Check if table and columns exist to use in Rails migrations

4 Comments

1. #check for table

   ActiveRecord::Base.connection.tables.include?(‘name’)

   #check for column
   Model.columns_hash.has_key?(‘column_name’)

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2. Simple to check if table exist in rails migration :

   self.table_exists?(“table_name”)

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   • “Simpler” not “simple”

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     • Hello Jayraymy,

       I dig how you corrected that! :) Also thanks for adding the above… the note Chirag write is super old so functionality has likely drastically improved and could use updated info like you provided… again thanks!

       Thanks.
       Alex

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