Added :force option to create_table that'll try to drop the table if it already exists before creating

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2473 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Added :force option to create_table that'll try to drop the table if it already exists before creating
+
 * Fix transactions so that calling return while inside a transaction will not leave an open transaction on the connection. [Nicholas Seckar]
 
 * Use foreign_key inflection uniformly.  #2156 [Blair Zajac <blair@orcaware.com>]

activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb

@@ -79,6 +79,11 @@ module ActiveRecord
         table_definition.primary_key(options[:primary_key] || "id") unless options[:id] == false
 
         yield table_definition
+
+        if options[:force]
+          drop_table(name) rescue nil
+        end
+
         create_sql = "CREATE#{' TEMPORARY' if options[:temporary]} TABLE "
         create_sql << "#{name} ("
         create_sql << table_definition.to_sql

activerecord/lib/active_record/schema_dumper.rb

@@ -53,6 +53,7 @@ HEADER
 
         stream.print "  create_table #{table.inspect}"
         stream.print ", :id => false" if !columns.detect { |c| c.name == "id" }
+        stream.print ", :force => true"
         stream.puts " do |t|"
 
         columns.each do |column|