diff options
Diffstat (limited to 'mysql-test/main/check_constraint.test')
-rw-r--r-- | mysql-test/main/check_constraint.test | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/mysql-test/main/check_constraint.test b/mysql-test/main/check_constraint.test new file mode 100644 index 00000000..a5abe32b --- /dev/null +++ b/mysql-test/main/check_constraint.test @@ -0,0 +1,249 @@ +# +# Check of check constraints + +set @save_check_constraint=@@check_constraint_checks; + +create table t1 (a int check(a>10), b int check (b > 20), constraint `min` check (a+b > 100), constraint `max` check (a+b <500)) engine=myisam; +show create table t1; +insert into t1 values (100,100); +--error ER_CONSTRAINT_FAILED +insert into t1 values (1,1); +--error ER_CONSTRAINT_FAILED +insert into t1 values (20,1); +--error ER_CONSTRAINT_FAILED +insert into t1 values (20,30); +--error ER_CONSTRAINT_FAILED +insert into t1 values (500,500); + +--error ER_CONSTRAINT_FAILED +insert into t1 values (101,101),(102,102),(600,600),(103,103); +select * from t1; +truncate table t1; +insert ignore into t1 values (101,101),(102,102),(600,600),(103,103); +select * from t1; +set check_constraint_checks=0; +truncate table t1; +insert into t1 values (101,101),(102,102),(600,600),(103,103); +select * from t1; +set check_constraint_checks=@save_check_constraint; + +--error ER_CONSTRAINT_FAILED +alter table t1 add c int default 0 check (c < 10); + +set check_constraint_checks=0; +alter table t1 add c int default 0 check (c < 10); +alter table t1 add check (a+b+c < 500); +set check_constraint_checks=@save_check_constraint; + +show create table t1; +--error ER_CONSTRAINT_FAILED +insert into t1 values(105,105,105); +--error ER_CONSTRAINT_FAILED +insert into t1 values(249,249,9); +insert into t1 values(105,105,9); +select * from t1; + +create table t2 like t1; +show create table t2; +--error ER_CANT_DROP_FIELD_OR_KEY +alter table t2 drop constraint c; +alter table t2 drop constraint if exists c; +alter table t2 drop constraint min; +show create table t2; + +drop table t1,t2; + +# +# check constraint name auto-generation: +# +create or replace table t1 (a int, b int, constraint check (a>b)); +show create table t1; +create or replace table t1 (a int, b int, + constraint CONSTRAINT_1 check (a>1), + constraint check (b>1)); +show create table t1; +create or replace table t1 (a int, b int, + constraint CONSTRAINT_1 check (a>1), + constraint check (b>1), + constraint CONSTRAINT_2 check (a>b)); +show create table t1; +drop table t1; + +# +# MDEV-10370 Check constraints on virtual columns fails on INSERT when column not specified +# +create table t1(c1 int, c2 int as (c1 + 1), check (c2 > 2)); +--error ER_CONSTRAINT_FAILED +insert into t1(c1) values(1); +insert into t1(c1) values(2); +drop table t1; + +# +# MDEV-11117 CHECK constraint fails on intermediate step of ALTER +# +-- error ER_GENERATED_COLUMN_FUNCTION_IS_NOT_ALLOWED +create or replace table t1( c1 int auto_increment primary key, check( c1 > 0 or c1 is null ) ); + +# +# MDEV-12421 Check constraint with query crashes server and renders DB unusable +# +--error ER_GENERATED_COLUMN_FUNCTION_IS_NOT_ALLOWED +create table t1 (a int check (@b in (select user from mysql.user))); +--error ER_GENERATED_COLUMN_FUNCTION_IS_NOT_ALLOWED +create table t1 (a int check (a > @b)); + +# +# MDEV-13596 CHECK constraints disallow NULL to pass through, violating SQL +# +create table t1 (a int check (a = 1)); +insert t1 values (1); +--error ER_CONSTRAINT_FAILED +insert t1 values (2); +insert t1 values (NULL); +select * from t1; +drop table t1; + +# +# MDEV-15141 Check constraint validation on a datetime field crashes the process +# +create