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Merge pull request #44764 from ghousemohamed/highlight-shard-selector-in-docs

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Highlight `ShardSelector` class mentioned in the docs [ci-skip]
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Eileen M. Uchitelle 2022-03-24 12:21:15 -04:00 committed by GitHub
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guides/source/active_record_multiple_databases.md
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@ -438,12 +438,12 @@ end
Applications are able to automatically switch shards per request using the provided
middleware.
The ShardSelector Middleware provides a framework for automatically
The `ShardSelector` Middleware provides a framework for automatically
swapping shards. Rails provides a basic framework to determine which
shard to switch to and allows for applications to write custom strategies
for swapping if needed.
The ShardSelector takes a set of options (currently only `lock` is supported)
The `ShardSelector` takes a set of options (currently only `lock` is supported)
that can be used by the middleware to alter behavior. `lock` is
true by default and will prohibit the request from switching shards once
inside the block. If `lock` is false, then shard swapping will be allowed.