Ticket #4721: db2_migrations.diff

test/migration_test.rb

@@ -113 +113 @@
-      Person.connection.drop_table :testings rescue nil
-    end
-  
- and Sybase
+, Sybase, and DB2
-    # to a table without specifying a default value, so the
-    # following test must be skipped  
-
+ || current_adapter?(:DB2Adapter)
-      def test_add_column_not_null_without_default
-        Person.connection.create_table :testings do |t|
-          t.column :foo, :string

lib/active_record/connection_adapters/db2_adapter.rb

@@ -42 +42 @@
-          super(connection, logger)
-          @connection_options = connection_options
-          if schema = @connection_options[:schema]
-
-
-
+
-          end
+          db_version = select_value('select versionnumber from sysibm.sysversions')
+          @db2_major_version = db_version.to_s[0].chr.to_i
-        end
-        
-        def select_all(sql, name = nil)
@@ -179 +179 @@
-          '0'
-        end
-
+        def current_database
+          select_value('select current server from sysibm.sysdummy1')
+        end
+
+        def supports_migrations?
+          @db2_major_version > 7
+        end
+
+        def rename_table(name, new_name)
+          execute "rename table #{name} to #{new_name}"
+        end  
+          
+        def remove_column(table_name, column_name)
+          execute "alter table #{name} drop column #{column_name}"
+        end
+
+        def change_column_default(table_name, column_name, default)
+          execute "alter table #{table_name} alter column #{column_name} set #{default}"
+        end
+
-        def active?
-          @connection.select_one 'select 1 from ibm.sysdummy1'
-          true

lib/active_record/vendor/db2.rb

@@ -111 +111 @@
-    end
-
-    def columns(table_name, schema_name = '%')
-upcase, table_name
+to_s.upcase, table_name.to_s
-      fetch_all
-    end
-
-    def tables(schema_name = '%')
-
+to_s.
-      fetch_all
-    end
-
-    def indexes(table_name, schema_name = '')
-upcase, table_name
+to_s.upcase, table_name.to_s
-      fetch_all
-    end
-