-- 8.0.17


rm -rf 96477/
bin/mysqld --initialize-insecure --basedir=$PWD --datadir=$PWD/96477 --log-error-verbosity=3
bin/mysqld --no-defaults --basedir=$PWD --datadir=$PWD/96477 --core-file --socket=/tmp/mysql_ushastry.sock  --port=3333 --log-error=$PWD/96477/log.err --mysqlx-port=33330 --mysqlx-socket=/tmp/mysql_x_ushastry.sock --log-error-verbosity=3  --secure-file-priv=/tmp/ 2>&1 &


# Create a schema and a table.
# I am using many CHAR fields fo generate a big dataset quickly.
bin/mysql -uroot -S /tmp/mysql_ushastry.sock <<< "CREATE DATABASE test_jfg"
bin/mysql -uroot -S /tmp/mysql_ushastry.sock test_jfg <<< "
  CREATE TABLE test_jfg.t(id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY);
  ALTER TABLE test_jfg.t ADD COLUMN v VARCHAR(255);"

for i in $(seq 9); do
  bin/mysql -uroot -S /tmp/mysql_ushastry.sock test_jfg <<< "ALTER TABLE test_jfg.t ADD COLUMN c$i CHAR(255) DEFAULT ''"
done

# Generate ~2 GB of data in that table.
seq -f "INSERT INTO t(v) VALUES ('%f');" 1 1000000 | sed -e '1~1000s/^/COMMIT;BEGIN;/' | bin/mysql -uroot -S /tmp/mysql_ushastry.sock test_jfg

# Contrarily to Bug#96475, I will run all next steps manually to show things are broken.

-- In the mysql client, run FLUSH TABLE [...] FOR EXPORT.

FLUSH TABLE t FOR EXPORT;

# In bash, copy the files.
for s in cfg ibd; do cp $PWD/96477/test_jfg/t{,_}.$s; done

-- In the . mysql client, UNLOCK TABLE and prepare import.
UNLOCK TABLES;

CREATE TABLE t2 LIKE t; ALTER TABLE t2 DISCARD TABLESPACE;

# In bash, copy the files.
for s in cfg ibd; do cp $PWD/96477/test_jfg/t{_,2}.$s; done

-- In the mysql client, import the table.
ALTER TABLE t2 IMPORT TABLESPACE;
ERROR 1817 (HY000): Index corrupt: Clustered index validation failed, due to data file corruption.

-- In above, we can see that things fail, but I would expect them to succeed.

##########

[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17: bin/mysql -uroot -S /tmp/mysql_ushastry.sock <<< "CREATE DATABASE test_jfg"
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17: bin/mysql -uroot -S /tmp/mysql_ushastry.sock test_jfg <<< "
>   CREATE TABLE test_jfg.t(id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY);
>   ALTER TABLE test_jfg.t ADD COLUMN v VARCHAR(255);"
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17:
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17: for i in $(seq 9); do
>   bin/mysql -uroot -S /tmp/mysql_ushastry.sock test_jfg <<< "ALTER TABLE test_jfg.t ADD COLUMN c$i CHAR(255) DEFAULT ''"
> done
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17:
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17: seq -f "INSERT INTO t(v) VALUES ('%f');" 1 1000000 | sed -e '1~1000s/^/COMMIT;BEGIN;/' | bin/mysql -uroot -S /tmp/mysql_ushastry.sock test_jfg

[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17:
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17:

[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17: bin/mysql -uroot -S /tmp/mysql_ushastry.sock test_jfg
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 19
Server version: 8.0.17 MySQL Community Server - GPL

Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> FLUSH TABLE t FOR EXPORT;
Query OK, 0 rows affected (0.13 sec)

mysql>

umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17:
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17: for s in cfg ibd; do cp $PWD/96477/test_jfg/t{,_}.$s; done
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17:
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17:


mysql> UNLOCK TABLES;
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql> CREATE TABLE t2 LIKE t; ALTER TABLE t2 DISCARD TABLESPACE;
Query OK, 0 rows affected (0.01 sec)

Query OK, 0 rows affected (0.00 sec)

mysql>

[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17:
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17: for s in cfg ibd; do cp $PWD/96477/test_jfg/t{_,2}.$s; done
[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.17:


ysql> ALTER TABLE t2 IMPORT TABLESPACE;
ERROR 1817 (HY000): Index corrupt: Clustered index validation failed, due to data file corruption.
mysql>
mysql>