feat: add base class for extending the query builder #46397
Merged
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The current approach of directly extending the
QueryBuilder
means that the database internals can't change the query builder used without breaking any "extended query builder".This introduces a new base class to build extended query builders of that encapsulates the regular query builder instead. Allowing the database internals to return different query builder implementations without breaking things.
Extracted from, and needed for the sharding work.