method

remove_columns

Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: ActiveRecord::ConnectionAdapters::SchemaStatements

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What's this?

remove_columns(table_name, *column_names, type: nil, **options) public

Removes the given columns from the table definition.

remove_columns(:suppliers, :qualification, :experience)

type and other column options can be passed to make migration reversible.

remove_columns(:suppliers, :qualification, :experience, type: :string, null: false)

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 627
      def remove_columns(table_name, *column_names, type: nil, **options)
        if column_names.empty?
          raise ArgumentError.new("You must specify at least one column name. Example: remove_columns(:people, :first_name)")
        end

        column_names.each do |column_name|
          remove_column(table_name, column_name, type, **options)
        end
      end

remove_columns

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