4 files changed, 52 insertions, 2 deletions
diff --git a/mysql-test/suite/innodb/r/foreign_key.result b/mysql-test/suite/innodb/r/foreign_key.result
index b0b4635157e..bab4ea16643 100644
--- a/mysql-test/suite/innodb/r/foreign_key.result
+++ b/mysql-test/suite/innodb/r/foreign_key.result
@@ -659,6 +659,7 @@ SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;
 # MDEV-17187 table doesn't exist in engine after ALTER other tables
 # with CONSTRAINTs
 #
+call mtr.add_suppression("\\[Warning\\] InnoDB: In ALTER TABLE `test`\\.`t2` has or is referenced in foreign key constraints which are not compatible with the new table definition.");
 set foreign_key_checks=on;
 create table t1 (id int not null primary key) engine=innodb;
 create table t2 (id int not null primary key, fid int not null,
@@ -714,4 +715,30 @@ drop table t1,t2;
 ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
 drop table t1,t2;
 ERROR 42S02: Unknown table 'test.t2'
+#
+# MDEV-22934 Table disappear after two alter table command
+#
+CREATE TABLE t1(f1 INT NOT NULL AUTO_INCREMENT,
+f2 INT NOT NULL,
+PRIMARY KEY (f1), INDEX (f2))ENGINE=InnoDB;
+CREATE TABLE t2(f1 INT NOT NULL,
+f2 INT NOT NULL, f3 INT NOT NULL,
+PRIMARY KEY(f1, f2), UNIQUE KEY(f2),
+CONSTRAINT `t2_ibfk_1` FOREIGN KEY (f2) REFERENCES t1(f2) ON DELETE CASCADE,
+CONSTRAINT `t2_ibfk_2` FOREIGN KEY (f1) REFERENCES t1(f1) ON DELETE CASCADE
+) ENGINE=InnoDB;
+SET FOREIGN_KEY_CHECKS=0;
+ALTER TABLE t2 DROP PRIMARY KEY, ADD PRIMARY KEY(f3), ALGORITHM=INPLACE;
+ALTER TABLE t2 DROP INDEX `f2`, ALGORITHM=COPY;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `f1` int(11) NOT NULL,
+  `f2` int(11) NOT NULL,
+  `f3` int(11) NOT NULL,
+  PRIMARY KEY (`f3`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1
+CREATE TABLE t2 (f1 INT NOT NULL)ENGINE=InnoDB;
+ERROR 42S01: Table 't2' already exists
+DROP TABLE t2, t1;
 # End of 10.2 tests
diff --git a/mysql-test/suite/innodb/r/innodb.result b/mysql-test/suite/innodb/r/innodb.result
index 0d92968b095..921f9880d47 100644
--- a/mysql-test/suite/innodb/r/innodb.result
+++ b/mysql-test/suite/innodb/r/innodb.result
@@ -2598,7 +2598,6 @@ set foreign_key_checks=0;
 create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb;
 create table t1(a varchar(10) primary key) engine = innodb;
 alter table t1 modify column a int;
-Got one of the listed errors
 set foreign_key_checks=1;
 drop table t2,t1;
 set foreign_key_checks=0;
@@ -2607,6 +2606,7 @@ create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin
 alter table t1 convert to character set utf8;
 set foreign_key_checks=1;
 drop table t2,t1;
+call mtr.add_suppression("\\[Warning\\] InnoDB: In ALTER TABLE `test`.`t1` has or is referenced in foreign key constraints which are not compatible with the new table definition.");
 set foreign_key_checks=0;
 create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1;
 create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8;
diff --git a/mysql-test/suite/innodb/t/foreign_key.test b/mysql-test/suite/innodb/t/foreign_key.test
index 27fa63f144e..40bc3a32a4f 100644
--- a/mysql-test/suite/innodb/t/foreign_key.test
+++ b/mysql-test/suite/innodb/t/foreign_key.test
@@ -657,6 +657,8 @@ SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;
 --echo # with CONSTRAINTs
 --echo #
 
+call mtr.add_suppression("\\[Warning\\] InnoDB: In ALTER TABLE `test`\\.`t2` has or is referenced in foreign key constraints which are not compatible with the new table definition.");
+
 set foreign_key_checks=on;
 create table t1 (id int not null primary key) engine=innodb;
 create table t2 (id int not null primary key, fid int not null,
@@ -698,6 +700,27 @@ drop table t1,t2;
 --error ER_BAD_TABLE_ERROR
 drop table t1,t2;
 
+--echo #
+--echo # MDEV-22934 Table disappear after two alter table command
+--echo #
+CREATE TABLE t1(f1 INT NOT NULL AUTO_INCREMENT,
+		f2 INT NOT NULL,
+		PRIMARY KEY (f1), INDEX (f2))ENGINE=InnoDB;
+CREATE TABLE t2(f1 INT NOT NULL,
+		f2 INT NOT NULL, f3 INT NOT NULL,
+		PRIMARY KEY(f1, f2), UNIQUE KEY(f2),
+CONSTRAINT `t2_ibfk_1` FOREIGN KEY (f2) REFERENCES t1(f2) ON DELETE CASCADE,
+CONSTRAINT `t2_ibfk_2` FOREIGN KEY (f1) REFERENCES t1(f1) ON DELETE CASCADE
+) ENGINE=InnoDB;
+
+SET FOREIGN_KEY_CHECKS=0;
+ALTER TABLE t2 DROP PRIMARY KEY, ADD PRIMARY KEY(f3), ALGORITHM=INPLACE;
+ALTER TABLE t2 DROP INDEX `f2`, ALGORITHM=COPY;
+SHOW CREATE TABLE t2;
+--error ER_TABLE_EXISTS_ERROR
+CREATE TABLE t2 (f1 INT NOT NULL)ENGINE=InnoDB;
+DROP TABLE t2, t1;
+
 --echo # End of 10.2 tests
 
 --source include/wait_until_count_sessions.inc
diff --git a/mysql-test/suite/innodb/t/innodb.test b/mysql-test/suite/innodb/t/innodb.test
index 661d7dff129..7aa146d7d99 100644
--- a/mysql-test/suite/innodb/t/innodb.test
+++ b/mysql-test/suite/innodb/t/innodb.test
@@ -1662,7 +1662,6 @@ drop table t1;
 set foreign_key_checks=0;
 create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb;
 create table t1(a varchar(10) primary key) engine = innodb;
--- error 1025,1025
 alter table t1 modify column a int;
 set foreign_key_checks=1;
 drop table t2,t1;
@@ -1678,6 +1677,7 @@ drop table t2,t1;
 
 # test that RENAME does not allow invalid charsets when f_k_c is 0
 
+call mtr.add_suppression("\\[Warning\\] InnoDB: In ALTER TABLE `test`.`t1` has or is referenced in foreign key constraints which are not compatible with the new table definition.");
 set foreign_key_checks=0;
 create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1;
 create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8;