select ENGINE,COMMENT,TRANSACTIONS,XA,SAVEPOINTS from information_schema.engines where engine = 'xengine';
ENGINE	COMMENT	TRANSACTIONS	XA	SAVEPOINTS
XENGINE	X-Engine storage engine	YES	YES	YES
drop table if exists t0,t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
drop table if exists t11,t12,t13,t14,t15,t16,t17,t18,t19,t20;
drop table if exists t21,t22,t23,t24,t25,t26,t27,t28,t29;
drop table if exists t30,t31,t32,t33,t34,t35,t36,t37,t38,t39;
drop table if exists t40,t41,t42,t43,t44,t45,t46,t47,t48,t49;
SET @ORIG_PAUSE_BACKGROUND_WORK = @@XENGINE_PAUSE_BACKGROUND_WORK;
SET GLOBAL XENGINE_PAUSE_BACKGROUND_WORK = 1;
SET @ORIG_SQL_LOG_BIN = @@SQL_LOG_BIN;
SET SQL_LOG_BIN = 0;
#
# Issue #1: Don't update indexes if index values have not changed
#
create table t1 (
pk int primary key,
a int,
b int,
key(a)
) engine=xengine;
insert into t1 values
(1,1,1), (2,2,2), (3,3,3), (4,4,4);
set @var1=(select variable_value
from performance_schema.global_status
where variable_name='xengine_number_keys_written');
# Do an update that doesn't change the key 'a'.
update t1 set b=3334341 where a=2;
set @var2=(select variable_value
from performance_schema.global_status
where variable_name='xengine_number_keys_written');
# The following should produce 1
select @var2 - @var1;
@var2 - @var1
1
# Do an update that sets the key to the same value
update t1 set a=pk where a=3;
set @var3=(select variable_value
from performance_schema.global_status
where variable_name='xengine_number_keys_written');
# We have 'updated' column to the same value, so the following must return 0:
select @var3 - @var2;
@var3 - @var2
0
drop table t1;
SET SQL_LOG_BIN = @ORIG_SQL_LOG_BIN;
create table t0 (a int primary key) engine=xengine;
show create table t0;
Table	Create Table
t0	CREATE TABLE `t0` (
  `a` int(11) NOT NULL,
  PRIMARY KEY (`a`)
) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
drop table t0;
create table t1 (a int primary key, b int) engine=xengine;
insert into t1 values (1,1);
insert into t1 values (2,2);
select * from t1;
a	b
1	1
2	2
# Check that we can create another table and insert there
create table t2 (a varchar(10) primary key, b varchar(10)) engine=xengine charset latin1 collate latin1_bin;
insert into t2 value ('abc','def');
insert into t2 value ('hijkl','mnopq');
select * from t2;
a	b
abc	def
hijkl	mnopq
# Select again from t1 to see that records from different tables dont mix
select * from t1;
a	b
1	1
2	2
explain select * from t2 where a='no-such-key';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
Warnings:
Note	1003	/* select#1 */ select NULL AS `a`,NULL AS `b` from `test`.`t2` where multiple equal('no-such-key', NULL)
explain select * from t2 where a='abc';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	NULL	const	PRIMARY	PRIMARY	12	const	#	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select 'abc' AS `a`,'def' AS `b` from `test`.`t2` where true
select * from t2 where a='abc';
a	b
abc	def
# Try a composite PK
create table t3 (
pk1 int,
pk2 varchar(10),
col1 varchar(10),
primary key(pk1, pk2)
) engine=xengine;
insert into t3 values (2,'two', 'row#2');
insert into t3 values (3,'three', 'row#3');
insert into t3 values (1,'one', 'row#1');
select * from t3;
pk1	pk2	col1
1	one	row#1
2	two	row#2
3	three	row#3
select * from t3 where pk1=3 and pk2='three';
pk1	pk2	col1
3	three	row#3
drop table t1, t2, t3;
#
# Test blob values
#
create table t4 (a int primary key, b blob) engine=xengine;
insert into t4 values (1, repeat('quux-quux', 60));
insert into t4 values (10, repeat('foo-bar', 43));
insert into t4 values (5, repeat('foo-bar', 200));
insert into t4 values (2, NULL);
select
a,
(case a
when 1  then b=repeat('quux-quux', 60)
when 10 then b=repeat('foo-bar', 43)
when 5  then b=repeat('foo-bar', 200)
when 2  then b is null
else 'IMPOSSIBLE!' end) as CMP
from t4;
a	CMP
1	1
2	1
5	1
10	1
drop table t4;
#
# Test blobs of various sizes
#
# TINYBLOB
create table t5 (a int primary key, b tinyblob) engine=xengine;
insert into t5 values (1, repeat('quux-quux', 6));
insert into t5 values (10, repeat('foo-bar', 4));
insert into t5 values (5, repeat('foo-bar', 2));
select
a,
(case a
when 1  then b=repeat('quux-quux', 6)
when 10 then b=repeat('foo-bar', 4)
when 5  then b=repeat('foo-bar', 2)
else 'IMPOSSIBLE!' end) as CMP
from t5;
a	CMP
1	1
5	1
10	1
drop table t5;
# MEDIUMBLOB
create table t6 (a int primary key, b mediumblob) engine=xengine;
insert into t6 values (1, repeat('AB', 65000));
insert into t6 values (10, repeat('bbb', 40000));
insert into t6 values (5, repeat('foo-bar', 2));
select
a,
(case a
when 1  then b=repeat('AB', 65000)
when 10 then b=repeat('bbb', 40000)
when 5  then b=repeat('foo-bar', 2)
else 'IMPOSSIBLE!' end) as CMP
from t6;
a	CMP
1	1
5	1
10	1
drop table t6;
# LONGBLOB
create table t7 (a int primary key, b longblob) engine=xengine;
insert into t7 values (1, repeat('AB', 65000));
insert into t7 values (10, repeat('bbb', 40000));
insert into t7 values (5, repeat('foo-bar', 2));
select
a,
(case a
when 1  then b=repeat('AB', 65000)
when 10 then b=repeat('bbb', 40000)
when 5  then b=repeat('foo-bar', 2)
else 'IMPOSSIBLE!' end) as CMP
from t7;
a	CMP
1	1
5	1
10	1
drop table t7;
#
# Check if DELETEs work
#
create table t8 (a varchar(10) primary key, col1 varchar(12)) engine=xengine charset latin1 collate latin1_bin;
insert into t8 values
('one', 'eins'),
('two', 'zwei'),
('three', 'drei'),
('four', 'vier'),
('five', 'funf');
# Delete by PK
explain delete from t8 where a='three';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	DELETE	t8	NULL	range	PRIMARY	PRIMARY	12	const	#	100.00	Using where
Warnings:
Note	1003	delete from `test`.`t8` where (`test`.`t8`.`a` = 'three')
delete from t8 where a='three';
select * from t8;
a	col1
five	funf
four	vier
one	eins
two	zwei
# Delete while doing a full table scan
delete from t8 where col1='eins' or col1='vier';
select * from t8;
a	col1
five	funf
two	zwei
# delete w/o WHERE:
delete from t8;
select * from t8;
a	col1
#
# Test UPDATEs
#
insert into t8 values
('one', 'eins'),
('two', 'zwei'),
('three', 'drei'),
('four', 'vier'),
('five', 'funf');
update t8 set col1='dva' where a='two';
update t8 set a='fourAAA' where col1='vier';
select * from t8;
a	col1
five	funf
fourAAA	vier
one	eins
three	drei
two	dva
delete from t8;
#
# Basic transactions tests
#
begin;
insert into t8 values ('trx1-val1', 'data');
insert into t8 values ('trx1-val2', 'data');
rollback;
select * from t8;
a	col1
begin;
insert into t8 values ('trx1-val1', 'data');
insert into t8 values ('trx1-val2', 'data');
commit;
select * from t8;
a	col1
trx1-val1	data
trx1-val2	data
drop table t8;
#
# Check if DROP TABLE works
#
create table t8 (a varchar(10) primary key, col1 varchar(12)) engine=xengine;
select * from t8;
a	col1
insert into t8 values ('foo','foo');
drop table t8;
create table t8 (a varchar(10) primary key, col1 varchar(12)) engine=xengine;
select * from t8;
a	col1
drop table t8;
#
# MDEV-3961: Assertion ... on creating a TEMPORARY XEngine table
#
CREATE TEMPORARY TABLE t10 (pk INT PRIMARY KEY) ENGINE=XEngine;
ERROR HY000: Table storage engine 'XENGINE' does not support the create option 'TEMPORARY'
#
# MDEV-3963: JOIN or WHERE conditions involving keys on XEngine tables don't work
#
CREATE TABLE t10 (i INT PRIMARY KEY) ENGINE=XEngine;
INSERT INTO t10 VALUES (1),(3);
CREATE TABLE t11 (j INT PRIMARY KEY) ENGINE=XEngine;
INSERT INTO t11 VALUES (1),(4);
analyze table t10, t11;
Table	Op	Msg_type	Msg_text
test.t10	analyze	status	OK
test.t11	analyze	status	OK
select * from t10;
i
1
3
select * from t11;
j
1
4
EXPLAIN
SELECT * FROM t10, t11 WHERE i=j;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t10	NULL	index	PRIMARY	PRIMARY	4	NULL	#	#	Using index
1	SIMPLE	t11	NULL	eq_ref	PRIMARY	PRIMARY	4	test.t10.i	#	#	Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t10`.`i` AS `i`,`test`.`t11`.`j` AS `j` from `test`.`t10` join `test`.`t11` where (`test`.`t11`.`j` = `test`.`t10`.`i`)
SELECT * FROM t10, t11 WHERE i=j;
i	j
1	1
DROP TABLE t10,t11;
#
# MDEV-3962: SELECT with ORDER BY causes "ERROR 1030 (HY000): Got error 122
#
CREATE TABLE t12 (pk INT PRIMARY KEY) ENGINE=XEngine;
INSERT INTO t12 VALUES (2),(1);
SELECT * FROM t12 ORDER BY pk;
pk
1
2
DROP TABLE t12;
#
# MDEV-3964: Assertion `!pk_descr' fails in ha_xengine::open on adding partitions ...
#
create table t14 (pk int primary key) engine=XEngine partition by hash(pk) partitions 2;
ERROR 42000: Create partitioned table is not supported yet in xengine.
