PostgreSQL/PgLoader
cat << EXE | sudo bash
apt-get update;echo
apt list -a --upgradable
apt-get install -y pgloader
EXE
Migration
cat << DDL | mariadb
CREATE DATABASE IF NOT EXISTS academia;
CREATE USER 'chorke'@'%' IDENTIFIED BY 'sadaqah!';
GRANT ALL PRIVILEGES ON academia.* TO 'chorke'@'%';
FLUSH PRIVILEGES;
DDL
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cat << DDL | psql
CREATE DATABASE academia;
CREATE USER chorke WITH ENCRYPTED PASSWORD 'sadaqah!';
GRANT ALL PRIVILEGES ON DATABASE academia TO chorke;
ALTER DATABASE academia OWNER TO chorke;
DDL
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BACKUP_DATE_N_TIME="$(date +'%Y%m%d-T%H%M')-Z$(date +'%z'|tr '+-' 'PM')"
echo -n password: ;read -s MYSQL_PWD;export MYSQL_PWD; echo
# password: sadaqah!
mariadb -h127.0.0.1 -P3306 -uchorke -Dacademia
mariadb-dump -h127.0.0.1 -P3306 -uchorke -Bacademia > ./academia-${BACKUP_DATE_N_TIME}.dump
mariadb -h127.0.0.1 -P3306 -uchorke -Dacademia < ./academia-20241010-T1010-ZP0600.dump
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cat <<MIG | pgloader -v /dev/stdin
LOAD DATABASE
FROM mysql://chorke:sadaqah!@localhost/academia?useSSL=false
INTO pgsql://chorke:sadaqah!@localhost/academia
WITH include drop, create tables
ALTER SCHEMA 'academia' RENAME TO 'public';
MIG
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BACKUP_DATE_N_TIME="$(date +'%Y%m%d-T%H%M')-Z$(date +'%z'|tr '+-' 'PM')"
echo -n password: ;read -s PGPASSWORD;export PGPASSWORD;echo
# password: sadaqah!
psql -h127.0.0.1 -p5432 -Uchorke -dacademia
pg_dump -h127.0.0.1 -p5432 -Uchorke -dacademia | gzip > academia-${BACKUP_DATE_N_TIME}.sql.gz
gunzip -c academia-20241010-T1010-ZP0600.sql.gz | psql -h127.0.0.1 -p5432 -Uchorke -dacademia
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Playground
docker run --rm -it ghcr.io/dimitri/pgloader:latest pgloader -h
docker run --rm -it ghcr.io/dimitri/pgloader:latest pgloader -V
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pgloader -h
pgloader -V
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pgloader ./sqlite/academia.db pgsql:///academia
pgloader ./sqlite/academia.db pgsql://chorke:sadaqah!@localhost/academia
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pgloader mysql://chorke:sadaqah!@localhost/academia pgsql:///academia
pgloader mysql://chorke:sadaqah!@localhost/academia pgsql://chorke:sadaqah!@localhost/academia
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References
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