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cleanup: tests

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sequence tests verify that one cannot change the structure
of the table. for that they need a valid alter table that
adds an index over an existing column. there's no column 'start'
in the table
This commit is contained in:
Sergei Golubchik
2022-07-29 12:39:37 +02:00
committed by Oleksandr Byelkin
parent 1c192843f2
commit 4ce1470a70
7 changed files with 101 additions and 76 deletions
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50
mysql-test/main/null.result
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@ -1,4 +1,6 @@
drop table if exists t1, t2;
#
# Testing of NULL in a lot of different places
#
select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
NULL NULL isnull(null) isnull(1/0) isnull(1/0 = null) ifnull(null,1) ifnull(null,"TRUE") ifnull("TRUE","ERROR") 1/0 is null 1 is not null
NULL NULL 1 1 1 1 TRUE TRUE 1 1
@ -62,6 +64,9 @@ insert into t1 values (null);
select * from t1 where x != 0;
x
drop table t1;
#
# Test problem med index on NULL columns and testing with =NULL;
#
CREATE TABLE t1 (
indexed_field int default NULL,
KEY indexed_field (indexed_field)
@ -78,6 +83,9 @@ indexed_field
NULL
NULL
DROP TABLE t1;
#
# Testing of IFNULL
#
create table t1 (a int, b int) engine=myisam;
insert into t1 values(20,null);
select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on
@ -95,6 +103,9 @@ b ifnull(t2.b,"this is null")
NULL this is null
NULL this is null
drop table t1;
#
# Test inserting and updating with NULL
#
CREATE TABLE t1 (a varchar(16) NOT NULL default '', b smallint(6) NOT NULL default 0, c datetime NOT NULL default '0000-00-00 00:00:00', d smallint(6) NOT NULL default 0);
INSERT IGNORE INTO t1 SET a = "", d= "2003-01-14 03:54:55";
Warnings:
@ -149,6 +160,10 @@ a b c d
0 0000-00-00 00:00:00 0
0 0000-00-00 00:00:00 0
drop table t1;
#
# Test to check elimination of IS NULL predicate for a non-nullable attribute
# (bug #1990)
#
create table t1 (a int not null, b int not null, index idx(a));
insert into t1 values
(1,1), (2,2), (3,3), (4,4), (5,5), (6,6),
@ -163,6 +178,10 @@ drop table t1;
select cast(NULL as signed);
cast(NULL as signed)
NULL
#
# IS NULL is unable to use index in range if column is declared not null
# (Bug #4256)
#
create table t1(i int, key(i));
insert into t1 values(1);
insert into t1 select i*2 from t1;
@ -192,6 +211,11 @@ select count(*) from t1 where i=2 or i is null;
count(*)
9
drop table t1;
#
# NULL has its own type BINARY(0) by default.
# But NULL should be weaker than a constant
# when mixing charsets/collations
#
set names latin2;
create table t1 select
null as c00,
@ -275,6 +299,11 @@ t1 CREATE TABLE `t1` (
`c38` varchar(10) CHARACTER SET latin2 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
#
# Check that comparison is done according to
# non-null string collation, i.e. case insensitively,
# rather than according to NULL's collation, i.e. case sensitively
#
select
case 'str' when 'STR' then 'str' when null then 'null' end as c01,
case 'str' when null then 'null' when 'STR' then 'str' end as c02,
@ -286,10 +315,13 @@ field('str1', null, 'STR1') as c05,
c01 c02 c03 c04 c05 c08 c09
str str 0 1 2 1 1
set names latin1;
create table bug19145a (e enum('a','b','c') default 'b' , s set('x', 'y', 'z') default 'y' ) engine=MyISAM;
create table bug19145b (e enum('a','b','c') default null, s set('x', 'y', 'z') default null) engine=MyISAM;
#
# Bug#19145: mysqld crashes if you set the default value of an enum field to NULL
#
create table bug19145a (e enum('a','b','c') default 'b' , s set('x', 'y', 'z') default 'y' ) engine=MyISAM;
create table bug19145b (e enum('a','b','c') default null, s set('x', 'y', 'z') default null) engine=MyISAM;
create table bug19145c (e enum('a','b','c') not null default 'b' , s set('x', 'y', 'z') not null default 'y' ) engine=MyISAM;
create table bug19145setnotnulldefaultnull (e enum('a','b','c') default null, s set('x', 'y', 'z') not null default null) engine=MyISAM;
create table bug19145setnotnulldefaultnull (e enum('a','b','c') default null, s set('x', 'y', 'z') not null default null) engine=MyISAM;
ERROR 42000: Invalid default value for 's'
create table bug19145enumnotnulldefaultnull (e enum('a','b','c') not null default null, s set('x', 'y', 'z') default null) engine=MyISAM;
ERROR 42000: Invalid default value for 'e'
@ -328,8 +360,10 @@ bug19145c CREATE TABLE `bug19145c` (
drop table bug19145a;
drop table bug19145b;
drop table bug19145c;
#
# End of 4.1 tests
#
#
# Bug #31471: decimal_bin_size: Assertion `scale >= 0 &&
# precision > 0 && scale <= precision'
#
@ -350,8 +384,10 @@ DESCRIBE t2;
Field Type Null Key Default Extra
IFNULL(NULL, b) decimal(1,0) YES NULL
DROP TABLE t1, t2;
#
# End of 5.0 tests
#
#
# MDEV-4895 Valgrind warnings (Conditional jump or move depends on uninitialised value) in Field_datetime::get_date on GREATEST(..) IS NULL
#
CREATE TABLE t1 (dt DATETIME NOT NULL);
@ -382,8 +418,7 @@ SELECT * FROM t1 WHERE NOT (concat( dt, '1' ) IS NOT NULL);
dt
DROP TABLE t1;
#
# Bug mdev-5132: crash when exeicuting a join query
# with IS NULL and IS NOT NULL in where
# MDEV-5132 crash when exeicuting a join query with IS NULL and IS NOT NULL in where
#
CREATE TABLE t1 (a DATE, b INT, c INT, KEY(a), KEY(b), KEY(c)) ENGINE=MyISAM;
CREATE TABLE t2 (d DATE) ENGINE=MyISAM;
@ -391,9 +426,6 @@ SELECT * FROM t1,t2 WHERE 1 IS NOT NULL AND t1.b IS NULL;
a b c d
DROP TABLE t1,t2;
#
# Start of 10.0 tests
#
#
# MDEV-7001 Bad result for NOT NOT STRCMP('a','b') and NOT NOT NULLIF(2,3)
#
SELECT NOT NOT NULLIF(2,3);