#
# MDEV-3960: Server crashes on running DISCARD TABLESPACE on a XEngine table
#
create table t9 (i int primary key) engine=xengine;
alter table t9 discard tablespace;
ERROR HY000: Table storage engine for 't9' doesn't have this option
drop table t9;
#
# MDEV-3959: Assertion `slice->size() == table->s->reclength' fails ...
#   on accessing a table after ALTER
#
CREATE TABLE t15 (a INT, xengine_pk INT PRIMARY KEY) ENGINE=XEngine;
INSERT INTO t15 VALUES (1,1),(5,2);
ALTER TABLE t15 DROP COLUMN a;
DROP TABLE t15;
#
# MDEV-3968: UPDATE produces a wrong result while modifying a PK on a XEngine table
#
create table t16 (pk int primary key, a char(8)) engine=XEngine;
insert into t16 values (1,'a'),(2,'b'),(3,'c'),(4,'d');
update t16 set pk=100, a = 'updated' where a in ('b','c');
ERROR 23000: Duplicate entry '100' for key 'PRIMARY'
select * from t16;
pk	a
1	a
2	b
3	c
4	d
drop table t16;
#
# MDEV-3970: A set of assorted crashes on inserting a row into a XEngine table
#
drop table if exists t_very_long_table_name;
CREATE TABLE `t_very_long_table_name` (
`c` char(1) NOT NULL,
`c0` char(0) NOT NULL,
`c1` char(1) NOT NULL,
`c20` char(20) NOT NULL,
`c255` char(255) NOT NULL,
PRIMARY KEY (`c255`)
) ENGINE=XEngine DEFAULT CHARSET=latin1;
INSERT INTO t_very_long_table_name VALUES ('a', '', 'c', REPEAT('a',20), REPEAT('x',255));
drop table t_very_long_table_name;
#
# Test table locking and read-before-write checks.
#
create table t17 (pk varchar(12) primary key, col1 varchar(12)) engine=xengine;
insert into t17 values ('row1', 'val1');
insert into t17 values ('row1', 'val1-try2');
ERROR 23000: Duplicate entry 'row1' for key 'PRIMARY'
insert into t17 values ('ROW1', 'val1-try2');
ERROR 23000: Duplicate entry 'ROW1' for key 'PRIMARY'
insert into t17 values ('row2', 'val2');
insert into t17 values ('row3', 'val3');
# This is ok
update t17 set pk='row4' where pk='row1';
# This will try to overwrite another row:
update t17 set pk='row3' where pk='row2';
ERROR 23000: Duplicate entry 'row3' for key 'PRIMARY'
select * from t17;
pk	col1
row2	val2
row3	val3
row4	val1
#
# Locking tests
#
# First, make sure there's no locking when transactions update different rows
set autocommit=0;
update t17 set col1='UPD1' where pk='row2';
update t17 set col1='UPD2' where pk='row3';
commit;
select * from t17;
pk	col1
row2	UPD1
row3	UPD2
row4	val1
# Check the variable
show variables like 'xengine_lock_wait_timeout';
Variable_name	Value
xengine_lock_wait_timeout	1
set xengine_lock_wait_timeout=2;
show variables like 'xengine_lock_wait_timeout';
Variable_name	Value
xengine_lock_wait_timeout	2
# Try updating the same row from two transactions
begin;
update t17 set col1='UPD2-AA' where pk='row2';
update t17 set col1='UPD2-BB' where pk='row2';
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
set xengine_lock_wait_timeout=1000;
update t17 set col1='UPD2-CC' where pk='row2';
rollback;
select * from t17 where pk='row2';
pk	col1
row2	UPD2-CC
drop table t17;
#
#  MDEV-4035: XEngine: SELECT produces different results inside a transaction (read is not repeatable)
#
create table t18 (pk int primary key, i int) engine=XEngine;
begin;
select * from t18;
pk	i
select * from t18 where pk = 1;
pk	i
connect  con1,localhost,root,,;
insert into t18 values (1,100);
connection default;
select * from t18;
pk	i
select * from t18 where pk = 1;
pk	i
commit;
drop table t18;
#
# MDEV-4036: XEngine: INSERT .. ON DUPLICATE KEY UPDATE does not work, produces ER_DUP_KEY
#
create table t19 (pk int primary key, i int) engine=XEngine;
insert into t19 values (1,1);
insert into t19 values (1,100) on duplicate key update i = 102;
select * from t19;
pk	i
1	102
drop table t19;
# MDEV-4037: XEngine: REPLACE doesn't work, produces ER_DUP_KEY
create table t20 (pk int primary key, i int) engine=XEngine;
insert into t20 values (1,1);
replace into t20 values (1,100);
select * from t20;
pk	i
1	100
drop table t20;
#
# MDEV-4041: Server crashes in Primary_key_comparator::get_hashnr on INSERT
#
create table t21 (v varbinary(16) primary key, i int) engine=XEngine;
insert into t21 values ('a',1);
select * from t21;
v	i
a	1
drop table t21;
#
# MDEV-4047: XEngine: Assertion `0' fails in Protocol::end_statement() on multi-table INSERT IGNORE
#
CREATE TABLE t22 (a int primary key) ENGINE=XEngine;
INSERT INTO t22 VALUES (1),(2);
CREATE TABLE t23 (b int primary key) ENGINE=XEngine;
INSERT INTO t23 SELECT * FROM t22;
DELETE IGNORE t22.*, t23.* FROM t22, t23 WHERE b < a;
DROP TABLE t22,t23;
#
# MDEV-4046: XEngine: Multi-table DELETE locks itself and ends with ER_LOCK_WAIT_TIMEOUT
#
CREATE TABLE t24 (pk int primary key) ENGINE=XEngine;
INSERT INTO t24 VALUES (1),(2);
CREATE TABLE t25 LIKE t24;
INSERT INTO t25 SELECT * FROM t24;
DELETE t25.* FROM t24, t25;
DROP TABLE t24,t25;
#
# MDEV-4044: XEngine: UPDATE or DELETE with ORDER BY locks itself
#
create table t26 (pk int primary key, c char(1)) engine=XEngine;
insert into t26 values (1,'a'),(2,'b');
update t26 set c = 'x' order by pk limit 1;
delete from t26 order by pk limit 1;
select * from t26;
pk	c
2	b
drop table t26;
#
# Test whether SELECT ... FOR UPDATE puts locks
#
create table t27(pk varchar(10) primary key, col1 varchar(20)) engine=XEngine;
insert into t27 values
('row1', 'row1data'),
('row2', 'row2data'),
('row3', 'row3data');
connection con1;
begin;
select * from t27 where pk='row3' for update;
pk	col1
row3	row3data
connection default;
set xengine_lock_wait_timeout=1;
update t27 set col1='row2-modified' where pk='row3';
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
connection con1;
rollback;
connection default;
disconnect con1;
drop table t27;
#
# MDEV-4060: XEngine: Assertion `! trx->batch' fails in
#
create table t28 (pk int primary key, a int) engine=XEngine;
insert into t28 values (1,10),(2,20);
begin;
update t28 set a = 100 where pk = 3;
rollback;
select * from t28;
pk	a
1	10
2	20
drop table t28;
#
# Secondary indexes
#
create table t30 (
pk varchar(16) not null primary key,
key1 varchar(16) not null,
col1 varchar(16) not null,
key(key1)
) engine=xengine charset latin1 collate latin1_bin;
insert into t30 values ('row1', 'row1-key', 'row1-data');
insert into t30 values ('row2', 'row2-key', 'row2-data');
insert into t30 values ('row3', 'row3-key', 'row3-data');
analyze table t30;
Table	Op	Msg_type	Msg_text
test.t30	analyze	status	OK
explain
select * from t30 where key1='row2-key';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	ref	key1	key1	18	const	#	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` where (`test`.`t30`.`key1` = 'row2-key')
select * from t30 where key1='row2-key';
pk	key1	col1
row2	row2-key	row2-data
explain
select * from t30 where key1='row1';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	ref	key1	key1	18	const	#	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` where (`test`.`t30`.`key1` = 'row1')
# This will produce nothing:
select * from t30 where key1='row1';
pk	key1	col1
explain
select key1 from t30;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	index	NULL	key1	18	NULL	#	#	Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`key1` AS `key1` from `test`.`t30`
select key1 from t30;
key1
row1-key
row2-key
row3-key
# Create a duplicate record
insert into t30 values ('row2a', 'row2-key', 'row2a-data');
# Can we see it?
select * from t30 where key1='row2-key';
pk	key1	col1
row2	row2-key	row2-data
row2a	row2-key	row2a-data
delete from t30 where pk='row2';
select * from t30 where key1='row2-key';
pk	key1	col1
row2a	row2-key	row2a-data
#
# Range scans on secondary index
#
delete from t30;
insert into t30 values
('row1', 'row1-key', 'row1-data'),
('row2', 'row2-key', 'row2-data'),
('row3', 'row3-key', 'row3-data'),
('row4', 'row4-key', 'row4-data'),
('row5', 'row5-key', 'row5-data');
analyze table t30;
Table	Op	Msg_type	Msg_text
test.t30	analyze	status	OK
explain
select * from t30 where key1 <='row3-key';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	range	key1	key1	18	NULL	#	100.00	Using index condition
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` where (`test`.`t30`.`key1` <= 'row3-key')
select * from t30 where key1 <='row3-key';
pk	key1	col1
row1	row1-key	row1-data
row2	row2-key	row2-data
row3	row3-key	row3-data
explain
select * from t30 where key1 between 'row2-key' and 'row4-key';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	range	key1	key1	18	NULL	#	100.00	Using index condition
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` where (`test`.`t30`.`key1` between 'row2-key' and 'row4-key')
select * from t30 where key1 between 'row2-key' and 'row4-key';
pk	key1	col1
row2	row2-key	row2-data
row3	row3-key	row3-data
row4	row4-key	row4-data
explain
select * from t30 where key1 in ('row2-key','row4-key');
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	range	key1	key1	18	NULL	#	100.00	Using index condition
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` where (`test`.`t30`.`key1` in ('row2-key','row4-key'))
select * from t30 where key1 in ('row2-key','row4-key');
pk	key1	col1
row2	row2-key	row2-data
row4	row4-key	row4-data
explain
select key1 from t30 where key1 in ('row2-key','row4-key');
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	index	key1	key1	18	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`key1` AS `key1` from `test`.`t30` where (`test`.`t30`.`key1` in ('row2-key','row4-key'))
select key1 from t30 where key1 in ('row2-key','row4-key');
