Back in 2010 Magento 1.4->1.6 was rewritten to have Zend_Select everywhere.
It was done as a project for compatibility with SQL Server and Oracle.
Postgres was not in scope at that time. Even after Magento 2 moved to Github, it never came in.
Adapter implementation is not there because of its low level and complexity.
So this module provides baseline for further development.\
There were updates to Magento 2 that made some part incompatible but legacy of 2010 is still there.
Current state is a proof of concept and checkout with simple products works.
At this moment bin/magento works with some commands,
like store:list,store:website:list,config:show.
Login into admin works, homepage works, CMS Editing works.
Visiting orders, invoices, shipments, settings.
Catalog and Cart Rules, visited, but did not check in action.
Basic CRUD suppose to work fine.
[ ] DDL Cache (It used Redis)
[x] Identities and autoincrements.(script in misc)
[ ] Insert on duplicate.
[x] Fancy catalog collection::getSize(); (compatibility patch)
[x] EAV Unions. (compatibility patch)
[ ] Indexers and Reports.
[ ] Magento relies on custom implementation of Material Views for Mysql.
[ ] Time Zone, database uses GMT.
[ ] Functions that do not exist in Postgres. added getFieldSql() with compatibility patch for sort calls.
[x] Replace sequence_% tables with real sequences.
- Prepare working Magento with MySQL database.
- Use script misc/mysql_to_pgsql.sh as an example for migration of your database.
- Use script
php convert_sequences.phpto restore identities/auto-increments for primary keys. - Apply some patches to the core from Postgres Compatibility Branch
- Change app/etc/env.php
- Enjoy.
- Fix 'Not implemented Morozov\PgCompat\DB\Adapter\Pdo\Postgres...' exception.
- Go to 5 :)
Copyright 2021 Kirill Morozov <[email protected]>
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