X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/16a641ac2a663ea926566a5cca2575ee295e8555..ab12b6161aa61463d7fbb0a9c77ae1d9ae14082a:/db/migrate/007_add_relations.rb

diff --git a/db/migrate/007_add_relations.rb b/db/migrate/007_add_relations.rb
index a30642e32..78270f103 100644
--- a/db/migrate/007_add_relations.rb
+++ b/db/migrate/007_add_relations.rb
@@ -1,77 +1,73 @@
+require "migrate"
+
 class AddRelations < ActiveRecord::Migration
   def self.up
+    # enums work like strings but are more efficient
+    create_enumeration :nwr_enum, %w(Node Way Relation)
+
     # a relation can have members much like a way can have nodes.
     # differences:
     # way: only nodes / relation: any kind of member
     # way: ordered sequence of nodes / relation: free-form "role" string
-    create_table "current_relation_members", innodb_table do |t|
-      t.column "id",          :bigint, :limit => 64, :null => false
-      t.column "member_type", :string, :limit => 11, :null => false
-      t.column "member_id",   :bigint, :limit => 11, :null => false
+    create_table "current_relation_members", :id => false do |t|
+      t.column "id",          :bigint, :null => false
+      t.column "member_type", :nwr_enum, :null => false
+      t.column "member_id",   :bigint, :null => false
       t.column "member_role", :string
     end
-    # enums work like strings but are more efficient
-    execute "alter table current_relation_members change column member_type member_type enum('node','way','relation');"
 
-    add_primary_key "current_relation_members", ["id", "member_type", "member_id", "member_role"]
-    add_index "current_relation_members", ["member_type", "member_id"], :name => "current_relation_members_member_idx"
+    add_primary_key "current_relation_members", %w(id member_type member_id member_role)
+    add_index "current_relation_members", %w(member_type member_id), :name => "current_relation_members_member_idx"
     # the following is obsolete given the primary key, is it not?
     # add_index "current_relation_members", ["id"], :name => "current_relation_members_id_idx"
-    create_table "current_relation_tags", myisam_table do |t|
-      t.column "id", :bigint, :limit => 64, :null => false
+    create_table "current_relation_tags", :id => false do |t|
+      t.column "id", :bigint, :null => false
       t.column "k",  :string, :default => "", :null => false
       t.column "v",  :string, :default => "", :null => false
     end
 
     add_index "current_relation_tags", ["id"], :name => "current_relation_tags_id_idx"
-    execute "CREATE FULLTEXT INDEX `current_relation_tags_v_idx` ON `current_relation_tags` (`v`)"
+    add_index "current_relation_tags", "v", :name => "current_relation_tags_v_idx"
 
-    create_table "current_relations", innodb_table do |t|
-      t.column "id",        :bigint,   :limit => 64, :null => false
-      t.column "user_id",   :bigint,   :limit => 20, :null => false
+    create_table "current_relations", :id => false do |t|
+      t.column "id",        :bigserial, :primary_key => true, :null => false
+      t.column "user_id",   :bigint, :null => false
       t.column "timestamp", :datetime, :null => false
-      t.column "visible",   :boolean,  :null => false
+      t.column "visible",   :boolean, :null => false
     end
 
-    add_primary_key "current_relations", ["id"]
-    change_column "current_relations", "id", :bigint, :limit => 64, :null => false, :options => "AUTO_INCREMENT"
-
-    create_table "relation_members", myisam_table do |t|
-      t.column "id",          :bigint,  :limit => 64, :default => 0, :null => false
-      t.column "member_type", :string, :limit => 11, :null => false
-      t.column "member_id",   :bigint, :limit => 11, :null => false
+    create_table "relation_members", :id => false do |t|
+      t.column "id",          :bigint, :default => 0, :null => false
+      t.column "member_type", :nwr_enum, :null => false
+      t.column "member_id",   :bigint, :null => false
       t.column "member_role", :string
-      t.column "version",     :bigint,  :limit => 20, :default => 0, :null => false
+      t.column "version",     :bigint, :default => 0, :null => false
     end
 
-    execute "alter table relation_members change column member_type member_type enum('node','way','relation');" 
-    add_primary_key "relation_members", ["id", "version", "member_type", "member_id", "member_role"]
-    add_index "relation_members", ["member_type", "member_id"], :name => "relation_members_member_idx"
+    add_primary_key "relation_members", %w(id version member_type member_id member_role)
+    add_index "relation_members", %w(member_type member_id), :name => "relation_members_member_idx"
 
-    create_table "relation_tags", myisam_table do |t|
-      t.column "id",      :bigint,  :limit => 64, :default => 0, :null => false
+    create_table "relation_tags", :id => false do |t|
+      t.column "id",      :bigint, :default => 0, :null => false
       t.column "k",       :string, :null => false, :default => ""
       t.column "v",       :string, :null => false, :default => ""
-      t.column "version", :bigint,  :limit => 20, :null => false
+      t.column "version", :bigint, :null => false
     end
 
-    add_index "relation_tags", ["id", "version"], :name => "relation_tags_id_version_idx"
+    add_index "relation_tags", %w(id version), :name => "relation_tags_id_version_idx"
 
-    create_table "relations", myisam_table do |t|
-      t.column "id",        :bigint,   :limit => 64, :null => false, :default => 0
-      t.column "user_id",   :bigint,   :limit => 20, :null => false
-      t.column "timestamp", :datetime,               :null => false
-      t.column "version",   :bigint,   :limit => 20, :null => false
-      t.column "visible",   :boolean,                :null => false, :default => true
+    create_table "relations", :id => false do |t|
+      t.column "id",        :bigint, :null => false, :default => 0
+      t.column "user_id",   :bigint, :null => false
+      t.column "timestamp", :datetime, :null => false
+      t.column "version",   :bigint, :null => false
+      t.column "visible",   :boolean, :null => false, :default => true
     end
 
-    add_primary_key "relations", ["id", "version"]
+    add_primary_key "relations", %w(id version)
     add_index "relations", ["timestamp"], :name => "relations_timestamp_idx"
-    
-    change_column "relations", "version", :bigint, :limit => 20, :null => false, :options => "AUTO_INCREMENT"
   end
 
-
   def self.down
     drop_table :relations
     drop_table :current_relations
@@ -79,5 +75,6 @@ class AddRelations < ActiveRecord::Migration
     drop_table :current_relation_tags
     drop_table :relation_members
     drop_table :current_relation_members
+    drop_enumeration :nwr_enum
   end
 end