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| author | Ryuta Kamizono <kamipo@gmail.com> | 2017-06-15 07:33:20 +0900 |
|---|---|---|
| committer | Ryuta Kamizono <kamipo@gmail.com> | 2017-06-15 10:56:56 +0900 |
| commit | 9276ebc773d3287a9fa8d1c6ce9e3a14ceeb8add (patch) | |
| tree | 55e883cadef2d0c09c60a77a81ecedfc90e2d753 /guides/.document | |
| parent | f340490b98ac9f13f004b5db8863cb3ff6fb71f9 (diff) | |
| download | rails-9276ebc773d3287a9fa8d1c6ce9e3a14ceeb8add.tar.gz rails-9276ebc773d3287a9fa8d1c6ce9e3a14ceeb8add.tar.bz2 rails-9276ebc773d3287a9fa8d1c6ce9e3a14ceeb8add.zip | |
Fix `Relation#exists?` queries with query cache
If a connection adapter overrides `select_*` methods, query caching will
doesn't work. This patch changes `select_value` to `select_one` in
`Relation#exists?` to ensure query caching.
Fixes #29449.
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