--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Sets a new default value for a column. If you want to set the default value to <tt>NULL</tt>, you are out of luck. You need to DatabaseStatements#execute the appropriate SQL statement yourself.
- !ruby/struct:SM::Flow::H 
  level: 5
  text: Examples
- !ruby/struct:SM::Flow::VERB 
  body: " change_column_default(:suppliers, :qualification, 'new')\n change_column_default(:accounts, :authorized, 1)\n"
full_name: ActiveRecord::ConnectionAdapters::SchemaStatements#change_column_default
is_singleton: false
name: change_column_default
params: (table_name, column_name, default)
visibility: public
