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Deprecate supports_statement_cache? #28938

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@kamipo kamipo commented Apr 30, 2017

supports_statement_cache? was introduced in 3.1.0.beta1 (104d0b2) for
bind parameter substitution, but it is no longer used in 3.1.0.rc1
(73ff679). Originally it should respect prepared_statements rather
than supports_statement_cache? (fd39847).
One more thing, named supports_statement_cache? is pretty misreading.
We have StatementCache and StatementPool. However,
supports_statement_cache? doesn't mean StatementCache, but
StatementPool unlike its name.

https://github.com/rails/rails/blob/v5.1.0/activerecord/lib/active_record/statement_cache.rb
https://github.com/rails/rails/blob/v5.1.0/activerecord/lib/active_record/connection_adapters/statement_pool.rb

`supports_statement_cache?` was introduced in 3.1.0.beta1 (104d0b2) for
bind parameter substitution, but it is no longer used in 3.1.0.rc1
(73ff679). Originally it should respect `prepared_statements` rather
than `supports_statement_cache?` (fd39847).
One more thing, named `supports_statement_cache?` is pretty misreading.
We have `StatementCache` and `StatementPool`. However,
`supports_statement_cache?` doesn't mean `StatementCache`, but
`StatementPool` unlike its name.

https://github.com/rails/rails/blob/v5.1.0/activerecord/lib/active_record/statement_cache.rb
https://github.com/rails/rails/blob/v5.1.0/activerecord/lib/active_record/connection_adapters/statement_pool.rb
@rafaelfranca rafaelfranca merged commit 00f1f95 into rails:master May 2, 2017
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koic added a commit to koic/oracle-enhanced that referenced this issue May 2, 2017
@kamipo kamipo deleted the deprecate_supports_statement_cache branch May 2, 2017
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3 participants