mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 12:02:42 +01:00
Move innodb dependent tests to func_group_innodb
This commit is contained in:
msvensson@neptunus.(none)
parent
88b330e57f
commit
6202cd0f6e
4 changed files with 243 additions and 223 deletions
|
|
@ -653,15 +653,6 @@ id select_type table type possible_keys key key_len ref rows Extra
|
|||
1 SIMPLE t2 range k2 k2 4 NULL 6 Using where; Using index
|
||||
1 SIMPLE t1 index NULL PRIMARY 3 NULL 15 Using index
|
||||
drop table t1, t2;
|
||||
create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
|
||||
insert into t1 values (1, 3);
|
||||
select count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ from t1 group by MAX_REQ;
|
||||
count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ
|
||||
1
|
||||
select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
|
||||
Case When Count(*) < MAX_REQ Then 1 Else 0 End
|
||||
1
|
||||
drop table t1;
|
||||
create table t1 (a char(10));
|
||||
insert into t1 values ('a'),('b'),('c');
|
||||
select coercibility(max(a)) from t1;
|
||||
|
|
@ -821,144 +812,6 @@ SELECT MAX(id) FROM t1 WHERE id < 3 AND a=2 AND b=6;
|
|||
MAX(id)
|
||||
NULL
|
||||
DROP TABLE t1;
|
||||
create table t1m (a int) engine=myisam;
|
||||
create table t1i (a int) engine=innodb;
|
||||
create table t2m (a int) engine=myisam;
|
||||
create table t2i (a int) engine=innodb;
|
||||
insert into t2m values (5);
|
||||
insert into t2i values (5);
|
||||
select min(a) from t1m;
|
||||
min(a)
|
||||
NULL
|
||||
select min(7) from t1m;
|
||||
min(7)
|
||||
NULL
|
||||
select min(7) from DUAL;
|
||||
min(7)
|
||||
NULL
|
||||
explain select min(7) from t2m join t1m;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
|
||||
select min(7) from t2m join t1m;
|
||||
min(7)
|
||||
NULL
|
||||
select max(a) from t1m;
|
||||
max(a)
|
||||
NULL
|
||||
select max(7) from t1m;
|
||||
max(7)
|
||||
NULL
|
||||
select max(7) from DUAL;
|
||||
max(7)
|
||||
NULL
|
||||
explain select max(7) from t2m join t1m;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
|
||||
select max(7) from t2m join t1m;
|
||||
max(7)
|
||||
NULL
|
||||
select 1, min(a) from t1m where a=99;
|
||||
1 min(a)
|
||||
1 NULL
|
||||
select 1, min(a) from t1m where 1=99;
|
||||
1 min(a)
|
||||
1 NULL
|
||||
select 1, min(1) from t1m where a=99;
|
||||
1 min(1)
|
||||
1 NULL
|
||||
select 1, min(1) from t1m where 1=99;
|
||||
1 min(1)
|
||||
1 NULL
|
||||
select 1, max(a) from t1m where a=99;
|
||||
1 max(a)
|
||||
1 NULL
|
||||
select 1, max(a) from t1m where 1=99;
|
||||
1 max(a)
|
||||
1 NULL
|
||||
select 1, max(1) from t1m where a=99;
|
||||
1 max(1)
|
||||
1 NULL
|
||||
select 1, max(1) from t1m where 1=99;
|
||||
1 max(1)
|
||||
1 NULL
|
||||
select min(a) from t1i;
|
||||
min(a)
|
||||
NULL
|
||||
select min(7) from t1i;
|
||||
min(7)
|
||||
NULL
|
||||
select min(7) from DUAL;
|
||||
min(7)
|
||||
NULL
|
||||
explain select min(7) from t2i join t1i;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
|
||||
1 SIMPLE t1i ALL NULL NULL NULL NULL 1
|
||||
select min(7) from t2i join t1i;
|
||||
min(7)
|
||||
NULL
|
||||
select max(a) from t1i;
|
||||
max(a)
|
||||
NULL
|
||||
select max(7) from t1i;
|
||||
max(7)
|
||||
NULL
|
||||
select max(7) from DUAL;
|
||||
max(7)
|
||||
NULL
|
||||