key1
row2-key
row4-key
explain
select * from t30 where key1 > 'row1-key' and key1 < 'row4-key';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	range	key1	key1	18	NULL	#	100.00	Using index condition
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` where ((`test`.`t30`.`key1` > 'row1-key') and (`test`.`t30`.`key1` < 'row4-key'))
select * from t30 where key1 > 'row1-key' and key1 < 'row4-key';
pk	key1	col1
row2	row2-key	row2-data
row3	row3-key	row3-data
explain
select * from t30 order by key1 limit 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	index	NULL	key1	18	NULL	#	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` order by `test`.`t30`.`key1` limit 3
select * from t30 order by key1 limit 3;
pk	key1	col1
row1	row1-key	row1-data
row2	row2-key	row2-data
row3	row3-key	row3-data
explain
select * from t30 order by key1 desc limit 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	index	NULL	key1	18	NULL	#	100.00	Backward index scan
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` order by `test`.`t30`.`key1` desc limit 3
select * from t30 order by key1 desc limit 3;
pk	key1	col1
row5	row5-key	row5-data
row4	row4-key	row4-data
row3	row3-key	row3-data
#
# Range scans on primary key
#
explain
select * from t30 where pk <='row3';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	range	PRIMARY	PRIMARY	18	NULL	#	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` where (`test`.`t30`.`pk` <= 'row3')
select * from t30 where pk <='row3';
pk	key1	col1
row1	row1-key	row1-data
row2	row2-key	row2-data
row3	row3-key	row3-data
explain
select * from t30 where pk between 'row2' and 'row4';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	range	PRIMARY	PRIMARY	18	NULL	#	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` where (`test`.`t30`.`pk` between 'row2' and 'row4')
select * from t30 where pk between 'row2' and 'row4';
pk	key1	col1
row2	row2-key	row2-data
row3	row3-key	row3-data
row4	row4-key	row4-data
explain
select * from t30 where pk in ('row2','row4');
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	range	PRIMARY	PRIMARY	18	NULL	#	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` where (`test`.`t30`.`pk` in ('row2','row4'))
select * from t30 where pk in ('row2','row4');
pk	key1	col1
row2	row2-key	row2-data
row4	row4-key	row4-data
explain
select * from t30 order by pk limit 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t30	NULL	index	NULL	PRIMARY	18	NULL	#	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `test`.`t30`.`pk` AS `pk`,`test`.`t30`.`key1` AS `key1`,`test`.`t30`.`col1` AS `col1` from `test`.`t30` order by `test`.`t30`.`pk` limit 3
select * from t30 order by pk limit 3;
pk	key1	col1
row1	row1-key	row1-data
row2	row2-key	row2-data
row3	row3-key	row3-data
drop table t30;
#
# MDEV-3841: XEngine: Reading by PK prefix does not work
#
create table t31 (i int, j int, k int, primary key(i,j,k)) engine=XEngine;
insert into t31 values (1,10,100),(2,20,200);
select * from t31 where i = 1;
i	j	k
1	10	100
select * from t31 where j = 10;
i	j	k
1	10	100
select * from t31 where k = 100;
i	j	k
1	10	100
select * from t31 where i = 1 and j = 10;
i	j	k
1	10	100
select * from t31 where i = 1 and k = 100;
i	j	k
1	10	100
select * from t31 where j = 10 and k = 100;
i	j	k
1	10	100
select * from t31 where i = 1 and j = 10 and k = 100;
i	j	k
1	10	100
drop table t31;
#
# MDEV-4055: XEngine: UPDATE/DELETE by a multi-part PK does not work
#
create table t32 (i int, j int, k int, primary key(i,j,k), a varchar(8)) engine=XEngine;
insert into t32 values
(1,10,100,''),
(2,20,200,'');
select * from t32 where i = 1 and j = 10 and k = 100;
i	j	k	a
1	10	100	
update t32 set a = 'updated' where i = 1 and j = 10 and k = 100;
select * from t32;
i	j	k	a
1	10	100	updated
2	20	200	
drop table t32;
#
# MDEV-3841: XEngine: Assertion `0' fails in ha_xengine::index_read_map on range select with ORDER BY .. DESC
#
CREATE TABLE t33 (pk INT PRIMARY KEY, a CHAR(1)) ENGINE=XEngine;
INSERT INTO t33 VALUES (1,'a'),(2,'b');
SELECT * FROM t33 WHERE pk <= 10 ORDER BY pk DESC;
pk	a
2	b
1	a
DROP TABLE t33;
#
# MDEV-4081: XEngine throws error 122 on an attempt to create a table with unique index
#
#  Unique indexes can be created, but uniqueness won't be enforced
create table t33 (pk int primary key, u int, unique index(u)) engine=XEngine;
drop table t33;
#
# MDEV-4077: XEngine: Wrong result (duplicate row) on select with range
#
CREATE TABLE t34 (pk INT PRIMARY KEY) ENGINE=XEngine;
INSERT INTO t34 VALUES (10),(11);
SELECT pk FROM t34 WHERE pk > 5 AND pk < 15;
pk
10
11
SELECT pk FROM t34 WHERE pk BETWEEN 5 AND 15;
pk
10
11
SELECT pk FROM t34 WHERE pk > 5;
pk
10
11
SELECT pk FROM t34 WHERE pk < 15;
pk
10
11
drop table t34;
#
# MDEV-4086: XEngine does not allow a query with multi-part pk and index and ORDER BY .. DEC
#
create table t35 (a int, b int, c int, d int, e int, primary key (a,b,c), key (a,c,d,e)) engine=XEngine;
insert into t35 values (1,1,1,1,1),(2,2,2,2,2);
select * from t35 where a = 1 and c = 1 and d = 1 order by e desc;
a	b	c	d	e
1	1	1	1	1
drop table t35;
#
# MDEV-4084: XEngine: Wrong result on IN subquery with index
#
CREATE TABLE t36 (pk INT PRIMARY KEY, a INT, KEY(a)) ENGINE=XEngine;
INSERT INTO t36 VALUES (1,10),(2,20);
SELECT 3 IN ( SELECT a FROM t36 );
3 IN ( SELECT a FROM t36 )
0
drop table t36;
#
# MDEV-4084: XEngine: Wrong result on IN subquery with index
#
CREATE TABLE t37 (pk INT PRIMARY KEY, a INT, b CHAR(1), KEY(a), KEY(a,b))
ENGINE=XEngine;
INSERT INTO t37 VALUES (1,10,'x'), (2,20,'y');
SELECT MAX(a) FROM t37 WHERE a < 100;
MAX(a)
20
DROP TABLE t37;
#
# MDEV-4090: XEngine: Wrong result (duplicate rows) on range access with secondary key and ORDER BY DESC
#
CREATE TABLE t38 (pk INT PRIMARY KEY, i INT, KEY(i)) ENGINE=XEngine;
INSERT INTO t38 VALUES (1,10), (2,20);
SELECT i FROM t38 WHERE i NOT IN (8) ORDER BY i DESC;
i
20
10
drop table t38;
#
# MDEV-4092: XEngine: Assertion `in_table(pa, a_len)' fails in Rdb_key_def::cmp_full_keys
#            with a multi-part key and ORDER BY .. DESC
#
CREATE TABLE t40 (pk1 INT PRIMARY KEY, a INT, b VARCHAR(1), KEY(b,a)) ENGINE=XEngine;
INSERT INTO t40 VALUES (1, 7,'x'),(2,8,'y');
CREATE TABLE t41 (pk2 INT PRIMARY KEY) ENGINE=XEngine;
INSERT INTO t41 VALUES (1),(2);
SELECT * FROM t40, t41 WHERE pk1 = pk2 AND b = 'o' ORDER BY a DESC;
pk1	a	b	pk2
DROP TABLE t40,t41;
#
# MDEV-4093: XEngine: IN subquery by secondary key with NULL among values returns true instead of NULL
#
CREATE TABLE t42 (pk INT PRIMARY KEY, a INT, KEY(a)) ENGINE=XEngine;
INSERT INTO t42 VALUES (1, NULL),(2, 8);
SELECT ( 3 ) NOT IN ( SELECT a FROM t42 );
( 3 ) NOT IN ( SELECT a FROM t42 )
NULL
DROP TABLE t42;
#
# MDEV-4094: XEngine: Wrong result on SELECT and ER_KEY_NOT_FOUND on
#            DELETE with search by NULL-able secondary key ...
#
CREATE TABLE t43 (pk INT PRIMARY KEY, a INT, b CHAR(1), KEY(a)) ENGINE=XEngine;
INSERT INTO t43 VALUES (1,8,'g'),(2,9,'x');
UPDATE t43 SET pk = 10 WHERE a = 8;
REPLACE INTO t43 ( a ) VALUES ( 8 );
Warnings:
Warning	1364	Field 'pk' doesn't have a default value
REPLACE INTO t43 ( b ) VALUES ( 'y' );
Warnings:
Warning	1364	Field 'pk' doesn't have a default value
SELECT * FROM t43 WHERE a = 8;
pk	a	b
10	8	g
DELETE FROM t43 WHERE a = 8;
DROP TABLE t43;
#
# Basic AUTO_INCREMENT tests
#
create table t44(pk int primary key auto_increment, col1 varchar(12)) engine=xengine;
insert into t44 (col1) values ('row1');
insert into t44 (col1) values ('row2');
insert into t44 (col1) values ('row3');
select * from t44;
pk	col1
1	row1
2	row2
3	row3
drop table t44;
#
# ALTER TABLE tests
#
create table t45 (pk int primary key, col1 varchar(12)) engine=xengine;
insert into t45 values (1, 'row1');
insert into t45 values (2, 'row2');
alter table t45 rename t46;
select * from t46;
pk	col1
1	row1
2	row2
drop table t46;
drop table t45;
ERROR 42S02: Unknown table 'test.t45'
#
# Check Bulk loading
# Bulk loading used to overwrite existing data
# Now it fails if there is data overlap with what
# already exists
#
show variables like 'xengine%';
Variable_name	Value
xengine_auto_shrink_enabled	ON
xengine_auto_shrink_schedule_interval	3600
xengine_base_background_compactions	1
xengine_batch_group_max_group_size	8
xengine_batch_group_max_leader_wait_time_us	50
xengine_batch_group_slot_array_size	8
xengine_block_cache_size	536870912
xengine_block_size	16384
xengine_bottommost_level	2
xengine_compact_cf	0
xengine_compaction_delete_percent	70
xengine_compaction_mode	0
xengine_compaction_task_extents_limit	1000
xengine_compaction_type	0
xengine_compression_options	-14:1:0
xengine_compression_per_level	kNoCompression
xengine_concurrent_writable_file_buffer_num	4
xengine_concurrent_writable_file_buffer_switch_limit	32768
xengine_concurrent_writable_file_single_buffer_size	65536
xengine_cpu_compaction_thread_num	8
xengine_datadir	./.xengine
xengine_db_total_write_buffer_size	107374182400
xengine_db_write_buffer_size	107374182400
xengine_deadlock_detect	OFF
xengine_disable_auto_compactions	OFF
xengine_disable_instant_ddl	OFF
xengine_disable_online_ddl	0
xengine_disable_parallel_ddl	OFF
xengine_dump_malloc_stats	OFF
xengine_dump_memtable_limit_size	67108864
xengine_enable_2pc	ON
xengine_flush_delete_percent	70
xengine_flush_delete_percent_trigger	700000
xengine_flush_delete_record_trigger	700000
xengine_flush_log_at_trx_commit	1
xengine_force_flush_memtable_now	OFF
