How to check if a colum is present in table in rails migration
Solution 1:
def self.up
unless ActiveRecord::Base.connection.column_exists?(:table_name, :column_name)
add_column :table_name, :column_name, :data_type
end
end
def self.up
unless ActiveRecord::Base.connection.column_exists?(:table_name, :column_name)
add_column :table_name, :column_name, :data_type
end
end