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# File 'lib/active_record/migration/compatibility.rb', line 19
def change_column(table_name, column_name, type, options = {})
if connection.adapter_name == "PostgreSQL"
super(table_name, column_name, type, options.except(:default, :null, :comment))
connection.change_column_default(table_name, column_name, options[:default]) if options.key?(:default)
connection.change_column_null(table_name, column_name, options[:null], options[:default]) if options.key?(:null)
connection.change_column_comment(table_name, column_name, options[:comment]) if options.key?(:comment)
else
super
end
end
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