xengine_fpga_compaction_thread_num	8
xengine_hotbackup	
xengine_idle_tasks_schedule_time	60
xengine_level0_file_num_compaction_trigger	64
xengine_level0_layer_num_compaction_trigger	8
xengine_level1_extents_major_compaction_trigger	1000
xengine_level2_usage_percent	70
xengine_level_compaction_dynamic_level_bytes	ON
xengine_lock_scanned_rows	OFF
xengine_lock_wait_timeout	1
xengine_max_background_compactions	1
xengine_max_background_dumps	1
xengine_max_background_flushes	1
xengine_max_free_extent_percent	10
xengine_max_manifest_file_size	18446744073709551615
xengine_max_row_locks	1073741824
xengine_max_shrink_extent_count	512
xengine_max_total_wal_size	107374182400
xengine_max_write_buffer_number	1000
xengine_max_write_buffer_number_to_maintain	1000
xengine_memtable	
xengine_min_write_buffer_number_to_merge	2
xengine_mutex_backtrace_threshold_ns	100000000
xengine_parallel_read_threads	4
xengine_parallel_recovery_thread_num	0
xengine_parallel_wal_recovery	OFF
xengine_pause_background_work	ON
xengine_purge_invalid_subtable_bg	ON
xengine_query_trace_print_slow	ON
xengine_query_trace_sum	OFF
xengine_rate_limiter_bytes_per_sec	0
xengine_reset_pending_shrink	0
xengine_row_cache_size	0
xengine_scan_add_blocks_limit	100
xengine_shrink_allocate_interval	3600
xengine_shrink_table_space	-1
xengine_sort_buffer_size	4194304
xengine_stats_dump_period_sec	600
xengine_strict_collation_check	OFF
xengine_strict_collation_exceptions	
xengine_table_cache_numshardbits	7
xengine_table_cache_size	1073741824
xengine_total_max_shrink_extent_count	7680
xengine_unsafe_for_binlog	OFF
xengine_wal_dir	
xengine_wal_recovery_mode	1
xengine_write_buffer_size	268435456
xengine_write_disable_wal	OFF
create table t47 (pk int primary key, col1 varchar(12)) engine=xengine;
insert into t47 values (1, 'row1');
insert into t47 values (2, 'row2');
insert into t47 values (3, 'row3'),(4, 'row4');
connect  con1,localhost,root,,;
insert into t47 values (10, 'row10'),(11, 'row11');
connection default;
insert into t47 values (100, 'row100'),(101, 'row101');
disconnect con1;
connection default;
select * from t47;
pk	col1
1	row1
2	row2
3	row3
4	row4
10	row10
11	row11
100	row100
101	row101
drop table t47;
#
# Fix TRUNCATE over empty table (transaction is committed when it wasn't
# started)
#
create table t48(pk int primary key auto_increment, col1 varchar(12)) engine=xengine;
set autocommit=0;
truncate table t48;
set autocommit=1;
drop table t48;
#
# MDEV-4059: XEngine: query waiting for a lock cannot be killed until query timeout exceeded
#
create table t49 (pk int primary key, a int) engine=XEngine;
insert into t49 values (1,10),(2,20);
begin;
update t49 set a = 100 where pk = 1;
connect  con1,localhost,root,,;
set xengine_lock_wait_timeout=60;
set @var1= to_seconds(now());
update t49 set a = 1000 where pk = 1;
connect  con2,localhost,root,,;
kill query $con1_id;
connection con1;
ERROR 70100: Query execution was interrupted
set @var2= to_seconds(now());
select if ((@var2 - @var1) < 60, "passed", (@var2 - @var1)) as 'result';
result
passed
connection default;
disconnect con1;
commit;
drop table t49;
#
# Index-only tests for INT-based columns
#
create table t1 (pk int primary key, key1 int, col1 int, key(key1)) engine=xengine;
insert into t1 values (1,1,1);
insert into t1 values (2,2,2);
insert into t1 values (-5,-5,-5);
# INT column uses index-only:
explain
select key1 from t1 where key1=2;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	ref	key1	key1	5	const	#	100.00	Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`key1` AS `key1` from `test`.`t1` where (`test`.`t1`.`key1` = 2)
select key1 from t1 where key1=2;
key1
2
select key1 from t1 where key1=-5;
key1
-5
drop table t1;
create table t2 (pk int primary key, key1 int unsigned, col1 int, key(key1)) engine=xengine;
insert into t2 values (1,1,1), (2,2,2);
# INT UNSIGNED column uses index-only:
explain
select key1 from t2 where key1=2;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	NULL	ref	key1	key1	5	const	#	100.00	Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t2`.`key1` AS `key1` from `test`.`t2` where (`test`.`t2`.`key1` = 2)
select key1 from t2 where key1=2;
key1
2
drop table t2;
create table t3 (pk bigint primary key, key1 bigint, col1 int, key(key1)) engine=xengine;
insert into t3 values (1,1,1), (2,2,2);
# BIGINT uses index-only:
explain
select key1 from t3 where key1=2;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t3	NULL	ref	key1	key1	9	const	#	100.00	Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t3`.`key1` AS `key1` from `test`.`t3` where (`test`.`t3`.`key1` = 2)
select key1 from t3 where key1=2;
key1
2
drop table t3;
#
# Index-only reads for string columns
#
create table t1 (
pk int primary key,
key1 char(10) character set binary,
col1 int,
key (key1)
) engine=xengine;
insert into t1 values(1, 'one',11), (2,'two',22);
explain
select key1 from t1 where key1='one';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	ref	key1	key1	11	const	#	100.00	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`key1` AS `key1` from `test`.`t1` where (`test`.`t1`.`key1` = 'one')
# The following will produce no rows. This looks like a bug,
#  but it is actually correct behavior. Binary strings are end-padded
#  with \0 character (and not space).  Comparison does not ignore
#   the tail of \0.
select key1 from t1 where key1='one';
key1
explain
select hex(key1) from t1 where key1='one\0\0\0\0\0\0\0';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	ref	key1	key1	11	const	#	100.00	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select hex(`test`.`t1`.`key1`) AS `hex(key1)` from `test`.`t1` where (`test`.`t1`.`key1` = 'one\0\0\0\0\0\0\0')
select hex(key1) from t1 where key1='one\0\0\0\0\0\0\0';
hex(key1)
6F6E6500000000000000
drop table t1;
create table t2 (
pk int primary key,
key1 char(10) collate latin1_bin,
col1 int,
key (key1)
) engine=xengine;
insert into t2 values(1, 'one',11), (2,'two',22);
explain
select key1 from t2 where key1='one';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	NULL	ref	key1	key1	11	const	#	100.00	Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t2`.`key1` AS `key1` from `test`.`t2` where (`test`.`t2`.`key1` = 'one')
select key1 from t2 where key1='one';
key1
one
drop table t2;
create table t3 (
pk int primary key,
key1 char(10) collate utf8_bin,
col1 int,
key (key1)
) engine=xengine;
Warnings:
Warning	3778	'utf8_bin' is a collation of the deprecated character set UTF8MB3. Please consider using UTF8MB4 with an appropriate collation instead.
insert into t3 values(1, 'one',11), (2,'two',22);
explain
select key1 from t3 where key1='one';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t3	NULL	ref	key1	key1	31	const	#	100.00	Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t3`.`key1` AS `key1` from `test`.`t3` where (`test`.`t3`.`key1` = 'one')
select key1 from t3 where key1='one';
key1
one
drop table t3;
# a VARCHAR column
create table t4 (
pk int primary key,
key1 varchar(10) collate latin1_bin,
key(key1)
) engine=xengine;
insert into t4 values(1, 'one'), (2,'two'),(3,'threee'),(55,'fifty-five');
analyze table t4;
Table	Op	Msg_type	Msg_text
test.t4	analyze	status	OK
explain
select key1 from t4 where key1='two';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t4	NULL	ref	key1	key1	13	const	#	100.00	Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t4`.`key1` AS `key1` from `test`.`t4` where (`test`.`t4`.`key1` = 'two')
select key1 from t4 where key1='two';
key1
two
select key1 from t4 where key1='fifty-five';
key1
fifty-five
explain
select key1 from t4 where key1 between 's' and 'u';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t4	NULL	range	key1	key1	13	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t4`.`key1` AS `key1` from `test`.`t4` where (`test`.`t4`.`key1` between 's' and 'u')
select key1 from t4 where key1 between 's' and 'u';
key1
threee
two
drop table t4;
#
# MDEV-4305: XEngine: Assertion `((keypart_map + 1) & keypart_map) == 0' fails in calculate_key_len
#
CREATE TABLE t1 (pk1 INT, pk2 CHAR(32), i INT, PRIMARY KEY(pk1,pk2), KEY(i)) ENGINE=XEngine;
INSERT INTO t1 VALUES (1,'test1',6),(2,'test2',8);
SELECT * FROM t1 WHERE i != 3 OR  pk1 > 9;
pk1	pk2	i
1	test1	6
2	test2	8
DROP TABLE t1;
#
# MDEV-4298: XEngine: Assertion `thd->is_error() || kill_errno' fails in ha_rows filesort
#
CREATE TABLE t1 (pk INT PRIMARY KEY, i INT, KEY(i)) ENGINE=XEngine;
INSERT INTO t1 VALUES (1,1),(2,2);
BEGIN;
UPDATE t1 SET i = 100;
connect  con1,localhost,root,,test;
DELETE IGNORE FROM t1 ORDER BY i;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
disconnect con1;
connection default;
COMMIT;
DROP TABLE t1;
#
# MDEV-4324: XEngine: Valgrind "Use of uninitialised value" warnings on inserting value into varchar field
#  (testcase only)
#
CREATE TABLE t1 (pk INT PRIMARY KEY, c VARCHAR(4)) ENGINE=XEngine;
INSERT INTO t1 VALUES (1,'foo'), (2,'bar');
DROP TABLE t1;
#
# MDEV-4304: XEngine: Index-only scan by a field with utf8_bin collation returns garbage symbols
#
CREATE TABLE t1 (pk INT PRIMARY KEY, c1 CHAR(1), c2 CHAR(1), KEY(c1)) ENGINE=XEngine CHARSET utf8 COLLATE utf8_bin;
Warnings:
Warning	3719	'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
Warning	3778	'utf8_bin' is a collation of the deprecated character set UTF8MB3. Please consider using UTF8MB4 with an appropriate collation instead.
