first limit 2,2;
+a
+5
+6
+delete from t1 limit 3;
+handler t1 read first;
+a
+6
+drop table t1;
+create table t1(a int, index  (a));
+insert into t1 values (1), (2), (3);
+handler t1 open;
+handler t1 read a=(W);
+ERROR 42S22: Unknown column 'W' in 'field list'
+handler t1 read a=(a);
+ERROR HY000: Incorrect arguments to HANDLER ... READ
+drop table t1;
+create table t1 (a char(5));
+insert into t1 values ("Ok");
+handler t1 open as t;
+handler t read first;
+a
+Ok
+use mysql;
+handler t read first;
+a
+Ok
+handler t close;
+handler test.t1 open as t;
+handler t read first;
+a
+Ok
+handler t close;
+use test;
+drop table t1;
+create table t1 ( a int, b int, INDEX a  (a) );
+insert into t1 values (1,2), (2,1);
+handler t1 open;
+handler t1 read a=(1) where b=2;
+a	b
+1	2
+handler t1 read a=(1) where b=3;
+a	b
+handler t1 read a=(1) where b=1;
+a	b
+handler t1 close;
+drop table t1;
+create table t1 (c1 char(20));
+insert into t1 values ("t1");
+handler t1 open as h1;
+handler h1 read first limit 9;
+c1
+t1
+create table t2 (c1 char(20));
+insert into t2 values ("t2");
+handler t2 open as h2;
+handler h2 read first limit 9;
+c1
+t2
+create table t3 (c1 char(20));
+insert into t3 values ("t3");
+handler t3 open as h3;
+handler h3 read first limit 9;
+c1
+t3
+create table t4 (c1 char(20));
+insert into t4 values ("t4");
+handler t4 open as h4;
+handler h4 read first limit 9;
+c1
+t4
+create table t5 (c1 char(20));
+insert into t5 values ("t5");
+handler t5 open as h5;
+handler h5 read first limit 9;
+c1
+t5
+alter table t1 engine=MyISAM;
+handler h1 read first limit 9;
+ERROR 42S02: Unknown table 'h1' in HANDLER
+handler h2 read first limit 9;
+c1
+t2
+handler h3 read first limit 9;
+c1
+t3
+handler h4 read first limit 9;
+c1
+t4
+handler h5 read first limit 9;
+c1
+t5
+alter table t5 engine=MyISAM;
+handler h1 read first limit 9;
+ERROR 42S02: Unknown table 'h1' in HANDLER
+handler h2 read first limit 9;
+c1
+t2
+handler h3 read first limit 9;
+c1
+t3
+handler h4 read first limit 9;
+c1
+t4
+handler h5 read first limit 9;
+ERROR 42S02: Unknown table 'h5' in HANDLER
+alter table t3 engine=MyISAM;
+handler h1 read first limit 9;
+ERROR 42S02: Unknown table 'h1' in HANDLER
+handler h2 read first limit 9;
+c1
+t2
+handler h3 read first limit 9;
+ERROR 42S02: Unknown table 'h3' in HANDLER
+handler h4 read first limit 9;
+c1
+t4
+handler h5 read first limit 9;
+ERROR 42S02: Unknown table 'h5' in HANDLER
+handler h2 close;
+handler h4 close;
+handler t1 open as h1_1;
+handler t1 open as h1_2;
+handler t1 open as h1_3;
+handler h1_1 read first limit 9;
+c1
+t1
+handler h1_2 read first limit 9;
+c1
+t1
+handler h1_3 read first limit 9;
+c1
+t1
+alter table t1 engine=MyISAM;
+handler h1_1 read first limit 9;
+ERROR 42S02: Unknown table 'h1_1' in HANDLER
+handler h1_2 read first limit 9;
