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438811b4b2
- CREATE TABLE ... SELECT drops constraints for columns that
are both in the create and select part.
- Fixed by copying the constraint in
Column_definiton::redefine_stage1_common()
- If one has both a default expression and check constraint for a
column, one can get the error "Expression for field `a` is refering
to uninitialized field `a`.
- Fixed by ignoring default expressions for current column when checking
for CHECK constraint
124 lines
2.8 KiB
Text
124 lines
2.8 KiB
Text
#
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# Testing of constraints
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#
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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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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# Check that we don't loose 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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