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Add `ActiveRecord::Base.prohibit_shard_swapping` by seejohnrun · Pull Request #4...
source link: https://github.com/rails/rails/pull/43485
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Summary
When using sharded databases for the lifecycle of an entire request,
it's often desirable to ensure that the databases shard is not
unintentionally changed.
This commit introduces ActiveRecord::Base.prohibit_shard_swapping
which takes a block and prevents swapping of shards for its duration.
cc / @eileencodes
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