+ERROR 42S02: Unknown table 'h1_2' in HANDLER
+handler h1_3 read first limit 9;
+ERROR 42S02: Unknown table 'h1_3' in HANDLER
+drop table t1;
+drop table t2;
+drop table t3;
+drop table t4;
+drop table t5;
+create table t1 (c1 int);
+insert into t1 values (1);
+handler t1 open;
+handler t1 read first;
+c1
+1
+send the below to another connection, do not wait for the result
+optimize table t1;
+proceed with the normal connection
+handler t1 read next;
+c1
+1
+handler t1 close;
+read the result from the other connection
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	status	OK
+proceed with the normal connection
+drop table t1;
+CREATE TABLE t1 (  no1 smallint(5) NOT NULL default '0',  no2 int(10) NOT NULL default '0',  PRIMARY KEY  (no1,no2));
+INSERT INTO t1 VALUES (1,274),(1,275),(2,6),(2,8),(4,1),(4,2);
+HANDLER t1 OPEN;
+HANDLER t1 READ `primary` = (1, 1000);
+no1	no2
+HANDLER t1 READ `primary` PREV;
+no1	no2
+1	275
+HANDLER t1 READ `primary` = (1, 1000);
+no1	no2
+HANDLER t1 READ `primary` NEXT;
+no1	no2
+2	6
+DROP TABLE t1;
+create table t1 (c1 int);
+insert into t1 values (14397);
+flush tables with read lock;
+drop table t1;
+ERROR HY000: Can't execute the query because you have a conflicting read lock
+send the below to another connection, do not wait for the result
+drop table t1;
+proceed with the normal connection
+select * from t1;
+c1
+14397
+unlock tables;
+read the result from the other connection
+proceed with the normal connection
+select * from t1;
+ERROR 42S02: Table 'test.t1' doesn't exist
+drop table if exists t1;
+Warnings:
+Note	1051	Unknown table 't1'
+create table t1 (a int not null) ENGINE=CSV;
+--> client 2
+handler t1 open;
+ERROR HY000: Table storage engine for 't1' doesn't have this option
+--> client 1
+drop table t1;
+create table t1 (a int);
+handler t1 open as t1_alias;
+handler t1_alias read a next;
+ERROR 42000: Key 'a' doesn't exist in table 't1_alias'
+handler t1_alias READ a next where inexistent > 0;
+ERROR 42S22: Unknown column 'inexistent' in 'field list'
+handler t1_alias read a next;
+ERROR 42000: Key 'a' doesn't exist in table 't1_alias'
+handler t1_alias READ a next where inexistent > 0;
+ERROR 42S22: Unknown column 'inexistent' in 'field list'
+handler t1_alias close;
+drop table t1;
+create temporary table t1 (a int, b char(1), key a  (a), key b(a,b));
+insert into t1 values (0,"a"),(1,"b"),(2,"c"),(3,"d"),(4,"e"),
+(5,"f"),(6,"g"),(7,"h"),(8,"i"),(9,"j"),(9,'k');
+select a,b from t1;
+a	b
+0	a
+1	b
+2	c
+3	d
+4	e
+5	f
+6	g
+7	h
+8	i
+9	j
+9	k
+handler t1 open as a1;
+handler a1 read a=(1);
+a	b
+1	b
+handler a1 read a next;
+a	b
+2	c
+handler a1 read a next;
+a	b
+3	d
+select a,b from t1;
+ERROR HY000: Can't reopen table: 'a1'
+handler a1 read a prev;
+a	b
+2	c
+handler a1 read a prev;
+a	b
+1	b
+handler a1 read a=(6) where b="g";
+a	b
+6	g
+handler a1 close;