explain select max(7) from t2i join t1i;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
|
||||
1 SIMPLE t1i ALL NULL NULL NULL NULL 1
|
||||
select max(7) from t2i join t1i;
|
||||
max(7)
|
||||
NULL
|
||||
select 1, min(a) from t1i where a=99;
|
||||
1 min(a)
|
||||
1 NULL
|
||||
select 1, min(a) from t1i where 1=99;
|
||||
1 min(a)
|
||||
1 NULL
|
||||
select 1, min(1) from t1i where a=99;
|
||||
1 min(1)
|
||||
1 NULL
|
||||
select 1, min(1) from t1i where 1=99;
|
||||
1 min(1)
|
||||
1 NULL
|
||||
select 1, max(a) from t1i where a=99;
|
||||
1 max(a)
|
||||
1 NULL
|
||||
select 1, max(a) from t1i where 1=99;
|
||||
1 max(a)
|
||||
1 NULL
|
||||
select 1, max(1) from t1i where a=99;
|
||||
1 max(1)
|
||||
1 NULL
|
||||
select 1, max(1) from t1i where 1=99;
|
||||
1 max(1)
|
||||
1 NULL
|
||||
explain select count(*), min(7), max(7) from t1m, t1i;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1m system NULL NULL NULL NULL 0 const row not found
|
||||
1 SIMPLE t1i ALL NULL NULL NULL NULL 1
|
||||
select count(*), min(7), max(7) from t1m, t1i;
|
||||
count(*) min(7) max(7)
|
||||
0 NULL NULL
|
||||
explain select count(*), min(7), max(7) from t1m, t2i;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1m system NULL NULL NULL NULL 0 const row not found
|
||||
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
|
||||
select count(*), min(7), max(7) from t1m, t2i;
|
||||
count(*) min(7) max(7)
|
||||
0 NULL NULL
|
||||
explain select count(*), min(7), max(7) from t2m, t1i;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2m system NULL NULL NULL NULL 1
|
||||
1 SIMPLE t1i ALL NULL NULL NULL NULL 1
|
||||
select count(*), min(7), max(7) from t2m, t1i;
|
||||
count(*) min(7) max(7)
|
||||
0 NULL NULL
|
||||
drop table t1m, t1i, t2m, t2i;
|
||||
create table t2 (ff double);
|
||||
insert into t2 values (2.2);
|
||||
select cast(sum(distinct ff) as decimal(5,2)) from t2;
|
||||
|
|
|
|||
147
mysql-test/r/func_group_innodb.result
Normal file
147
mysql-test/r/func_group_innodb.result
Normal file
|
|
@ -0,0 +1,147 @@
|
|||
create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
|
||||
insert into t1 values (1, 3);
|
||||
select count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ from t1 group by MAX_REQ;
|
||||
count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ
|
||||
1
|
||||
select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
|
||||
Case When Count(*) < MAX_REQ Then 1 Else 0 End
|
||||
1
|
||||
drop table t1;
|
||||
create table t1m (a int) engine=myisam;
|
||||
create table t1i (a int) engine=innodb;
|
||||
create table t2m (a int) engine=myisam;
|
||||
create table t2i (a int) engine=innodb;
|
||||
insert into t2m values (5);
|
||||
insert into t2i values (5);
|
||||
select min(a) from t1m;
|
||||
min(a)
|
||||
NULL
|
||||
select min(7) from t1m;
|
||||
min(7)
|
||||
NULL
|
||||
select min(7) from DUAL;
|
||||
min(7)
|
||||
NULL
|
||||
explain select min(7) from t2m join t1m;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
|
||||
select min(7) from t2m join t1m;
|
||||
min(7)
|
||||
NULL
|
||||
select max(a) from t1m;
|
||||
max(a)
|
||||
NULL
|
||||
select max(7) from t1m;
|
||||
max(7)
|
||||
NULL
|
||||
select max(7) from DUAL;
|
||||
max(7)
|
||||
NULL
|
||||
explain select max(7) from t2m join t1m;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
