Fix --show-migration option not working on Rails 7.2+.#327
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OdenTakashi wants to merge 1 commit intomainfrom
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Fix --show-migration option not working on Rails 7.2+.#327OdenTakashi wants to merge 1 commit intomainfrom
OdenTakashi wants to merge 1 commit intomainfrom
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olleolleolle
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May 5, 2026
## Problem `ConnectionAdapter#migration_context` was deprecated in Rails 7.1 and removed in Rails 7.2 (rails/rails#51162). `The existing code called `connection.migration_context.current_version`, which raises `NoMethodError` on Rails 7.2+. ## Solution Use `connection.pool.migration_context` when available (Rails 7.1+), falling back to `connection.migration_context` for older versions.
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Problem
ConnectionAdapter#migration_contextwas deprecated in Rails 7.1 and removed in Rails 7.2 (rails/rails#51162).The existing code called
connection.migration_context.current_version, which raisesNoMethodErroron Rails 7.2+.Solution
Use
connection.pool.migration_contextwhen available (Rails 7.1+), falling back toconnection.migration_contextfor older versions.