X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/c19d1b406b149040a37ef22f4f14eeddc29cf0ea..9dd5dabf869e76cc00698e12b284400e570098c0:/db/migrate/007_add_relations.rb?ds=sidebyside diff --git a/db/migrate/007_add_relations.rb b/db/migrate/007_add_relations.rb index dea777d5d..78270f103 100644 --- a/db/migrate/007_add_relations.rb +++ b/db/migrate/007_add_relations.rb @@ -1,74 +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 "current_relation_members_member_idx" # the following is obsolete given the primary key, is it not?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_pk_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 - 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_auto_20 end - def self.down drop_table :relations drop_table :current_relations @@ -76,5 +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