INSERT INTO t1 VALUES (1,'h','h');
SELECT * FROM t1;
pk	c1	c2
1	h	h
SELECT c1 FROM t1;
c1
h
DROP TABLE t1;
#
# MDEV-4300: XEngine: Server crashes in inline_mysql_mutex_lock on SELECT .. FOR UPDATE
#
CREATE TABLE t2 (pk INT PRIMARY KEY, i INT, KEY (i)) ENGINE=XEngine;
INSERT INTO t2 VALUES (1,4),(2,5);
SELECT 1 FROM t2 WHERE i < 0 FOR UPDATE;
1
DROP TABLE t2;
#
# MDEV-4301: XEngine: Assertion `pack_info != __null' fails in Rdb_key_def::unpack_record
#
CREATE TABLE t1 (pk INT PRIMARY KEY, i INT, c CHAR(1), KEY(c,i)) ENGINE=XEngine;
INSERT INTO t1 VALUES (1,4,'d'),(2,8,'e');
SELECT MAX( pk ) FROM t1 WHERE i = 105 AND c = 'h';
MAX( pk )
NULL
DROP TABLE t1;
#
# MDEV-4337: XEngine: Inconsistent results comparing a char field with an int field
#
create table t1 (c char(1), i int, primary key(c), key(i)) engine=XEngine;
insert into t1 values ('2',2),('6',6);
select * from t1 where c = i;
c	i
2	2
6	6
select * from t1 ignore index (i) where c = i;
c	i
2	2
6	6
drop table t1;
#
# Test statement rollback inside a transaction
#
create table t1 (pk varchar(12) primary key) engine=xengine;
insert into t1 values ('old-val1'),('old-val2');
create table t2 (pk varchar(12) primary key) engine=xengine;
insert into t2 values ('new-val2'),('old-val1');
begin;
insert into t1 values ('new-val1');
insert into t1 select * from t2;
ERROR 23000: Duplicate entry 'old-val1' for key 'PRIMARY'
commit;
select * from t1;
pk
new-val1
old-val1
old-val2
drop table t1, t2;
#
# MDEV-4383: XEngine: Wrong result of DELETE .. ORDER BY .. LIMIT:
#   rows that should be deleted remain in the table
#
CREATE TABLE t2 (pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=XEngine;
CREATE TABLE t1 (pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=XEngine;
INSERT INTO t1 (pk) VALUES (NULL),(NULL);
BEGIN;
INSERT INTO t2 (pk) VALUES (NULL),(NULL);
INSERT INTO t1 (pk) VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL);
SELECT * FROM t1 ORDER BY pk LIMIT 9;
pk
1
2
3
4
5
6
7
8
affected rows: 8
DELETE FROM t1 ORDER BY pk LIMIT 9;
affected rows: 8
SELECT * FROM t1 ORDER BY pk LIMIT 9;
pk
affected rows: 0
DROP TABLE t1,t2;
#
# MDEV-4374: XEngine: Valgrind warnings 'Use of uninitialised value' on
#   inserting into a varchar column
#
CREATE TABLE t1 (pk INT PRIMARY KEY, a VARCHAR(32)) ENGINE=XEngine;
INSERT INTO t1 VALUES (1,'foo'),(2,'bar');
DROP TABLE t1;
#
# MDEV-4061: XEngine: Changes from an interrupted query are still applied
#
create table t1 (pk int primary key, a int) engine=XEngine;
insert into t1 values (1,10),(2,20);
set autocommit = 1;
update t1 set a = sleep(100) where pk = 1;
connect  con1,localhost,root,,;
kill query $con_id;
connection default;
ERROR 70100: Query execution was interrupted
select * from t1;
pk	a
1	10
2	20
disconnect con1;
drop table t1;
#
# MDEV-4099: XEngine: Wrong results with index and range access after INSERT IGNORE or REPLACE
#
CREATE TABLE t1 (pk INT PRIMARY KEY, a SMALLINT, b INT, KEY (a)) ENGINE=XEngine;
INSERT IGNORE INTO t1 VALUES (1, 157, 0), (2, 1898, -504403), (1, -14659,  0);
Warnings:
Warning	1062	Duplicate entry '1' for key 'PRIMARY'
SELECT * FROM t1;
pk	a	b
1	157	0
2	1898	-504403
SELECT pk FROM t1;
pk
1
2
SELECT * FROM t1 WHERE a != 97;
pk	a	b
1	157	0
2	1898	-504403
DROP TABLE t1;
#
# Test @@xengine_max_row_locks
#
CREATE TABLE t1 (pk INT PRIMARY KEY, a int) ENGINE=XEngine;
set @a=-1;
insert into t1 select (@a:=@a+1), 1234 from performance_schema.session_variables limit 100;
Warnings:
Warning	1287	Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'.
set @tmp1= @@xengine_max_row_locks;
set xengine_max_row_locks= 20;
update t1 set a=a+10;
ERROR HY000: Got error 220 'Number of locks held reached @@xengine_max_row_locks.' from XENGINE
DROP TABLE t1;
#
# Test AUTO_INCREMENT behavior problem,
#  "explicit insert into an auto-inc column is not noticed by XEngine"
#
create table t1 (i int primary key auto_increment) engine=XEngine;
insert into t1 values (null);
insert into t1 values (null);
select * from t1;
i
1
2
drop table t1;
create table t2 (i int primary key auto_increment) engine=XEngine;
insert into t2 values (1);
select * from t2;
i
1
# this fails (ie. used to fail), XEngine engine did not notice use of '1' above
insert into t2 values (null);
select * from t2;
i
1
2
# but then this succeeds, so previous statement must have incremented next number counter
insert into t2 values (null);
select * from t2;
i
1
2
3
drop table t2;
#
# Fix Issue#2: AUTO_INCREMENT value doesn't survive server shutdown
#
create table t1 (i int primary key auto_increment) engine=XEngine;
insert into t1 values (null);
insert into t1 values (null);
SET GLOBAL XENGINE_PAUSE_BACKGROUND_WORK = @ORIG_PAUSE_BACKGROUND_WORK;
# restart
SET @ORIG_PAUSE_BACKGROUND_WORK = @@XENGINE_PAUSE_BACKGROUND_WORK;
SET GLOBAL XENGINE_PAUSE_BACKGROUND_WORK = 1;
insert into t1 values (null);
select * from t1;
i
1
2
3
drop table t1;
#
# Fix Issue #3: SHOW TABLE STATUS shows Auto_increment=0
#
create table t1 (i int primary key auto_increment) engine=XEngine;
insert into t1 values (null),(null);
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
show table status like 't1';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
t1	XENGINE	10	Fixed	#	#	#	0	0	0	3	#	#	#	utf8mb4_general_ci	NULL		
drop table t1;
#
# Fix Issue #4: Crash when using pseudo-unique keys
#
CREATE TABLE t1 (
i INT,
t TINYINT,
s SMALLINT,
m MEDIUMINT,
b BIGINT,
pk MEDIUMINT AUTO_INCREMENT PRIMARY KEY,
UNIQUE KEY b_t (b,t)
) ENGINE=xengine;
INSERT INTO t1 (i,t,s,m,b) VALUES (1,2,3,4,5),(1000,100,10000,1000000,1000000000000000000),(5,100,10000,1000000,100000000000000000),(2,3,4,5,6),(3,4,5,6,7),(101,102,103,104,105),(10001,103,10002,10003,10004),(10,11,12,13,14),(11,12,13,14,15),(12,13,14,15,16);
SELECT b+t FROM t1 WHERE (b,t) IN ( SELECT b, t FROM t1 WHERE i>1 ) ORDER BY b+t;
b+t
9
11
25
27
29
207
10107
100000000000000100
1000000000000000100
DROP TABLE t1;
#
# Fix issue #5: Transaction rollback doesn't undo all changes.
#
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (id int auto_increment primary key, value int) engine=xengine;
set autocommit=0;
begin;
set @a:=0;
insert into t1 select @a:=@a+1, @a from t0 A, t0 B, t0 C, t0 D where D.a<4;
Warnings:
Warning	1287	Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'.
insert into t1 select @a:=@a+1, @a from t0 A, t0 B, t0 C, t0 D where D.a<4;
Warnings:
Warning	1287	Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'.
insert into t1 select @a:=@a+1, @a from t0 A, t0 B, t0 C, t0 D where D.a<4;
Warnings:
Warning	1287	Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'.
rollback;
select count(*) from t1;
count(*)
10000
set autocommit=1;
drop table t0, t1;
#
# Check status variables
#
show status like 'xengine%';
Variable_name	Value
xengine_rows_deleted	#
xengine_rows_inserted	#
xengine_rows_read	#
xengine_rows_updated	#
xengine_system_rows_deleted	#
xengine_system_rows_inserted	#
xengine_system_rows_read	#
xengine_system_rows_updated	#
xengine_block_cache_add	#
xengine_block_cache_data_hit	#
xengine_block_cache_data_miss	#
xengine_block_cache_filter_hit	#
xengine_block_cache_filter_miss	#
xengine_block_cache_hit	#
xengine_block_cache_index_hit	#
xengine_block_cache_index_miss	#
xengine_block_cache_miss	#
xengine_block_cachecompressed_hit	#
xengine_block_cachecompressed_miss	#
xengine_bytes_read	#
xengine_bytes_written	#
xengine_memtable_hit	#
xengine_memtable_miss	#
xengine_number_block_not_compressed	#
xengine_number_keys_read	#
xengine_number_keys_updated	#
xengine_number_keys_written	#
xengine_number_superversion_acquires	#
xengine_number_superversion_cleanups	#
xengine_number_superversion_releases	#
xengine_row_cache_add	#
xengine_row_cache_hit	#
xengine_row_cache_miss	#
xengine_snapshot_conflict_errors	#
xengine_wal_bytes	#
xengine_wal_group_syncs	#
xengine_wal_synced	#
xengine_write_other	#
xengine_write_self	#
xengine_write_wal	#
select VARIABLE_NAME from performance_schema.global_status where VARIABLE_NAME LIKE 'xengine%';