+select a,b from t1;
+a	b
+0	a
+1	b
+2	c
+3	d
+4	e
+5	f
+6	g
+7	h
+8	i
+9	j
+9	k
+handler t1 open as a2;
+handler a2 read a=(9);
+a	b
+9	j
+handler a2 read a next;
+a	b
+9	k
+handler a2 read a prev limit 2;
+a	b
+9	j
+8	i
+handler a2 read a last;
+a	b
+9	k
+handler a2 read a prev;
+a	b
+9	j
+handler a2 close;
+drop table t1;
+create table t1 (a int);
+create temporary table t2 (a int, key  (a));
+handler t1 open as a1;
+handler t2 open as a2;
+handler a2 read a first;
+a
+drop table t1, t2;
+handler a2 read a next;
+ERROR 42S02: Unknown table 'a2' in HANDLER
+handler a1 close;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+create table t1 (a int, key  (a));
+create table t2 like t1;
+handler t1 open as a1;
+handler t2 open as a2;
+handler a1 read a first;
+a
+handler a2 read a first;
+a
+alter table t1 add b int;
+handler a1 close;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+handler a2 close;
+drop table t1, t2;
+create table t1 (a int, key  (a));
+handler t1 open as a1;
+handler a1 read a first;
+a
+rename table t1 to t2;
+handler a1 read a first;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+drop table t2;
+create table t1 (a int, key  (a));
+create table t2 like t1;
+handler t1 open as a1;
+handler t2 open as a2;
+handler a1 read a first;
+a
+handler a2 read a first;
+a
+optimize table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	status	Table is already up to date
+handler a1 close;
+ERROR 42S02: Unknown table 'a1' in HANDLER
+handler a2 close;
+drop table t1, t2;
+#
+# BUG#51877 - HANDLER interface causes invalid memory read
+#
+CREATE TABLE t1(a INT, KEY  (a));
+HANDLER t1 OPEN;
+HANDLER t1 READ a FIRST;
+a
+INSERT INTO t1 VALUES(1);
+HANDLER t1 READ a NEXT;
+a
+1
+HANDLER t1 CLOSE;
+DROP TABLE t1;
+#
+# BUG #46456: HANDLER OPEN + TRUNCATE + DROP (temporary) TABLE, crash 
+#
+CREATE TABLE t1 AS SELECT 1 AS f1;
+HANDLER t1 OPEN;
+TRUNCATE t1;
+HANDLER t1 READ FIRST;
+ERROR 42S02: Unknown table 't1' in HANDLER
+DROP TABLE t1;
+CREATE TEMPORARY TABLE t1 AS SELECT 1 AS f1;
+HANDLER t1 OPEN;
+TRUNCATE t1;
+HANDLER t1 READ FIRST;
+ERROR 42S02: Unknown table 't1' in HANDLER
+DROP TABLE t1;
+#
+# Bug #54007: assert in ha_myisam::index_next , HANDLER
+#
+CREATE TABLE t1(a INT, b INT, PRIMARY KEY(a), KEY b(b), KEY ab(a, b));
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+a	b
+HANDLER t1 READ `PRIMARY` NEXT;
+a	b
+HANDLER t1 READ ab NEXT;
+a	b
+HANDLER t1 READ b NEXT;
+a	b
+HANDLER t1 READ NEXT;
+a	b
+HANDLER t1 CLOSE;
+INSERT INTO t1 VALUES (2, 20), (1, 10), (4, 40), (3, 30);
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+a	b
+2	20
+HANDLER t1 READ NEXT;
+a	b
+1	10
+HANDLER t1 READ `PRIMARY` NEXT;
+a	b
+1	10
+HANDLER t1 READ `PRIMARY` NEXT;
+a	b
+2	20
+HANDLER t1 READ ab NEXT;
+a	b
+1	10
+HANDLER t1 READ ab NEXT;
+a	b
+2	20
+HANDLER t1 READ b NEXT;
+a	b
+1	10
