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Remove incorrect comment that a default value of NULL cannot be set with change_column_default.

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This commit is contained in:
Manuel Meurer
2011-03-16 11:01:43 +07:00
parent 61781d84c1
commit 64fe0d4cba
1 changed files with 2 additions and 3 deletions
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5
activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
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@@ -279,12 +279,11 @@ module ActiveRecord
raise NotImplementedError, "change_column is not implemented"
end
# Sets a new default value for a column. If you want to set the default
# value to +NULL+, you are out of luck. You need to
# DatabaseStatements#execute the appropriate SQL statement yourself.
# Sets a new default value for a column.
# ===== Examples
# change_column_default(:suppliers, :qualification, 'new')
# change_column_default(:accounts, :authorized, 1)
# change_column_default(:users, :email, nil)
def change_column_default(table_name, column_name, default)
raise NotImplementedError, "change_column_default is not implemented"
end