VARIABLE_NAME
xengine_rows_deleted
xengine_rows_inserted
xengine_rows_read
xengine_rows_updated
xengine_system_rows_deleted
xengine_system_rows_inserted
xengine_system_rows_read
xengine_system_rows_updated
xengine_block_cache_add
xengine_block_cache_data_hit
xengine_block_cache_data_miss
xengine_block_cache_filter_hit
xengine_block_cache_filter_miss
xengine_block_cache_hit
xengine_block_cache_index_hit
xengine_block_cache_index_miss
xengine_block_cache_miss
xengine_block_cachecompressed_hit
xengine_block_cachecompressed_miss
xengine_bytes_read
xengine_bytes_written
xengine_memtable_hit
xengine_memtable_miss
xengine_number_block_not_compressed
xengine_number_keys_read
xengine_number_keys_updated
xengine_number_keys_written
xengine_number_superversion_acquires
xengine_number_superversion_cleanups
xengine_number_superversion_releases
xengine_row_cache_add
xengine_row_cache_hit
xengine_row_cache_miss
xengine_snapshot_conflict_errors
xengine_wal_bytes
xengine_wal_group_syncs
xengine_wal_synced
xengine_write_other
xengine_write_self
xengine_write_wal
# XEngine-SE's status variables are global internally
#  but they are shown as both session and global, like InnoDB's status vars.
select VARIABLE_NAME from performance_schema.session_status where VARIABLE_NAME LIKE 'xengine%';
VARIABLE_NAME
xengine_rows_deleted
xengine_rows_inserted
xengine_rows_read
xengine_rows_updated
xengine_system_rows_deleted
xengine_system_rows_inserted
xengine_system_rows_read
xengine_system_rows_updated
xengine_block_cache_add
xengine_block_cache_data_hit
xengine_block_cache_data_miss
xengine_block_cache_filter_hit
xengine_block_cache_filter_miss
xengine_block_cache_hit
xengine_block_cache_index_hit
xengine_block_cache_index_miss
xengine_block_cache_miss
xengine_block_cachecompressed_hit
xengine_block_cachecompressed_miss
xengine_bytes_read
xengine_bytes_written
xengine_memtable_hit
xengine_memtable_miss
xengine_number_block_not_compressed
xengine_number_keys_read
xengine_number_keys_updated
xengine_number_keys_written
xengine_number_superversion_acquires
xengine_number_superversion_cleanups
xengine_number_superversion_releases
xengine_row_cache_add
xengine_row_cache_hit
xengine_row_cache_miss
xengine_snapshot_conflict_errors
xengine_wal_bytes
xengine_wal_group_syncs
xengine_wal_synced
xengine_write_other
xengine_write_self
xengine_write_wal
#
# Fix issue #9: HA_ERR_INTERNAL_ERROR when running linkbench
#
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (
pk int primary key,
col1 varchar(255),
key(col1)
) engine=xengine;
insert into t1 select a, repeat('123456789ABCDEF-', 15) from t0;
select * from t1 where pk=3;
pk	col1
3	123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-123456789ABCDEF-
drop table t0, t1;
#
# Fix issue #10: Segfault in Rdb_key_def::get_primary_key_tuple
#
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
CREATE TABLE t1 (
id1 bigint(20) unsigned NOT NULL DEFAULT '0',
id2 bigint(20) unsigned NOT NULL DEFAULT '0',
link_type bigint(20) unsigned NOT NULL DEFAULT '0',
visibility tinyint(3) NOT NULL DEFAULT '0',
data varchar(255) NOT NULL DEFAULT '',
time bigint(20) unsigned NOT NULL DEFAULT '0',
version int(11) unsigned NOT NULL DEFAULT '0',
PRIMARY KEY (link_type,id1,id2)
) engine=xengine;
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
insert into t1 select a,a,a,1,a,a,a from t0;
alter table t1 add index id1_type (id1,link_type,visibility,time,version,data);
select * from t1 where id1 = 3;
id1	id2	link_type	visibility	data	time	version
3	3	3	1	3	3	3
drop table t0,t1;
#
# Test column families
#
create table t1 (
pk int primary key,
col1 int,
col2 int,
key(col1) comment 'cf3',
key(col2) comment 'cf4'
) engine=xengine;
insert into t1 values (1,1,1), (2,2,2), (3,3,3), (4,4,4), (5,5,5);
explain
select * from t1 where col1=2;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	ref	col1	col1	5	const	#	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`col1` AS `col1`,`test`.`t1`.`col2` AS `col2` from `test`.`t1` where (`test`.`t1`.`col1` = 2)
select * from t1 where col1=2;
pk	col1	col2
2	2	2
explain
select * from t1 where col2=3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	ref	col2	col2	5	const	#	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`col1` AS `col1`,`test`.`t1`.`col2` AS `col2` from `test`.`t1` where (`test`.`t1`.`col2` = 3)
select * from t1 where col2=3;
pk	col1	col2
3	3	3
select * from t1 where pk=4;
pk	col1	col2
4	4	4
drop table t1;
#
# Try primary key in a non-default CF:
#
create table t1 (
pk int,
col1 int,
col2 int,
key(col1) comment 'cf3',
key(col2) comment 'cf4',
primary key (pk) comment 'cf5'
) engine=xengine;
insert into t1 values (1,1,1), (2,2,2), (3,3,3), (4,4,4), (5,5,5);
explain
select * from t1 where col1=2;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	ref	col1	col1	5	const	#	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`col1` AS `col1`,`test`.`t1`.`col2` AS `col2` from `test`.`t1` where (`test`.`t1`.`col1` = 2)
select * from t1 where col1=2;
pk	col1	col2
2	2	2
select * from t1 where pk=4;
pk	col1	col2
4	4	4
drop table t1;
#
# Issue #15: SIGSEGV from reading in blob data
#
CREATE TABLE t1 (
id int not null,
blob_col text,
PRIMARY KEY (id)
) ENGINE=XENGINE CHARSET=latin1;
INSERT INTO t1 SET id=123, blob_col=repeat('z',64000) ON DUPLICATE KEY UPDATE blob_col=VALUES(blob_col);
INSERT INTO t1 SET id=123, blob_col=''                ON DUPLICATE KEY UPDATE blob_col=VALUES(blob_col);
DROP TABLE t1;
#
# Issue #17: Automatic per-index column families
#
create table t1 (
id int not null,
key1 int,
PRIMARY KEY (id),
index (key1) comment '$per_index_cf'
) engine=xengine;
create table t1_err (
id int not null,
key1 int,
PRIMARY KEY (id),
index (key1) comment 'test.t1.key1'
) engine=xengine;
create table t2_err (
id int not null,
key1 int,
PRIMARY KEY (id),
index (key1) comment 'test.t1.key2'
) engine=xengine;
drop table t1_err;
drop table t2_err;
# Unfortunately there is no way to check which column family everything goes to
insert into t1 values (1,1);
select * from t1;
id	key1
1	1
# Check that ALTER and RENAME are disallowed
alter table t1 add col2 int;
rename table t1 to t2;
drop table t2;
# Check detection of typos in $per_index_cf
create table t100 (
id int not null,
key1 int,
PRIMARY KEY (id),
index (key1) comment '$per_idnex_cf'
)engine=xengine;
drop table t100;
#
# Issue #22: SELECT ... FOR UPDATE takes a long time
#
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (
id1 int,
id2 int,
value1 int,
value2 int,
primary key(id1, id2) COMMENT 'new_column_family',
key(id2)
) engine=xengine default charset=latin1 collate=latin1_bin;
insert into t1 select A.a, B.a, 31, 1234 from t0 A, t0 B;
explain
select * from t1 where id1=30 and value1=30 for update;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	ref	PRIMARY	PRIMARY	4	const	#	10.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`id1` AS `id1`,`test`.`t1`.`id2` AS `id2`,`test`.`t1`.`value1` AS `value1`,`test`.`t1`.`value2` AS `value2` from `test`.`t1` where ((`test`.`t1`.`value1` = 30) and (`test`.`t1`.`id1` = 30))
set @var1=(select variable_value
from performance_schema.global_status
where variable_name='xengine_number_keys_read');
select * from t1 where id1=3 and value1=3 for update;
id1	id2	value1	value2
set @var2=(select variable_value
from performance_schema.global_status
where variable_name='xengine_number_keys_read');
# The following must return true (before the fix, the difference was 70):
select if((@var2 - @var1) < 30, 1, @var2-@var1);
if((@var2 - @var1) < 30, 1, @var2-@var1)
1
drop table t0,t1;
#
# Issue #33: SELECT ... FROM xengine_table ORDER BY primary_key uses sorting
#
create table t1 (id int primary key, value int) engine=xengine;
insert into t1 values (1,1),(2,2),(3,3);
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
# The following must not use 'Using filesort':
explain select * from t1 ORDER BY id;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	index	NULL	PRIMARY	4	NULL	#	#	NULL
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`id` AS `id`,`test`.`t1`.`value` AS `value` from `test`.`t1` order by `test`.`t1`.`id`
drop table t1;
#
# Issue #26: Index-only scans for DATETIME and TIMESTAMP
#
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
# Try a DATETIME column:
create table t1 (
pk int auto_increment primary key,
kp1 datetime,
kp2 int,
col1 int,
key(kp1, kp2)
) engine=xengine;
insert into t1 (kp1,kp2)
select date_add('2015-01-01 12:34:56', interval a day), a from t0;
select * from t1;
pk	kp1	kp2	col1
1	2015-01-01 12:34:56	0	NULL
2	2015-01-02 12:34:56	1	NULL
3	2015-01-03 12:34:56	2	NULL
4	2015-01-04 12:34:56	3	NULL
5	2015-01-05 12:34:56	4	NULL
6	2015-01-06 12:34:56	5	NULL
7	2015-01-07 12:34:56	6	NULL
8	2015-01-08 12:34:56	7	NULL
9	2015-01-09 12:34:56	8	NULL
10	2015-01-10 12:34:56	9	NULL
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
# This must show 'Using index'
explain
select kp1,kp2 from t1 force index (kp1)
where kp1 between '2015-01-01 00:00:00' and '2015-01-05 23:59:59';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	range	kp1	kp1	6	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`kp1` AS `kp1`,`test`.`t1`.`kp2` AS `kp2` from `test`.`t1` FORCE INDEX (`kp1`) where (`test`.`t1`.`kp1` between '2015-01-01 00:00:00' and '2015-01-05 23:59:59')
select kp1,kp2 from t1 force index (kp1)
where kp1 between '2015-01-01 00:00:00' and '2015-01-05 23:59:59';
kp1	kp2
2015-01-01 12:34:56	0
2015-01-02 12:34:56	1
2015-01-03 12:34:56	2
2015-01-04 12:34:56	3
2015-01-05 12:34:56	4
# Now, the same with NOT NULL column
create table t2 (
pk int auto_increment primary key,
kp1 datetime not null,
kp2 int,
col1 int,
key(kp1, kp2)
) engine=xengine;
insert into t2 select * from t1;
analyze table t2;
Table	Op	Msg_type	Msg_text
test.t2	analyze	status	OK
# This must show 'Using index'
explain
