Created
June 1, 2013 05:54
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ActiveRecordのカラムをdestroyしていた場合、該当カラムの有無を検索したい時
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| if !Xxx.find_by_id(3).nil? | |
| re = Xxx.find(3).name | |
| else | |
| re = "該当のカラムは削除されています。" | |
| end |
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