|
||||
select max(7) from t2m join t1m;
|
||||
max(7)
|
||||
NULL
|
||||
select 1, min(a) from t1m where a=99;
|
||||
1 min(a)
|
||||
1 NULL
|
||||
select 1, min(a) from t1m where 1=99;
|
||||
1 min(a)
|
||||
1 NULL
|
||||
select 1, min(1) from t1m where a=99;
|
||||
1 min(1)
|
||||
1 NULL
|
||||
select 1, min(1) from t1m where 1=99;
|
||||
1 min(1)
|
||||
1 NULL
|
||||
select 1, max(a) from t1m where a=99;
|
||||
1 max(a)
|
||||
1 NULL
|
||||
select 1, max(a) from t1m where 1=99;
|
||||
1 max(a)
|
||||
1 NULL
|
||||
select 1, max(1) from t1m where a=99;
|
||||
1 max(1)
|
||||
1 NULL
|
||||
select 1, max(1) from t1m where 1=99;
|
||||
1 max(1)
|
||||
1 NULL
|
||||
select min(a) from t1i;
|
||||
min(a)
|
||||
NULL
|
||||
select min(7) from t1i;
|
||||
min(7)
|
||||
NULL
|
||||
select min(7) from DUAL;
|
||||
min(7)
|
||||
NULL
|
||||
explain select min(7) from t2i join t1i;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
|
||||
1 SIMPLE t1i ALL NULL NULL NULL NULL 1
|
||||
select min(7) from t2i join t1i;
|
||||
min(7)
|
||||
NULL
|
||||
select max(a) from t1i;
|
||||
max(a)
|
||||
NULL
|
||||
select max(7) from t1i;
|
||||
max(7)
|
||||
NULL
|
||||
select max(7) from DUAL;
|
||||
max(7)
|
||||
NULL
|
||||
explain select max(7) from t2i join t1i;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
|
||||
1 SIMPLE t1i ALL NULL NULL NULL NULL 1
|
||||
select max(7) from t2i join t1i;
|
||||
max(7)
|
||||
NULL
|
||||
select 1, min(a) from t1i where a=99;
|
||||
1 min(a)
|
||||
1 NULL
|
||||
select 1, min(a) from t1i where 1=99;
|
||||
1 min(a)
|
||||
1 NULL
|
||||
select 1, min(1) from t1i where a=99;
|
||||
1 min(1)
|
||||
1 NULL
|
||||
select 1, min(1) from t1i where 1=99;
|
||||
1 min(1)
|
||||
1 NULL
|
||||
select 1, max(a) from t1i where a=99;
|
||||
1 max(a)
|
||||
1 NULL
|
||||
select 1, max(a) from t1i where 1=99;
|
||||
1 max(a)
|
||||
1 NULL
|
||||
select 1, max(1) from t1i where a=99;
|
||||
1 max(1)
|
||||
1 NULL
|
||||
select 1, max(1) from t1i where 1=99;
|
||||
1 max(1)
|
||||
1 NULL
|
||||
explain select count(*), min(7), max(7) from t1m, t1i;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1m system NULL NULL NULL NULL 0 const row not found
|
||||
1 SIMPLE t1i ALL NULL NULL NULL NULL 1
|
||||
select count(*), min(7), max(7) from t1m, t1i;
|
||||
count(*) min(7) max(7)
|
||||
0 NULL NULL
|
||||
explain select count(*), min(7), max(7) from t1m, t2i;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1m system NULL NULL NULL NULL 0 const row not found
|
||||
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
|
||||
select count(*), min(7), max(7) from t1m, t2i;
|
||||
count(*) min(7) max(7)
|
||||
0 NULL NULL
|
||||
explain select count(*), min(7), max(7) from t2m, t1i;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2m system NULL NULL NULL NULL 1
|
||||
1 SIMPLE t1i ALL NULL NULL NULL NULL 1
|
||||
select count(*), min(7), max(7) from t2m, t1i;
|
||||
count(*) min(7) max(7)
|
||||
0 NULL NULL
|
||||
drop table t1m, t1i, t2m, t2i;
|
||||
|
|
@ -2,8 +2,6 @@
|
|||
# simple test of all group functions
|
||||
#
|
||||
|
||||
--source include/have_innodb.inc
|
||||
|
||||
--disable_warnings
|
||||
drop table if exists t1,t2;
|
||||
--enable_warnings
|
||||
|
|
@ -380,13 +378,15 @@ explain
