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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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113
mysql-test/main/null.test
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@ -1,11 +1,6 @@
# Initialise
--disable_warnings
drop table if exists t1, t2;
--enable_warnings
#
# Testing of NULL in a lot of different places
#
--echo #
--echo # Testing of NULL in a lot of different places
--echo #
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;
explain extended 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;
@ -29,9 +24,9 @@ insert into t1 values (null);
select * from t1 where x != 0;
drop table t1;
#
# Test problem med index on NULL columns and testing with =NULL;
#
--echo #
--echo # Test problem med index on NULL columns and testing with =NULL;
--echo #
CREATE TABLE t1 (
indexed_field int default NULL,
@ -43,9 +38,9 @@ SELECT * FROM t1 WHERE indexed_field IS NULL;
SELECT * FROM t1 WHERE indexed_field<=>NULL;
DROP TABLE t1;
#
# Testing of IFNULL
#
--echo #
--echo # Testing of IFNULL
--echo #
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
@ -57,40 +52,40 @@ select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on
t2.b=t3.a order by 1;
drop table t1;
#
# Test inserting and updating with NULL
#
--echo #
--echo # Test inserting and updating with NULL
--echo #
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";
UPDATE IGNORE t1 SET d=1/NULL;
UPDATE IGNORE t1 SET d=NULL;
--error 1048
--error ER_BAD_NULL_ERROR
INSERT INTO t1 (a) values (null);
--error 1048
--error ER_BAD_NULL_ERROR
INSERT INTO t1 (a) values (1/null);
INSERT IGNORE INTO t1 (a) values (null),(null);
--error 1048
--error ER_BAD_NULL_ERROR
INSERT INTO t1 (b) values (null);
--error 1048
--error ER_BAD_NULL_ERROR
INSERT INTO t1 (b) values (1/null);
INSERT IGNORE INTO t1 (b) values (null),(null);
--error 1048
--error ER_BAD_NULL_ERROR
INSERT INTO t1 (c) values (null);
--error 1048
--error ER_BAD_NULL_ERROR
INSERT INTO t1 (c) values (1/null);
INSERT IGNORE INTO t1 (c) values (null),(null);
--error 1048
--error ER_BAD_NULL_ERROR
INSERT INTO t1 (d) values (null);
--error 1048
--error ER_BAD_NULL_ERROR
INSERT INTO t1 (d) values (1/null);
INSERT IGNORE INTO t1 (d) values (null),(null);
select * from t1;
drop table t1;
#
# Test to check elimination of IS NULL predicate for a non-nullable attribute
# (bug #1990)
#
--echo #
--echo # Test to check elimination of IS NULL predicate for a non-nullable attribute
--echo # (bug #1990)
--echo #
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),
@ -100,10 +95,10 @@ explain select * from t1 where a between 2 and 3 or b is null;
drop table t1;
select cast(NULL as signed);
#
# IS NULL is unable to use index in range if column is declared not null
# (Bug #4256)
#
--echo #
--echo # IS NULL is unable to use index in range if column is declared not null
--echo # (Bug #4256)
--echo #
create table t1(i int, key(i));
insert into t1 values(1);
insert into t1 select i*2 from t1;
@ -124,11 +119,11 @@ explain select * from t1 where i=2 or i is null;
select count(*) from t1 where i=2 or i is null;
drop table t1;
#
# NULL has its own type BINARY(0) by default.
# But NULL should be weaker than a constant
# when mixing charsets/collations
#
--echo #
--echo # NULL has its own type BINARY(0) by default.
--echo # But NULL should be weaker than a constant
--echo # when mixing charsets/collations
--echo #
set names latin2;
# Check that result type is taken from a non-null string
create table t1 select
@ -174,11 +169,11 @@ create table t1 select
show create table t1;
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
#
--echo #
--echo # Check that comparison is done according to
--echo # non-null string collation, i.e. case insensitively,
--echo # rather than according to NULL's collation, i.e. case sensitively
--echo #
# in field
select
case 'str' when 'STR' then 'str' when null then 'null' end as c01,
@ -192,20 +187,20 @@ select
# Restore charset to the default value.
set names latin1;
#
# 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;
--echo #
--echo # Bug#19145: mysqld crashes if you set the default value of an enum field to NULL
--echo #
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;
# Invalid default value for 's'
--error 1067
create table bug19145setnotnulldefaultnull (e enum('a','b','c') default null, s set('x', 'y', 'z') not null default null) engine=MyISAM;
--error ER_INVALID_DEFAULT
create table bug19145setnotnulldefaultnull (e enum('a','b','c') default null, s set('x', 'y', 'z') not null default null) engine=MyISAM;
# Invalid default value for 'e'
--error 1067
--error ER_INVALID_DEFAULT
create table bug19145enumnotnulldefaultnull (e enum('a','b','c') not null default null, s set('x', 'y', 'z') default null) engine=MyISAM;
alter table bug19145a alter column e set default null;
@ -217,11 +212,11 @@ alter table bug19145b alter column s set default null;
alter table bug19145b add column (i int);
# Invalid default value for 'e'
--error 1067
--error ER_INVALID_DEFAULT
alter table bug19145c alter column e set default null;
# Invalid default value for 's'
--error 1067
--error ER_INVALID_DEFAULT
alter table bug19145c alter column s set default null;
alter table bug19145c add column (i int);
@ -233,7 +228,9 @@ drop table bug19145a;
drop table bug19145b;
drop table bug19145c;
--echo #
--echo # End of 4.1 tests
--echo #
--echo #
--echo # Bug #31471: decimal_bin_size: Assertion `scale >= 0 &&
@ -256,7 +253,9 @@ DESCRIBE t2;
DROP TABLE t1, t2;
--echo #
--echo # End of 5.0 tests
--echo #
--echo #
--echo # MDEV-4895 Valgrind warnings (Conditional jump or move depends on uninitialised value) in Field_datetime::get_date on GREATEST(..) IS NULL
@ -287,8 +286,7 @@ SELECT * FROM t1 WHERE NOT (concat( dt, '1' ) IS NOT NULL);
DROP TABLE t1;
--echo #
--echo # Bug mdev-5132: crash when exeicuting a join query
--echo # with IS NULL and IS NOT NULL in where
--echo # MDEV-5132 crash when exeicuting a join query with IS NULL and IS NOT NULL in where
--echo #
CREATE TABLE t1 (a DATE, b INT, c INT, KEY(a), KEY(b), KEY(c)) ENGINE=MyISAM;
@ -298,10 +296,6 @@ SELECT * FROM t1,t2 WHERE 1 IS NOT NULL AND t1.b IS NULL;
DROP TABLE t1,t2;
--echo #
--echo # Start of 10.0 tests
--echo #
--echo #
--echo # MDEV-7001 Bad result for NOT NOT STRCMP('a','b') and NOT NOT NULLIF(2,3)
--echo #
@ -1177,7 +1171,6 @@ SELECT * FROM t1 WHERE ((c1 IS NOT NULL) >= (NOT TRUE)) IS NOT NULL;
SELECT * FROM t1 WHERE ((c1 IS NOT NULL) >= (NOT TRUE)) IS NOT NULL;
DROP TABLE t1;
--echo #
--echo # End of 10.1 tests
--echo #