diff options
Diffstat (limited to 'activerecord/lib/active_record/base.rb')
| -rwxr-xr-x | activerecord/lib/active_record/base.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index fa7ed9482a..d408173c01 100755 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -707,6 +707,22 @@ module ActiveRecord #:nodoc: class_name end + # Indicates whether the table associated with this class exists + def table_exists? + if connection.respond_to?(:tables) + connection.tables.include? table_name + else + # if the connection adapter hasn't implemented tables, there are two crude tests that can be + # used - see if getting column info raises an error, or if the number of columns returned is zero + begin + reset_column_information + columns.size > 0 + rescue ActiveRecord::StatementInvalid + false + end + end + end + # Returns an array of column objects for the table associated with this class. def columns unless @columns |