wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.22-linux-glibc2.17-x86_64-minimal.tar.xz
tar -xvJf mysql-8.0.22-linux-glibc2.17-x86_64-minimal.tar.xz
 chown -R mysql:mysql /usr/local/mysql/
cd mysql-8.0.22-linux-glibc2.17-x86_64-minimal
cp -r ./* /usr/local/mysql/

vi /etc/profile

export MYSQL_HOME=/usr/local/mysql
export PATH=$PATH:/usr/local/mysql/bin
export LD_LIBRARY_PATH=MYSQL_HOME/lib:$LD_LIBRARY_PATH

export PG_HOME=/usr/local/pgsql
export LD_LIBRARY_PATH=$PG_HOME/lib:$MYSQL_HOME/lib:/lib64:/usr/lib64:/usr/local/lib64:/lib:/usr/lib:/usr/local/lib
export PATH=$PG_HOME/bin:$MYSQL_HOME/bin:$PATH:.

source /etc/profile

tar -xzvf REL-2_5_5.tar.gz

cd mysql_fdw-REL-2_5_5

make USE_PGXS=1

make USE_PGXS=1 install

su postgres
 /usr/local/pgsql/bin/pg_ctl -D /mnt/postgres/data -l logfile stop
 /usr/local/pgsql/bin/pg_ctl -D /mnt/postgres/data -l logfile start
 psql [ or /usr/local/pgsql/bin/psql]

\c YOUR_DB_NAME
CREATE EXTENSION mysql_fdw;
CREATE SERVER mysql_server FOREIGN DATA WRAPPER mysql_fdw OPTIONS (host 'HOST', port '3306');
CREATE USER MAPPING FOR YOUR_DB_NAME SERVER mysql_server OPTIONS (username 'USERNAME', password 'PASSWORD');
GRANT USAGE ON FOREIGN SERVER mysql_server TO YOUR_DB_NAME;
GRANT ALL PRIVILEGES ON ods_tianmao_transaction TO YOUR_DB_NAME;

CREATE FOREIGN TABLE YOUR_TABLE_NAME(
 id numeric(22),
 date date ,
 name varchar(50),
 create_time timestamp 
)SERVER mysql_server OPTIONS (dbname 'YOUR_DB_NAME', table_name 'MYSQL_TABLE_NAME');

DROP EXTENSION mysql_fdw CASCADE;

DROP SERVER [mysql_server] CASCADE;

DROP FOREIGN TABLE [YOUR_FOREIGN_TABLE_NAME] CASCADE;

ALTER USER MAPPING FOR YOUR_DB_USER SERVER mysql_server OPTIONS (SET password 'PASSWORD');
ALTER USER MAPPING FOR YOUR_DB_USER SERVER mysql_server OPTIONS (SET username 'USERNAME');