method
remove_column
v3.2.8 -
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Class: ActiveRecord::ConnectionAdapters::SQLiteAdapter
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remove_column(table_name, *column_names)
public
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# File activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 408 def remove_column(table_name, *column_names) #:nodoc: raise ArgumentError.new("You must specify at least one column name. Example: remove_column(:people, :first_name)") if column_names.empty? if column_names.flatten! message = 'Passing array to remove_columns is deprecated, please use ' + 'multiple arguments, like: `remove_columns(:posts, :foo, :bar)`' ActiveSupport::Deprecation.warn message, caller end column_names.each do |column_name| alter_table(table_name) do |definition| definition.columns.delete(definition[column_name]) end end end