|
|||
select concat(min(t1.a1),min(t2.a4)) from t1, t2 where t2.a4 <> 'AME';
|
||||
drop table t1, t2;
|
||||
|
||||
--disable_warnings
|
||||
create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
|
||||
--enable_warnings
|
||||
insert into t1 values (1, 3);
|
||||
select count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ from t1 group by MAX_REQ;
|
||||
select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
|
||||
drop table t1;
|
||||
# Moved to func_group_innodb
|
||||
#--disable_warnings
|
||||
#create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
|
||||
#--enable_warnings
|
||||
#insert into t1 values (1, 3);
|
||||
#select count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ from t1 group by MAX_REQ;
|
||||
#select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
|
||||
#drop table t1;
|
||||
|
||||
|
||||
create table t1 (a char(10));
|
||||
insert into t1 values ('a'),('b'),('c');
|
||||
|
|
@ -541,76 +541,11 @@ INSERT INTO t1 VALUES
|
|||
SELECT MAX(id) FROM t1 WHERE id < 3 AND a=2 AND b=6;
|
||||
DROP TABLE t1;
|
||||
|
||||
|
||||
#
|
||||
# Bug #12882 min/max inconsistent on empty table
|
||||
#
|
||||
|
||||
--disable_warnings
|
||||
create table t1m (a int) engine=myisam;
|
||||
create table t1i (a int) engine=innodb;
|
||||
create table t2m (a int) engine=myisam;
|
||||
create table t2i (a int) engine=innodb;
|
||||
--enable_warnings
|
||||
insert into t2m values (5);
|
||||
insert into t2i values (5);
|
||||
|
||||
# test with MyISAM
|
||||
select min(a) from t1m;
|
||||
select min(7) from t1m;
|
||||
select min(7) from DUAL;
|
||||
explain select min(7) from t2m join t1m;
|
||||
select min(7) from t2m join t1m;
|
||||
|
||||
select max(a) from t1m;
|
||||
select max(7) from t1m;
|
||||
select max(7) from DUAL;
|
||||
explain select max(7) from t2m join t1m;
|
||||
select max(7) from t2m join t1m;
|
||||
|
||||
select 1, min(a) from t1m where a=99;
|
||||
select 1, min(a) from t1m where 1=99;
|
||||
select 1, min(1) from t1m where a=99;
|
||||
select 1, min(1) from t1m where 1=99;
|
||||
|
||||
select 1, max(a) from t1m where a=99;
|
||||
select 1, max(a) from t1m where 1=99;
|
||||
select 1, max(1) from t1m where a=99;
|
||||
select 1, max(1) from t1m where 1=99;
|
||||
|
||||
# test with InnoDB
|
||||
select min(a) from t1i;
|
||||
select min(7) from t1i;
|
||||
select min(7) from DUAL;
|
||||
explain select min(7) from t2i join t1i;
|
||||
select min(7) from t2i join t1i;
|
||||
|
||||
select max(a) from t1i;
|
||||
select max(7) from t1i;
|
||||
select max(7) from DUAL;
|
||||
explain select max(7) from t2i join t1i;
|
||||
select max(7) from t2i join t1i;
|
||||
|
||||
select 1, min(a) from t1i where a=99;
|
||||
select 1, min(a) from t1i where 1=99;
|
||||
select 1, min(1) from t1i where a=99;
|
||||
select 1, min(1) from t1i where 1=99;
|
||||
|
||||
select 1, max(a) from t1i where a=99;
|
||||
select 1, max(a) from t1i where 1=99;
|
||||
select 1, max(1) from t1i where a=99;
|
||||
select 1, max(1) from t1i where 1=99;
|
||||
|
||||
# mixed MyISAM/InnoDB test
|
||||
explain select count(*), min(7), max(7) from t1m, t1i;
|
||||
select count(*), min(7), max(7) from t1m, t1i;
|
||||
|
||||
explain select count(*), min(7), max(7) from t1m, t2i;
|
||||
select count(*), min(7), max(7) from t1m, t2i;
