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#
# Testing of constraints
#
create table t1 (a int check (a>0));
show create table t1;
insert into t1 values (1);
--error ER_CONSTRAINT_FAILED
insert into t1 values (0);
drop table t1;
create table t1 (a int, b int, check (a>b));
show create table t1;
insert into t1 values (1,0);
--error ER_CONSTRAINT_FAILED
insert into t1 values (0,1);
drop table t1;
create table t1 (a int ,b int, constraint abc check (a>b));
show create table t1;
insert into t1 values (1,0);
--error ER_CONSTRAINT_FAILED
insert into t1 values (0,1);
drop table t1;
create table t1 (a int null);
show create table t1;
insert into t1 values (1),(NULL);
drop table t1;
create table t1 (a int null);
alter table t1 add constraint constraint_1 unique (a);
alter table t1 add constraint unique key_1(a);
alter table t1 add constraint constraint_2 unique key_2(a);
show create table t1;
drop table t1;
# End of 4.1 tests
#
# Bug#35578 (Parser allows useless/illegal CREATE TABLE syntax)
#
--disable_warnings
drop table if exists t_illegal;
--enable_warnings
--error ER_PARSE_ERROR
create table t_illegal (a int, b int, check a>b);
--error ER_PARSE_ERROR
create table t_illegal (a int, b int, constraint abc check a>b);
--error ER_PARSE_ERROR
create table t_illegal (a int, b int, constraint abc);
#
# Bug#11714 (Non-sensical ALTER TABLE ADD CONSTRAINT allowed)
#
--disable_warnings
drop table if exists t_11714;
--enable_warnings
create table t_11714(a int, b int);
--error ER_PARSE_ERROR
alter table t_11714 add constraint cons1;
drop table t_11714;
#
# Bug#38696 (CREATE TABLE ... CHECK ... allows illegal syntax)
--error ER_PARSE_ERROR
CREATE TABLE t_illegal (col_1 INT CHECK something (whatever));
--error ER_PARSE_ERROR
CREATE TABLE t_illegal (col_1 INT CHECK something);
#
# MDEV-17065 Crash on SHOW CREATE TABLE with CHECK CONSTRAINT
#
CREATE TABLE long_enough_name (
pk int(11) NOT NULL,
f1 int(11) DEFAULT NULL,
f2 int(11) NOT NULL,
f3 int(11) DEFAULT NULL,
f4 timestamp NOT NULL DEFAULT current_timestamp(),
f5 varchar(32) COLLATE utf8_bin NOT NULL DEFAULT 'foo',
f6 smallint(6) NOT NULL DEFAULT 1,
f7 int(11) DEFAULT NULL,
PRIMARY KEY (pk),
KEY idx1 (f7),
KEY idx2 (f1),
KEY idx3 (f2),
KEY idx4 (f3),
CONSTRAINT constr CHECK (f6 >= 0)
);
SELECT * FROM long_enough_name AS tbl;
SHOW CREATE TABLE long_enough_name;
DROP TABLE long_enough_name;
#
# MDEV-17654 Incorrect syntax returned for column with CHECK constraint
# in the "SHOW CREATE TABLE ..." result
#
CREATE TABLE test.t(t int COMMENT 't_comment' CHECK(t>0));
SHOW CREATE TABLE test.t;
DROP table test.t;
SET @OLD_SQL_MODE=@@SQL_MODE;
SET SQL_MODE='IGNORE_BAD_TABLE_OPTIONS';
CREATE TABLE test.t (f int foo=bar check(f>0));
SHOW CREATE TABLE t;
DROP table test.t;
SET @@SQL_MODE=@OLD_SQL_MODE;
--echo #
--echo # MDEV-16932 - ASAN heap-use-after-free in my_charlen_utf8 /
--echo # my_well_formed_char_length_utf8 on 2nd execution of SP with
--echo # ALTER trying to add bad CHECK
--echo #
CREATE TABLE t1 (a INT);
CREATE PROCEDURE sp() ALTER TABLE t1 ADD CONSTRAINT CHECK (b > 0);
--error ER_BAD_FIELD_ERROR
CALL sp;
--error ER_BAD_FIELD_ERROR
CALL sp;
--error ER_BAD_FIELD_ERROR
CALL sp;
show create table t1;
alter table t1 add column b int;
CALL sp;
show create table t1;
CALL sp;
show create table t1;
# Cleanup
DROP PROCEDURE sp;
DROP TABLE t1;
CREATE TABLE t1 (a INT);
CREATE PROCEDURE sp() ALTER TABLE t1 ADD CONSTRAINT CHECK (b > 0);
--error ER_BAD_FIELD_ERROR
CALL sp;
alter table t1 add column b int, add constraint check (b < 10);
CALL sp;
show create table t1;
# Cleanup
DROP PROCEDURE sp;
DROP TABLE t1;
--echo #
--echo # End of 10.2 tests
--echo #
#
# Check that we don't lose constraints as part of CREATE ... SELECT
#
create table t1 (a int check (a>10)) select 100 as 'a';
show create table t1;
drop table t1;
#
# Check that we constraints on field with default expressions work
#
create table t1 (a text default(length(now())) check (length(a) > 1));
insert into t1 values ();
insert into t1 values ("ccc");
--error ER_CONSTRAINT_FAILED
insert into t1 values ("");
select * from t1;
drop table t1;
#
# add if not exists in SP
#
create table t1 (a int, b int);
create procedure sp() alter table t1 add constraint if not exists foo check (b > 0);
call sp;
show create table t1;
call sp;
show create table t1;
call sp;
show create table t1;
drop procedure sp;
drop table t1;
--echo #
--echo # MDEV-33768: Memory leak found in the test main.constraints run with --ps-protocol against a server built with the option -DWITH_PROTECT_STATEMENT_MEMROOT
--echo # This test case was added by reviewer's request.
--echo #
PREPARE stmt FROM 'CREATE TABLE t1 (a INT)';
EXECUTE stmt;
DROP TABLE t1;
EXECUTE stmt;
--error ER_TABLE_EXISTS_ERROR
EXECUTE stmt;
--echo # Clean up
DROP TABLE t1;
DEALLOCATE PREPARE stmt;
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