table t1 (id int auto_increment primary key, datecol datetime, check (datecol>'0001-01-01 00:00:00')); +insert into t1 (datecol) values (now()); +insert into t1 (datecol) values (now()); +drop table t1; + +# +# MDEV-15461 Check Constraints with binary logging makes insert inconsistent +# + +CREATE TABLE t1 ( + EmployeeID SMALLINT UNSIGNED AUTO_INCREMENT PRIMARY KEY, + FirstName VARCHAR(30) NOT NULL CHECK (CHAR_LENGTH(FirstName > 2)) +); + +--error ER_TRUNCATED_WRONG_VALUE +INSERT INTO t1 VALUES (NULL, 'Ken'); +SHOW WARNINGS; +--error ER_TRUNCATED_WRONG_VALUE +INSERT INTO t1 VALUES (NULL, 'Ken'),(NULL, 'Brian'); +SHOW WARNINGS; +INSERT IGNORE INTO t1 VALUES (NULL, 'Ken'); +INSERT IGNORE INTO t1 VALUES (NULL, 'Ken'),(NULL, 'Brian'); +set sql_mode=""; +INSERT INTO t1 VALUES (NULL, 'Ken'); +INSERT INTO t1 VALUES (NULL, 'Ken'),(NULL, 'Brian'); +set sql_mode=default; +select * from t1; +drop table t1; + +--echo # +--echo # MDEV-16630: Ambiguous error message when check constraint +--echo # matches table name +--echo # + +use test; +--disable_warnings +drop table if exists t; +--enable_warnings + +create table t(a int, b int check(b>0), + constraint b check(a<b), constraint a check(a>0), + constraint x check (a>10)); + +show create table t; + +# Generate error when field constraint 'b' is violated +--echo # Field constraint 'b' will fail +--error ER_CONSTRAINT_FAILED +insert into t values (-1, 0); + +# Generate error when table constraint 'b' is violated. +--echo # Table constraint 'b' will fail +--error ER_CONSTRAINT_FAILED +insert into t values (1,1); + +drop table t; + +# +# check constraints and auto_is_null typo +# +create table t1 (a int auto_increment primary key, b int, check (b > 5)); +--error ER_CONSTRAINT_FAILED +insert t1 (b) values (1); +insert t1 (b) values (10); +select * from t1 where a is null; +set sql_auto_is_null=1; +#Enable after fix MDEV-31307 +--disable_ps2_protocol +select * from t1 where a is null; +--enable_ps2_protocol +--error ER_CONSTRAINT_FAILED +insert t1 (b) values (1); +drop table t1; + +--echo # +--echo # MDEV-25638 Assertion `!result' failed in convert_const_to_int +--echo # + +--enable_prepare_warnings +create table t1 (v1 bigint check (v1 not in ('x' , 'x111'))) ; +select * from t1; +select v1 from t1; +select * from t1; +prepare stmt from "select * from t1"; +execute stmt; +execute stmt; +flush tables; +select * from t1; +select * from t1; +deallocate prepare stmt; +drop table t1; +--disable_prepare_warnings + +--echo # +--echo # MDEV-26061 MariaDB server crash at Field::set_default +--echo # + +create table t1 (v2 date check (v1 like default (v1)), v1 date default (from_days ('x'))); +insert ignore into t1 values ( 'x' , 'x' ) ; +drop table t1; + +--echo # +--echo # End of 10.2 tests +--echo # + +--echo # +--echo # MDEV-26061 MariaDB server crash at Field::set_default +--echo # + +create table t1 (d timestamp not null default now() check (default (d) is true)) as select 1; +show create table t1; +drop table t1; + +--echo # +--echo # End of 10.3 tests +--echo # + +--echo # +--echo # MDEV-24274 ALTER TABLE with CHECK CONSTRAINTS gives "Out of Memory" error +--echo # +create table t1 (id varchar(2), constraint id check (id regexp '[a-z]')); +alter table t1 force; +show create table t1; +drop table t1; + +--echo # +--echo # MDEV-32586 incorrect error about cyclic reference about JSON type virtual column +--echo # + +create table t1 (a int, b json as (a)); +drop table t1; + +create table t1 (a int, b int as (a) check (b > 0)); +insert t1 (a) values (1); +--error ER_CONSTRAINT_FAILED +insert t1 (a) values (-1); +drop table t1; + +--echo # +--echo # End of 10.4 tests +--echo # |