+HANDLER t1 READ b NEXT;
+a	b
+2	20
+HANDLER t1 READ b NEXT;
+a	b
+3	30
+HANDLER t1 READ b NEXT;
+a	b
+4	40
+HANDLER t1 READ b NEXT;
+a	b
+HANDLER t1 READ NEXT;
+a	b
+2	20
+HANDLER t1 READ NEXT;
+a	b
+1	10
+HANDLER t1 READ NEXT;
+a	b
+4	40
+HANDLER t1 CLOSE;
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+a	b
+2	20
+HANDLER t1 READ `PRIMARY` PREV;
+a	b
+4	40
+HANDLER t1 READ `PRIMARY` PREV;
+a	b
+3	30
+HANDLER t1 READ b PREV;
+a	b
+4	40
+HANDLER t1 READ b PREV;
+a	b
+3	30
+HANDLER t1 CLOSE;
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+a	b
+2	20
+HANDLER t1 READ `PRIMARY` PREV LIMIT 3;
+a	b
+4	40
+3	30
+2	20
+HANDLER t1 READ b NEXT LIMIT 5;
+a	b
+1	10
+2	20
+3	30
+4	40
+HANDLER t1 CLOSE;
+DROP TABLE t1;
+End of 5.1 tests
diff --git a/mysql-test/suite/handler/myisam.test b/mysql-test/suite/handler/myisam.test
new file mode 100644
index 00000000000..c6acf1e822c
--- /dev/null
+++ b/mysql-test/suite/handler/myisam.test
@@ -0,0 +1,82 @@
+# t/handler_myisam.test
+#
+# test of HANDLER ...
+#
+# Last update:
+# 2006-07-31 ML test refactored (MySQL 5.1)
+#               code of t/handler.test and t/innodb_handler.test united
+#               main testing code put into handler.inc
+#               rename t/handler.test to t/handler_myisam.test
+#
+
+let $engine_type= MyISAM;
+
+--source init.inc
+--source handler.inc
+
+--echo #
+--echo # BUG #46456: HANDLER OPEN + TRUNCATE + DROP (temporary) TABLE, crash 
+--echo #
+CREATE TABLE t1 AS SELECT 1 AS f1; 
+HANDLER t1 OPEN;
+TRUNCATE t1;
+--error ER_UNKNOWN_TABLE
+HANDLER t1 READ FIRST;
+DROP TABLE t1;
+
+CREATE TEMPORARY TABLE t1 AS SELECT 1 AS f1; 
+HANDLER t1 OPEN;
+TRUNCATE t1;
+--error ER_UNKNOWN_TABLE
+HANDLER t1 READ FIRST;
+DROP TABLE t1;
+
+--echo #
+--echo # Bug #54007: assert in ha_myisam::index_next , HANDLER
+--echo #
+CREATE TABLE t1(a INT, b INT, PRIMARY KEY(a), KEY b(b), KEY ab(a, b));
+
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+HANDLER t1 READ `PRIMARY` NEXT;
+HANDLER t1 READ ab NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ NEXT;
+HANDLER t1 CLOSE;
+
+INSERT INTO t1 VALUES (2, 20), (1, 10), (4, 40), (3, 30);
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+HANDLER t1 READ NEXT;
+HANDLER t1 READ `PRIMARY` NEXT;
+HANDLER t1 READ `PRIMARY` NEXT;
+HANDLER t1 READ ab NEXT;
+HANDLER t1 READ ab NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ b NEXT;
+HANDLER t1 READ NEXT;
+HANDLER t1 READ NEXT;
+HANDLER t1 READ NEXT;
+HANDLER t1 CLOSE;
+
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+HANDLER t1 READ `PRIMARY` PREV;
+HANDLER t1 READ `PRIMARY` PREV;
+HANDLER t1 READ b PREV;
+HANDLER t1 READ b PREV;
+HANDLER t1 CLOSE;
+
+HANDLER t1 OPEN;
+HANDLER t1 READ FIRST;
+HANDLER t1 READ `PRIMARY` PREV LIMIT 3;
+HANDLER t1 READ b NEXT LIMIT 5;
+HANDLER t1 CLOSE;
+
+DROP TABLE t1;
+
+
+--echo End of 5.1 tests