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mariadb/mysql-test/suite/innodb/r/innodb-alter-nullable.result
Marko Mäkelä 01b2e773ef MDEV-15937 Assertion failure 'key->flags & 1' on ALTER TABLE
While the test case crashes a MariaDB 10.2 debug build only,
let us apply the fix to the earliest applicable MariaDB series (10.0)
to avoid any data corruption on a table-rebuilding ALTER TABLE
using ALGORITHM=INPLACE.

innobase_create_key_defs(): Use altered_table->s->primary_key
when a new primary key is being created.
2018-04-23 13:04:58 +03:00

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CREATE TABLE t (c1 INT PRIMARY KEY, c2 INT NOT NULL, c3 INT) ENGINE=InnoDB;
INSERT INTO t VALUES (1,2,3),(4,5,6),(7,8,9);
ALTER TABLE t CHANGE c1 c1 INT NULL FIRST, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
set @old_sql_mode = @@sql_mode;
set @@sql_mode = 'STRICT_TRANS_TABLES';
ALTER TABLE t MODIFY c3 INT NOT NULL, ALGORITHM=INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
set @@sql_mode = @old_sql_mode;
ALTER TABLE t CHANGE c2 c2 INT, CHANGE c2 c2 INT NOT NULL;
ERROR 42S22: Unknown column 'c2' in 't'
ALTER TABLE t MODIFY c2 INT, MODIFY c2 INT NOT NULL;
ERROR 42S22: Unknown column 'c2' in 't'
ALTER TABLE t MODIFY c2 INT UNSIGNED, MODIFY c2 INT;
ERROR 42S22: Unknown column 'c2' in 't'
ALTER TABLE t MODIFY c2 CHAR(1) NOT NULL, MODIFY c2 INT NOT NULL;
ERROR 42S22: Unknown column 'c2' in 't'
ALTER TABLE t CHANGE c2 c2 INT NOT NULL;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t MODIFY c2 INT NOT NULL;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET SQL_MODE='STRICT_ALL_TABLES';
UPDATE t SET c2=NULL;
ERROR 23000: Column 'c2' cannot be null
SELECT * FROM t;
c1 c2 c3
1 2 3
4 5 6
7 8 9
ALTER TABLE t MODIFY c2 INT, ALGORITHM=INPLACE;
BEGIN;
UPDATE t SET c2=NULL;
SELECT * FROM t;
c1 c2 c3
1 NULL 3
4 NULL 6
7 NULL 9
ROLLBACK;
SELECT * FROM t;
c1 c2 c3
1 2 3
4 5 6
7 8 9
ALTER TABLE t MODIFY c2 INT NULL, ALGORITHM=INPLACE;
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES
WHERE NAME='test/t';
TABLE_ID NAME FLAG N_COLS SPACE FILE_FORMAT ROW_FORMAT ZIP_PAGE_SIZE
# test/t 1 6 # Antelope Compact 0
DROP TABLE t;
CREATE TABLE t1(c1 INT) ENGINE=InnoDB;
ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY i1(c1);
ALTER TABLE t1 CHANGE c1 c1 INT NOT NULL,ADD KEY(c1);
DROP TABLE t1;