[Cache] Remove database server version detection #52720
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OskarStark
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What will be the behavior if someone uses an old version of Postgres? This should be mentioned in the changelog and the minimum database server versions needs to be documented. |
The adapter will use an SQL syntax the server won't understand. That's a hard exception.
I'll update the change log and open a PR for the docs. |
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nicolas-grekas
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Nov 25, 2023
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I've opened symfony/symfony-docs#19187 for the docs. |
xabbuh
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This PR was merged into the 7.0 branch. Discussion ---------- Document requirements for DoctrineDbalAdapter Follows symfony/symfony#52720. I've added a block that documents the compatibility with various database engines. * MySQL 5.7 is the oldest release supported by DBAL 3. * MariaDB 10.2 is the oldest release supported by DBAL 3. * The `MERGE` statement that the adapter uses requires Oracle 10g or newer. * SQL Server 2012 is the oldest release supported by DBAL 3. * The `INSERT OR REPLACE` statement that we use on SQLite requires PHP to be linked against libsqlite 3.24 or newer. * The `ON CONFLICT` clause that we use on Postgres was introduced with version 9.5. Commits ------- 4127633 Document requirements for DoctrineDbalAdapter
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Our DoctrineDbalAdapter is currently sniffing for the database server version to implement workarounds for very old database servers:
I think it's fair to not support those old releases anymore at this point.