Stop the MySQL adapter crashing when views are present. (closes #3782) [Jonathan Viney]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3886 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

@@ -105,6 +105,8 @@
 
 * Documentation fixes for :dependent [robby@planetargon.com]
 
+* Stop the MySQL adapter crashing when views are present. #3782 [Jonathan Viney]
+
 * Allow set_fixture_class to take Classes instead of strings for a class in a module.  Raise FixtureClassNotFound if a fixture can't load.  [Rick Olson]
 
 * Fix quoting of inheritance column for STI eager loading #4098 [Jonathan Viney <jonathan@bluewire.net.nz>]

activerecord/lib/active_record/connection_adapters/mysql_adapter.rb

@@ -236,7 +236,14 @@ module ActiveRecord
       # SCHEMA STATEMENTS ========================================
 
       def structure_dump #:nodoc:
-        select_all("SHOW TABLES").inject("") do |structure, table|
+        if supports_views?
+          sql = "SHOW FULL TABLES WHERE Table_type = 'BASE TABLE'"
+        else
+          sql = "SHOW TABLES"
+        end
+        
+        select_all(sql).inject("") do |structure, table|
+          table.delete('Table_type')
           structure += select_one("SHOW CREATE TABLE #{table.to_a.first.last}")["Create Table"] + ";\n\n"
         end
       end
@@ -334,6 +341,14 @@ module ActiveRecord
           result.free
           rows
         end
+        
+        def supports_views?
+          version[0] >= 5
+        end
+        
+        def version
+          @version ||= @connection.server_info.scan(/^(\d+)\.(\d+)\.(\d+)/).flatten.map { |v| v.to_i }
+        end
     end
   end
 end