select kp1,kp2 from t2 force index (kp1)
where kp1 between '2015-01-01 00:00:00' and '2015-01-05 23:59:59';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	NULL	range	kp1	kp1	5	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t2`.`kp1` AS `kp1`,`test`.`t2`.`kp2` AS `kp2` from `test`.`t2` FORCE INDEX (`kp1`) where (`test`.`t2`.`kp1` between '2015-01-01 00:00:00' and '2015-01-05 23:59:59')
select kp1,kp2 from t2 force index (kp1)
where kp1 between '2015-01-01 00:00:00' and '2015-01-05 23:59:59';
kp1	kp2
2015-01-01 12:34:56	0
2015-01-02 12:34:56	1
2015-01-03 12:34:56	2
2015-01-04 12:34:56	3
2015-01-05 12:34:56	4
drop table t1,t2;
# Try a DATE column:
create table t1 (
pk int auto_increment primary key,
kp1 date,
kp2 int,
col1 int,
key(kp1, kp2)
) engine=xengine;
insert into t1 (kp1,kp2)
select date_add('2015-01-01', interval a day), a from t0;
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
select * from t1;
pk	kp1	kp2	col1
1	2015-01-01	0	NULL
2	2015-01-02	1	NULL
3	2015-01-03	2	NULL
4	2015-01-04	3	NULL
5	2015-01-05	4	NULL
6	2015-01-06	5	NULL
7	2015-01-07	6	NULL
8	2015-01-08	7	NULL
9	2015-01-09	8	NULL
10	2015-01-10	9	NULL
# This must show 'Using index'
explain
select kp1,kp2 from t1 force index (kp1)
where kp1 between '2015-01-01' and '2015-01-05';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	range	kp1	kp1	4	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`kp1` AS `kp1`,`test`.`t1`.`kp2` AS `kp2` from `test`.`t1` FORCE INDEX (`kp1`) where (`test`.`t1`.`kp1` between '2015-01-01' and '2015-01-05')
select kp1,kp2 from t1 force index (kp1)
where kp1 between '2015-01-01' and '2015-01-05';
kp1	kp2
2015-01-01	0
2015-01-02	1
2015-01-03	2
2015-01-04	3
2015-01-05	4
# Now, the same with NOT NULL column
create table t2 (
pk int auto_increment primary key,
kp1 date not null,
kp2 int,
col1 int,
key(kp1, kp2)
) engine=xengine;
insert into t2 select * from t1;
analyze table t2;
Table	Op	Msg_type	Msg_text
test.t2	analyze	status	OK
# This must show 'Using index'
explain
select kp1,kp2 from t2 force index (kp1)
where kp1 between '2015-01-01 00:00:00' and '2015-01-05 23:59:59';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	NULL	range	kp1	kp1	3	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t2`.`kp1` AS `kp1`,`test`.`t2`.`kp2` AS `kp2` from `test`.`t2` FORCE INDEX (`kp1`) where (`test`.`t2`.`kp1` between '2015-01-01 00:00:00' and '2015-01-05 23:59:59')
select kp1,kp2 from t2 force index (kp1)
where kp1 between '2015-01-01 00:00:00' and '2015-01-05 23:59:59';
kp1	kp2
2015-01-01	0
2015-01-02	1
2015-01-03	2
2015-01-04	3
2015-01-05	4
drop table t1,t2;
#
# Try a TIMESTAMP column:
#
create table t1 (
pk int auto_increment primary key,
kp1 timestamp,
kp2 int,
col1 int,
key(kp1, kp2)
) engine=xengine;
insert into t1 (kp1,kp2)
select date_add('2015-01-01 12:34:56', interval a day), a from t0;
select * from t1;
pk	kp1	kp2	col1
1	2015-01-01 12:34:56	0	NULL
2	2015-01-02 12:34:56	1	NULL
3	2015-01-03 12:34:56	2	NULL
4	2015-01-04 12:34:56	3	NULL
5	2015-01-05 12:34:56	4	NULL
6	2015-01-06 12:34:56	5	NULL
7	2015-01-07 12:34:56	6	NULL
8	2015-01-08 12:34:56	7	NULL
9	2015-01-09 12:34:56	8	NULL
10	2015-01-10 12:34:56	9	NULL
# This must show 'Using index'
explain
select kp1,kp2 from t1 force index (kp1)
where kp1 between '2015-01-01 00:00:00' and '2015-01-05 23:59:59';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	index	kp1	kp1	10	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`kp1` AS `kp1`,`test`.`t1`.`kp2` AS `kp2` from `test`.`t1` FORCE INDEX (`kp1`) where (`test`.`t1`.`kp1` between '2015-01-01 00:00:00' and '2015-01-05 23:59:59')
select kp1,kp2 from t1 force index (kp1)
where kp1 between '2015-01-01 00:00:00' and '2015-01-05 23:59:59';
kp1	kp2
2015-01-01 12:34:56	0
2015-01-02 12:34:56	1
2015-01-03 12:34:56	2
2015-01-04 12:34:56	3
2015-01-05 12:34:56	4
# Now, the same with NOT NULL column
create table t2 (
pk int auto_increment primary key,
kp1 timestamp not null,
kp2 int,
col1 int,
key(kp1, kp2)
) engine=xengine;
insert into t2 select * from t1;
analyze table t2;
Table	Op	Msg_type	Msg_text
test.t2	analyze	status	OK
# This must show 'Using index'
explain
select kp1,kp2 from t2 force index (kp1)
where kp1 between '2015-01-01 00:00:00' and '2015-01-05 23:59:59';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	NULL	range	kp1	kp1	4	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t2`.`kp1` AS `kp1`,`test`.`t2`.`kp2` AS `kp2` from `test`.`t2` FORCE INDEX (`kp1`) where (`test`.`t2`.`kp1` between '2015-01-01 00:00:00' and '2015-01-05 23:59:59')
select kp1,kp2 from t2 force index (kp1)
where kp1 between '2015-01-01 00:00:00' and '2015-01-05 23:59:59';
kp1	kp2
2015-01-01 12:34:56	0
2015-01-02 12:34:56	1
2015-01-03 12:34:56	2
2015-01-04 12:34:56	3
2015-01-05 12:34:56	4
drop table t1,t2;
#
# Try a TIME column:
#
create table t1 (
pk int auto_increment primary key,
kp1 time,
kp2 int,
col1 int,
key(kp1, kp2)
) engine=xengine;
insert into t1 (kp1,kp2)
select date_add('2015-01-01 09:00:00', interval a minute), a from t0;
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
select * from t1;
pk	kp1	kp2	col1
1	09:00:00	0	NULL
2	09:01:00	1	NULL
3	09:02:00	2	NULL
4	09:03:00	3	NULL
5	09:04:00	4	NULL
6	09:05:00	5	NULL
7	09:06:00	6	NULL
8	09:07:00	7	NULL
9	09:08:00	8	NULL
10	09:09:00	9	NULL
# This must show 'Using index'
explain
select kp1,kp2 from t1 force index (kp1)
where kp1 between '09:01:00' and '09:05:00';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	range	kp1	kp1	4	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`kp1` AS `kp1`,`test`.`t1`.`kp2` AS `kp2` from `test`.`t1` FORCE INDEX (`kp1`) where (`test`.`t1`.`kp1` between '09:01:00' and '09:05:00')
select kp1,kp2 from t1 force index (kp1)
where kp1 between '09:01:00' and '09:05:00';
kp1	kp2
09:01:00	1
09:02:00	2
09:03:00	3
09:04:00	4
09:05:00	5
# Now, the same with NOT NULL column
create table t2 (
pk int auto_increment primary key,
kp1 time not null,
kp2 int,
col1 int,
key(kp1, kp2)
) engine=xengine;
insert into t2 select * from t1;
analyze table t2;
Table	Op	Msg_type	Msg_text
test.t2	analyze	status	OK
# This must show 'Using index'
explain
select kp1,kp2 from t2 force index (kp1)
where kp1 between '09:01:00' and '09:05:00';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	NULL	range	kp1	kp1	3	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t2`.`kp1` AS `kp1`,`test`.`t2`.`kp2` AS `kp2` from `test`.`t2` FORCE INDEX (`kp1`) where (`test`.`t2`.`kp1` between '09:01:00' and '09:05:00')
select kp1,kp2 from t2 force index (kp1)
where kp1 between '09:01:00' and '09:05:00';
kp1	kp2
09:01:00	1
09:02:00	2
09:03:00	3
09:04:00	4
09:05:00	5
drop table t1,t2;
#
# Try a YEAR column:
#
create table t1 (
pk int auto_increment primary key,
kp1 year,
kp2 int,
col1 int,
key(kp1, kp2)
) engine=xengine;
insert into t1 (kp1,kp2) select 2015+a, a from t0;
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
select * from t1;
pk	kp1	kp2	col1
1	2015	0	NULL
2	2016	1	NULL
3	2017	2	NULL
4	2018	3	NULL
5	2019	4	NULL
6	2020	5	NULL
7	2021	6	NULL
8	2022	7	NULL
9	2023	8	NULL
10	2024	9	NULL
# This must show 'Using index'
explain
select kp1,kp2 from t1 force index (kp1)
where kp1 between '2016' and '2020';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	range	kp1	kp1	2	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`kp1` AS `kp1`,`test`.`t1`.`kp2` AS `kp2` from `test`.`t1` FORCE INDEX (`kp1`) where (`test`.`t1`.`kp1` between 2016 and 2020)
select kp1,kp2 from t1 force index (kp1)
where kp1 between '2016' and '2020';
kp1	kp2
2016	1
2017	2
2018	3
2019	4
2020	5
# Now, the same with NOT NULL column
create table t2 (
pk int auto_increment primary key,
kp1 year not null,
kp2 int,
col1 int,
key(kp1, kp2)
) engine=xengine;
insert into t2 select * from t1;
analyze table t2;
Table	Op	Msg_type	Msg_text
test.t2	analyze	status	OK
# This must show 'Using index'
explain
select kp1,kp2 from t2 force index (kp1)
where kp1 between '2016' and '2020';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	NULL	range	kp1	kp1	1	NULL	#	#	Using where; Using index
Warnings:
Note	1003	/* select#1 */ select `test`.`t2`.`kp1` AS `kp1`,`test`.`t2`.`kp2` AS `kp2` from `test`.`t2` FORCE INDEX (`kp1`) where (`test`.`t2`.`kp1` between 2016 and 2020)
select kp1,kp2 from t2 force index (kp1)
where kp1 between '2016' and '2020';
kp1	kp2
2016	1
2017	2
2018	3
2019	4
2020	5
drop table t1,t2;
#
# Issue #57: Release row locks on statement errors
#
create table t1 (id int primary key) engine=xengine;
insert into t1 values (1), (2), (3);
begin;
insert into t1 values (4), (5), (6);
insert into t1 values (7), (8), (2), (9);
ERROR 23000: Duplicate entry '2' for key 'PRIMARY'
select * from t1;
id
1
2
3
4
5
6
begin;
select * from t1 where id=4 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
select * from t1 where id=7 for update;
id
select * from t1 where id=9 for update;
id
drop table t1;
#Index on blob column
SET @old_mode = @@sql_mode;
SET sql_mode = 'strict_all_tables';
Warnings:
Warning	3135	'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
create table t1 (a int, b text, c varchar(400), Primary Key(a), Key(c, b(255))) engine=xengine;
drop table t1;
create table t1 (a int, b text, c varchar(400), Primary Key(a), Key(b(1255))) engine=xengine charset latin1;
insert into t1 values (1, '1abcde', '1abcde'), (2, '2abcde', '2abcde'), (3, '3abcde', '3abcde');
select * from t1;
a	b	c
1	1abcde	1abcde
2	2abcde	2abcde
3	3abcde	3abcde
explain select * from t1 where b like '1%';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	range	b	b	1258	NULL	#	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where (`test`.`t1`.`b` like '1%')
explain select b, a from t1 where b like '1%';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	range	b	b	1258	NULL	#	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`b` like '1%')