|
||||
|
||||
explain select count(*), min(7), max(7) from t2m, t1i;
|
||||
select count(*), min(7), max(7) from t2m, t1i;
|
||||
|
||||
drop table t1m, t1i, t2m, t2i;
|
||||
# Test case moved to func_group_innodb
|
||||
|
||||
# End of 4.1 tests
|
||||
|
||||
|
|
|
|||
85
mysql-test/t/func_group_innodb.test
Normal file
85
mysql-test/t/func_group_innodb.test
Normal file
|
|
@ -0,0 +1,85 @@
|
|||
#
|
||||
# Test of group functions that depend on innodb
|
||||
#
|
||||
|
||||
--source include/have_innodb.inc
|
||||
|
||||
--disable_warnings
|
||||
create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
|
||||
--enable_warnings
|
||||
insert into t1 values (1, 3);
|
||||
select count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ from t1 group by MAX_REQ;
|
||||
select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
|
||||
drop table t1;
|
||||
|
||||
|
||||
#
|
||||
# Bug #12882 min/max inconsistent on empty table
|
||||
#
|
||||
|
||||
--disable_warnings
|
||||
create table t1m (a int) engine=myisam;
|
||||
create table t1i (a int) engine=innodb;
|
||||
create table t2m (a int) engine=myisam;
|
||||
create table t2i (a int) engine=innodb;
|
||||
--enable_warnings
|
||||
insert into t2m values (5);
|
||||
insert into t2i values (5);
|
||||
|
||||
# test with MyISAM
|
||||
select min(a) from t1m;
|
||||
select min(7) from t1m;
|
||||
select min(7) from DUAL;
|
||||
explain select min(7) from t2m join t1m;
|
||||
select min(7) from t2m join t1m;
|
||||
|
||||
select max(a) from t1m;
|
||||
select max(7) from t1m;
|
||||
select max(7) from DUAL;
|
||||
explain select max(7) from t2m join t1m;
|
||||
select max(7) from t2m join t1m;
|
||||
|
||||
select 1, min(a) from t1m where a=99;
|
||||
select 1, min(a) from t1m where 1=99;
|
||||
select 1, min(1) from t1m where a=99;
|
||||
select 1, min(1) from t1m where 1=99;
|
||||
|
||||
select 1, max(a) from t1m where a=99;
|
||||
select 1, max(a) from t1m where 1=99;
|
||||
select 1, max(1) from t1m where a=99;
|
||||
select 1, max(1) from t1m where 1=99;
|
||||
|
||||
# test with InnoDB
|
||||
select min(a) from t1i;
|
||||
select min(7) from t1i;
|
||||
select min(7) from DUAL;
|
||||
explain select min(7) from t2i join t1i;
|
||||
select min(7) from t2i join t1i;
|
||||
|
||||
select max(a) from t1i;
|
||||
select max(7) from t1i;
|
||||
select max(7) from DUAL;
|
||||
explain select max(7) from t2i join t1i;
|
||||
select max(7) from t2i join t1i;
|
||||
|
||||
select 1, min(a) from t1i where a=99;
|
||||
select 1, min(a) from t1i where 1=99;
|
||||
select 1, min(1) from t1i where a=99;
|
||||
select 1, min(1) from t1i where 1=99;
|
||||
|
||||
select 1, max(a) from t1i where a=99;
|
||||
select 1, max(a) from t1i where 1=99;
|
||||
select 1, max(1) from t1i where a=99;
|
||||
select 1, max(1) from t1i where 1=99;
|
||||
|
||||
# mixed MyISAM/InnoDB test
|
||||
explain select count(*), min(7), max(7) from t1m, t1i;
|
||||
select count(*), min(7), max(7) from t1m, t1i;
|
||||
|
||||
explain select count(*), min(7), max(7) from t1m, t2i;
|
||||
select count(*), min(7), max(7) from t1m, t2i;
|
||||
|
||||
explain select count(*), min(7), max(7) from t2m, t1i;
|
||||
select count(*), min(7), max(7) from t2m, t1i;
|
||||
|
||||
drop table t1m, t1i, t2m, t2i;
|
||||
Loading…
Reference in a new issue