forked from https://github.com/symfony/symfony
b9d41490fe
This PR was squashed before being merged into the 5.1-dev branch.
Discussion
----------
Automatically provide Messenger Doctrine schema to "diff"
| Q | A
| ------------- | ---
| Branch? | master
| Bug fix? | no
| New feature? | yes
| Deprecations? | no
| Tickets | Alternative to #36629
| License | MIT
| Doc PR | TODO - WILL be needed
This follows this conversation: https://github.com/symfony/symfony/pull/36629#issuecomment-621745821 - it automatically adds SQL to Doctrine's migration/diff system when features are added the require a database table:
The new feature works for:
### A) Messenger Doctrine transport
**FULL support**
Works perfectly: configure a doctrine transport and run `make:migration`
**Note**: There is no current way to disable this. So if you have `auto_setup` ON and you
run `make:migration` before trying Messenger, it will generate the table SQL. Adding a
flag to disable it might be very complicated, because we need to know (in DoctrineBundle, at compile time) whether or not this feature is enabled/disabled so that we can decide *not* to add `messenger_messages` to the `schema_filter`.
### B) `PdoAdapter` from Cache
**FULL support**
Works perfectly: configure a doctrine transport and run `make:migration`
### C) `PdoStore` from Lock
**PARTIAL support**
I added `PdoStore::configureSchema()` but did NOT add a listener. While `PdoStore` *does* accept a DBAL `Connection`, I don't think it's possible via the `framework.lock` config to create a `PdoStore` that is passed a `Connection`. In other words: if we added a listener that called `PdoStore::configureSchema` if the user configured a `pdo` lock, that service will *never* have a `Connection` object... so it's kind of worthless.
**NEED**: A proper way to inject a DBAL `Connection` into `PdoStore` via `framework.lock` config.
### D) `PdoSessionHandler`
**NO support**
This class doesn't accept a DBAL `Connection` object. And so, we can't reliably create a listener to add the schema because (if there are multiple connections) we wouldn't know which Connection to use.
We could compare (`===`) the `PDO` instance inside `PdoSessionHandler` to the wrapped `PDO` connection in Doctrine. That would only work if the user has configured their `PdoSessionHandler` to re-use the Doctrine PDO connection.
The `PdoSessionHandler` *already* has a `createTable()` method on it to help with manual migration. But... it's not easy to call from a migration because you would need to fetch the `PdoSessionHandler` service from the container. Adding something
**NEED**: Either:
A) A way for `PdoSessionHandler` to use a DBAL Connection
or
B) We try to hack this feature by comparing the `PDO` instances in the event subscriber
or
C) We add an easier way to access the `createTable()` method from inside a migration.
TODOs
* [X] Determine service injection XML needed for getting all PdoAdapter pools
* [ ] Finish DoctrineBundle PR: https://github.com/doctrine/DoctrineBundle/pull/1163
Commits
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| .github | ||
| src/Symfony | ||
| .appveyor.yml | ||
| .editorconfig | ||
| .gitignore | ||
| .php_cs.dist | ||
| .travis.yml | ||
| CHANGELOG-4.0.md | ||
| CHANGELOG-4.1.md | ||
| CHANGELOG-4.2.md | ||
| CHANGELOG-4.3.md | ||
| CHANGELOG-4.4.md | ||
| CHANGELOG-5.0.md | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| CONTRIBUTORS.md | ||
| LICENSE | ||
| README.md | ||
| UPGRADE-5.0.md | ||
| UPGRADE-5.1.md | ||
| UPGRADE-6.0.md | ||
| composer.json | ||
| link | ||
| phpunit | ||
| phpunit.xml.dist | ||
README.md
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