update t1 set b= '12345' where b = '2abcde';
select * from t1;
a	b	c
1	1abcde	1abcde
2	12345	2abcde
3	3abcde	3abcde
drop table t1;
create table t1 (a int, b text, c varchar(400), Primary Key(a), Key(b(2255))) engine=xengine;
ERROR 42000: Specified key was too long; max key length is 3072 bytes
SET sql_mode = @old_mode;
drop table t0;
#
# Fix assertion failure (attempt to overrun the key buffer) for prefix indexes
#
create table t1 (
pk int primary key,
col1 varchar(100),
key (col1(10))
) engine=xengine;
insert into t1 values (1, repeat('0123456789', 9));
drop table t1;
#
# Issue #76: Assertion `buf == table->record[0]' fails in virtual int ha_xengine::delete_row(const uchar*)
#
CREATE TABLE t1 (pk INT PRIMARY KEY, f1 INT) ENGINE=XEngine;
CREATE TABLE t2 (pk INT PRIMARY KEY, f1 INT) ENGINE=XEngine;
CREATE TRIGGER tr AFTER DELETE ON t1 FOR EACH ROW DELETE FROM t2 WHERE pk = old.pk;
INSERT INTO t1 VALUES (1,1);
REPLACE INTO t1 VALUES (1,2);
SELECT * FROM t1;
pk	f1
1	2
DROP TABLE t1, t2;
#
# Issue #99: UPDATE for table with VARCHAR pk gives "Can't find record" error
#
create table t1(a int primary key);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t2 (
a varchar(32) primary key,
col1 int
) engine=xengine;
insert into t2
select concat('v-', 100 + A.a*100 + B.a), 12345 from t1 A, t1 B;
update t2 set a=concat('x-', a) where a between 'v-1002' and 'v-1004';
drop table t1,t2;
#
# Issue #131: Assertion `v->cfd_->internal_comparator().Compare(start, end) <= 0' failed
#
CREATE TABLE t2(c1 INTEGER UNSIGNED NOT NULL,
c2 INTEGER NULL,
c3 TINYINT,
c4 SMALLINT,
c5 MEDIUMINT,
c6 INT,
c7 BIGINT,
PRIMARY KEY(c1,c6)) ENGINE=XEngine charset latin1;
INSERT INTO t2 VALUES (1,1,1,1,1,1,1);
SELECT * FROM t2 WHERE c1 > 4294967295 ORDER BY c1,c6;
c1	c2	c3	c4	c5	c6	c7
EXPLAIN SELECT * FROM t2 WHERE c1 > 4294967295 ORDER BY c1,c6;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
Warnings:
Note	1003	/* select#1 */ select `test`.`t2`.`c1` AS `c1`,`test`.`t2`.`c2` AS `c2`,`test`.`t2`.`c3` AS `c3`,`test`.`t2`.`c4` AS `c4`,`test`.`t2`.`c5` AS `c5`,`test`.`t2`.`c6` AS `c6`,`test`.`t2`.`c7` AS `c7` from `test`.`t2` where false order by `test`.`t2`.`c1`,`test`.`t2`.`c6`
drop table t2;
#
# Issue #135: register transaction was not being called for statement
#
DROP DATABASE IF EXISTS test_db;
CREATE DATABASE test_db;
CREATE TABLE test_db.t1(c1 INT PRIMARY KEY);
LOCK TABLES test_db.t1 READ;
SET AUTOCOMMIT=0;
SELECT c1 FROM test_db.t1;
c1
START TRANSACTION WITH CONSISTENT SNAPSHOT, READ ONLY;
DROP DATABASE test_db;
#
# Issue #143: Split xengine_bulk_load option into two
#
CREATE TABLE t1 (id int primary key, value int) engine=XEngine;
SET unique_checks=0;
INSERT INTO t1 VALUES(1, 1);
INSERT INTO t1 VALUES(1, 2);
INSERT INTO t1 VALUES(1, 3);
SELECT * FROM t1;
id	value
REPLACE INTO t1 VALUES(4, 4);
ERROR HY000: When unique checking is disabled in XEngine, INSERT,UPDATE,LOAD statements with clauses that update or replace the key (i.e. INSERT ON DUPLICATE KEY UPDATE, REPLACE) are not allowed. Query: REPLACE INTO t1 VALUES(4, 4)
INSERT INTO t1 VALUES(5, 5) ON DUPLICATE KEY UPDATE value=value+1;
ERROR HY000: When unique checking is disabled in XEngine, INSERT,UPDATE,LOAD statements with clauses that update or replace the key (i.e. INSERT ON DUPLICATE KEY UPDATE, REPLACE) are not allowed. Query: INSERT INTO t1 VALUES(5, 5) ON DUPLICATE KEY UPDATE value=value+1
TRUNCATE TABLE t1;
SET unique_checks=1;
BEGIN;
INSERT INTO t1 (id) VALUES(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),
(11),(12),(13),(14),(15),(16),(17),(18),(19);
ROLLBACK;
SELECT * FROM t1;
id	value
INSERT INTO t1 (id) VALUES (11),(12),(13),(14),(15);
BEGIN;
UPDATE t1 SET value=100;
ROLLBACK;
SELECT * FROM t1;
id	value
11	NULL
12	NULL
13	NULL
14	NULL
15	NULL
BEGIN;
DELETE FROM t1;
ROLLBACK;
SELECT * FROM t1;
id	value
11	NULL
12	NULL
13	NULL
14	NULL
15	NULL
DROP TABLE t1;
#
# Issue #185 Assertion `BaseValid()' failed in void xengine::BaseDeltaIterator::Advance()
#
CREATE TABLE t2(id INT NOT NULL PRIMARY KEY, data INT) Engine=MEMORY;
INSERT INTO t2 VALUES (100,NULL),(150,"long varchar"),(200,"varchar"),(250,"long long long varchar");
Warnings:
Warning	1366	Incorrect integer value: 'long varchar' for column 'data' at row 2
Warning	1366	Incorrect integer value: 'varchar' for column 'data' at row 3
Warning	1366	Incorrect integer value: 'long long long varchar' for column 'data' at row 4
create TABLE t1 (a int not null, b int not null, primary key(a,b));
INSERT INTO t1  VALUES (1,1);
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4));
a
1
1
1
1
DROP TABLE t1, t2;
#
# Issue #189 ha_xengine::load_auto_incr_value() creates implicit snapshot and doesn't release
#
create table r1 (id int auto_increment primary key, value int);
insert into r1 (id) values (null), (null), (null), (null), (null);
create table r2 like r1;
show create table r2;
Table	Create Table
r2	CREATE TABLE `r2` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `value` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
begin;
insert into r1 values (10, 1);
commit;
begin;
select * from r1;
id	value
1	NULL
2	NULL
3	NULL
4	NULL
5	NULL
10	1
commit;
drop table r1, r2;
create table r1 (id int auto_increment, value int, index i(id));
insert into r1 (id) values (null), (null), (null), (null), (null);
create table r2 like r1;
show create table r2;
Table	Create Table
r2	CREATE TABLE `r2` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `value` int(11) DEFAULT NULL,
  KEY `i` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
begin;
insert into r1 values (10, 1);
commit;
begin;
select * from r1;
id	value
1	NULL
2	NULL
3	NULL
4	NULL
5	NULL
10	1
commit;
drop table r1, r2;
#
# Issue#211 Crash on LOCK TABLES + START TRANSACTION WITH CONSISTENT SNAPSHOT
#
CREATE TABLE t1(c1 INT);
lock TABLE t1 read local;
SELECT 1 FROM t1 GROUP BY TRIM(LEADING RAND()FROM'');
1
set AUTOCOMMIT=0;
start transaction with consistent snapshot;
SELECT * FROM t1;
c1
COMMIT;
UNLOCK TABLES;
DROP TABLE t1;
#
# Issue#213 Crash on LOCK TABLES + partitions
#
CREATE TABLE t1(a BIGINT,b BIGINT,KEY (b), PRIMARY KEY(a)) engine=xengine PARTITION BY HASH(a) PARTITIONS 2;
ERROR 42000: Create partitioned table is not supported yet in xengine.
CREATE TABLE t1(a BIGINT,b BIGINT,KEY (b), PRIMARY KEY(a)) engine=xengine;
INSERT INTO t1(a)VALUES (20010101101010.999949);
lock tables t1 write,t1 as t0 write,t1 as t2 write;
SELECT a FROM t1 ORDER BY a;
a
20010101101011
truncate t1;
INSERT INTO t1 VALUES(X'042000200020',X'042000200020'),(X'200400200020',X'200400200020');
UNLOCK TABLES;
DROP TABLE t1;
#
# Issue#250: MyX/Innodb different output from query with order by on table with index and decimal type
#  (the test was changed to use VARCHAR, because DECIMAL now supports index-only, and this issue
#   needs a datype that doesn't support index-inly)
#
CREATE TABLE t1(
c1 varchar(10) character set utf8 collate utf8_general_ci NOT NULL,
c2 varchar(10) character set utf8 collate utf8_general_ci,
c3 INT,
INDEX idx(c1,c2)
);
Warnings:
Warning	3719	'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
Warning	3778	'utf8_general_ci' is a collation of the deprecated character set UTF8MB3. Please consider using UTF8MB4 with an appropriate collation instead.
Warning	3719	'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
Warning	3778	'utf8_general_ci' is a collation of the deprecated character set UTF8MB3. Please consider using UTF8MB4 with an appropriate collation instead.
INSERT INTO t1 VALUES ('c1-val1','c2-val1',5);
INSERT INTO t1 VALUES ('c1-val2','c2-val3',6);
INSERT INTO t1 VALUES ('c1-val3','c2-val3',7);
SELECT * FROM t1 force index(idx) WHERE c1 <> 'c1-val2' ORDER BY c1 DESC;
c1	c2	c3
c1-val3	c2-val3	7
c1-val1	c2-val1	5
explain SELECT * FROM t1  force index(idx) WHERE c1 <> '1' ORDER BY c1 DESC;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	range	idx	idx	32	NULL	#	100.00	Using index condition; Backward index scan
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`c1` AS `c1`,`test`.`t1`.`c2` AS `c2`,`test`.`t1`.`c3` AS `c3` from `test`.`t1` FORCE INDEX (`idx`) where (`test`.`t1`.`c1` <> '1') order by `test`.`t1`.`c1` desc
drop table t1;
#
# Issue#267: MyX issue with no matching min/max row and count(*)
#
CREATE TABLE t1(c1 INT UNSIGNED, c2 INT SIGNED, INDEX idx2(c2));
INSERT INTO t1 VALUES(1,null);
INSERT INTO t1 VALUES(2,null);
SELECT count(*) as total_rows, min(c2) as min_value FROM t1;
total_rows	min_value
2	NULL
DROP TABLE t1;
#
# Issue#263: MyX auto_increment skips values if you insert a negative value
#
CREATE TABLE t1(a INT AUTO_INCREMENT KEY) engine=xengine;
INSERT INTO t1 VALUES(0),(-1),(0);
ANALYZE TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
SHOW TABLE STATUS LIKE 't1';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
t1	XENGINE	10	Fixed	#	#	#	0	0	0	3	#	#	#	utf8mb4_general_ci	NULL		
SELECT * FROM t1;
a
-1
1
2
DROP TABLE t1;
CREATE TABLE t1(a INT AUTO_INCREMENT KEY) engine=xengine;
INSERT INTO t1 VALUES(0),(10),(0);
ANALYZE TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
SHOW TABLE STATUS LIKE 't1';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
t1	XENGINE	10	Fixed	#	#	#	0	0	0	12	#	#	#	utf8mb4_general_ci	NULL		
SELECT * FROM t1;
a
1
10
11
DROP TABLE t1;
#
# Issue #411: Setting xengine_commit_in_the_middle commits transaction
# without releasing iterator
#
CREATE TABLE t1 (id1 bigint(20),
id2 bigint(20),
id3 bigint(20),
PRIMARY KEY (id1, id2, id3))
DEFAULT CHARSET=latin1;
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
CREATE TABLE t2 (id1 bigint(20),
id2 bigint(20),
PRIMARY KEY (id1, id2))
DEFAULT CHARSET=latin1;
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
DELETE t2, t1 FROM t2 LEFT JOIN t1 ON t2.id2 = t1.id2 AND t2.id1 = t1.id1 WHERE t2.id1 = 0;
DROP TABLE t1, t2;
SET GLOBAL XENGINE_PAUSE_BACKGROUND_WORK = @ORIG_PAUSE_BACKGROUND_WORK;