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e1876e7f78
The discovered memory leak was introduced by the commit
762bf7a03b
(MDEV-22602 Disable UPDATE CASCADE for SQL constraints)
The reason why a memory leaked on running the test main.constraints
is that a statement arena was used for allocation a memory
for storing a constraint name. A constraint name is an entity having
temporary nature by its design so runtime arena should be used for its
allocation.
206 lines
4.7 KiB
Text
206 lines
4.7 KiB
Text
#
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# Testing of constraints
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#
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create table t1 (a int check (a>0));
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show create table t1;
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insert into t1 values (1);
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--error ER_CONSTRAINT_FAILED
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insert into t1 values (0);
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drop table t1;
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create table t1 (a int, b int, check (a>b));
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show create table t1;
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insert into t1 values (1,0);
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--error ER_CONSTRAINT_FAILED
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insert into t1 values (0,1);
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drop table t1;
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create table t1 (a int ,b int, constraint abc check (a>b));
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show create table t1;
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insert into t1 values (1,0);
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--error ER_CONSTRAINT_FAILED
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insert into t1 values (0,1);
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drop table t1;
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create table t1 (a int null);
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show create table t1;
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insert into t1 values (1),(NULL);
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drop table t1;
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create table t1 (a int null);
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alter table t1 add constraint constraint_1 unique (a);
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alter table t1 add constraint unique key_1(a);
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alter table t1 add constraint constraint_2 unique key_2(a);
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show create table t1;
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drop table t1;
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# End of 4.1 tests
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#
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# Bug#35578 (Parser allows useless/illegal CREATE TABLE syntax)
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#
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--disable_warnings
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drop table if exists t_illegal;
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--enable_warnings
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--error ER_PARSE_ERROR
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create table t_illegal (a int, b int, check a>b);
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--error ER_PARSE_ERROR
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create table t_illegal (a int, b int, constraint abc check a>b);
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--error ER_PARSE_ERROR
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create table t_illegal (a int, b int, constraint abc);
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#
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# Bug#11714 (Non-sensical ALTER TABLE ADD CONSTRAINT allowed)
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#
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--disable_warnings
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drop table if exists t_11714;
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--enable_warnings
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create table t_11714(a int, b int);
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--error ER_PARSE_ERROR
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alter table t_11714 add constraint cons1;
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drop table t_11714;
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#
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# Bug#38696 (CREATE TABLE ... CHECK ... allows illegal syntax)
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--error ER_PARSE_ERROR
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CREATE TABLE t_illegal (col_1 INT CHECK something (whatever));
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--error ER_PARSE_ERROR
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CREATE TABLE t_illegal (col_1 INT CHECK something);
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#
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# MDEV-17065 Crash on SHOW CREATE TABLE with CHECK CONSTRAINT
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#
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CREATE TABLE long_enough_name (
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pk int(11) NOT NULL,
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f1 int(11) DEFAULT NULL,
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f2 int(11) NOT NULL,
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f3 int(11) DEFAULT NULL,
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f4 timestamp NOT NULL DEFAULT current_timestamp(),
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f5 varchar(32) COLLATE utf8_bin NOT NULL DEFAULT 'foo',
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f6 smallint(6) NOT NULL DEFAULT 1,
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f7 int(11) DEFAULT NULL,
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PRIMARY KEY (pk),
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KEY idx1 (f7),
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KEY idx2 (f1),
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KEY idx3 (f2),
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KEY idx4 (f3),
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CONSTRAINT constr CHECK (f6 >= 0)
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);
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SELECT * FROM long_enough_name AS tbl;
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SHOW CREATE TABLE long_enough_name;
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DROP TABLE long_enough_name;
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#
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# MDEV-17654 Incorrect syntax returned for column with CHECK constraint
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# in the "SHOW CREATE TABLE ..." result
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#
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CREATE TABLE test.t(t int COMMENT 't_comment' CHECK(t>0));
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SHOW CREATE TABLE test.t;
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DROP table test.t;
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SET @OLD_SQL_MODE=@@SQL_MODE;
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SET SQL_MODE='IGNORE_BAD_TABLE_OPTIONS';
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CREATE TABLE test.t (f int foo=bar check(f>0));
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SHOW CREATE TABLE t;
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DROP table test.t;
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SET @@SQL_MODE=@OLD_SQL_MODE;
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--echo #
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--echo # MDEV-16932 - ASAN heap-use-after-free in my_charlen_utf8 /
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--echo # my_well_formed_char_length_utf8 on 2nd execution of SP with
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--echo # ALTER trying to add bad CHECK
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--echo #
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CREATE TABLE t1 (a INT);
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CREATE PROCEDURE sp() ALTER TABLE t1 ADD CONSTRAINT CHECK (b > 0);
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--error ER_BAD_FIELD_ERROR
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CALL sp;
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--error ER_BAD_FIELD_ERROR
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CALL sp;
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--error ER_BAD_FIELD_ERROR
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CALL sp;
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show create table t1;
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alter table t1 add column b int;
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CALL sp;
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show create table t1;
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CALL sp;
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show create table t1;
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# Cleanup
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DROP PROCEDURE sp;
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DROP TABLE t1;
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CREATE TABLE t1 (a INT);
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CREATE PROCEDURE sp() ALTER TABLE t1 ADD CONSTRAINT CHECK (b > 0);
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--error ER_BAD_FIELD_ERROR
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CALL sp;
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alter table t1 add column b int, add constraint check (b < 10);
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CALL sp;
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show create table t1;
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# Cleanup
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DROP PROCEDURE sp;
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DROP TABLE t1;
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--echo #
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--echo # End of 10.2 tests
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--echo #
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#
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# Check that we don't lose constraints as part of CREATE ... SELECT
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#
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create table t1 (a int check (a>10)) select 100 as 'a';
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show create table t1;
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drop table t1;
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#
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# Check that we constraints on field with default expressions work
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#
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create table t1 (a text default(length(now())) check (length(a) > 1));
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insert into t1 values ();
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insert into t1 values ("ccc");
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--error ER_CONSTRAINT_FAILED
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insert into t1 values ("");
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select * from t1;
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drop table t1;
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#
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# add if not exists in SP
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#
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create table t1 (a int, b int);
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create procedure sp() alter table t1 add constraint if not exists foo check (b > 0);
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call sp;
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show create table t1;
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call sp;
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show create table t1;
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call sp;
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show create table t1;
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drop procedure sp;
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drop table t1;
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--echo #
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--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
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--echo # This test case was added by reviewer's request.
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--echo #
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PREPARE stmt FROM 'CREATE TABLE t1 (a INT)';
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EXECUTE stmt;
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DROP TABLE t1;
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EXECUTE stmt;
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--error ER_TABLE_EXISTS_ERROR
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EXECUTE stmt;
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--echo # Clean up
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DROP TABLE t1;
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DEALLOCATE PREPARE stmt;
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