Add Gen III wild held items.
[zzz-pokedex.git] / pokedex / db / tables.py
index a7dd9c8..24008e1 100644 (file)
@@ -4,6 +4,7 @@ from sqlalchemy import Column, ForeignKey, MetaData, Table
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.ext.associationproxy import association_proxy
 from sqlalchemy.orm import backref, relation
+from sqlalchemy.sql import and_
 from sqlalchemy.types import *
 from sqlalchemy.databases.mysql import *
 
@@ -14,17 +15,23 @@ TableBase = declarative_base(metadata=metadata)
 
 class Ability(TableBase):
     __tablename__ = 'abilities'
+    __singlename__ = 'ability'
     id = Column(Integer, primary_key=True, nullable=False)
     name = Column(Unicode(24), nullable=False)
     flavor_text = Column(Unicode(64), nullable=False)
     effect = Column(Unicode(255), nullable=False)
 
+class ContestCombo(TableBase):
+    __tablename__ = 'contest_combos'
+    first_move_id = Column(Integer, ForeignKey('moves.id'), primary_key=True, nullable=False, autoincrement=False)
+    second_move_id = Column(Integer, ForeignKey('moves.id'), primary_key=True, nullable=False, autoincrement=False)
+
 class ContestEffect(TableBase):
     __tablename__ = 'contest_effects'
     id = Column(Integer, primary_key=True, nullable=False)
     appeal = Column(SmallInteger, nullable=False)
     jam = Column(SmallInteger, nullable=False)
-    flavor = Column(Unicode(255), nullable=False)
+    flavor_text = Column(Unicode(64), nullable=False)
     effect = Column(Unicode(255), nullable=False)
 
 class EggGroup(TableBase):
@@ -33,23 +40,23 @@ class EggGroup(TableBase):
     name = Column(Unicode(16), nullable=False)
 
 class Encounter(TableBase):
-    """Rows in this table represent encounters with wild Pokémon.
+    """Rows in this table represent encounters with wild Pokémon.  Bear with
+    me, here.
 
     Within a given area in a given game, encounters are differentiated by the
-    slot they are in and a world condition.
+    "slot" they are in and the state of the game world.
 
-    Groups of slots belong to encounter types; these are what the player is
-    doing to get an encounter, such as surfing or walking through tall grass.
+    What the player is doing to get an encounter, such as surfing or walking
+    through tall grass, is called terrain.  Each terrain has its own set of
+    encounter slots.
 
-    Within an encounter type, slots are defined primarily by rarity.  Each slot
-    can also be affected by a world condition; for example, the 20% slot for
-    walking in tall grass is affected by whether a swarm is in effect in the
-    areas.  "There is a swarm" and "there is not a swarm" are conditions, and
-    together they make a condition group.  However, since "not a swarm" is a
-    base state rather than any sort of new state, it is omitted and instead
-    referred to by a NULL.
+    Within a terrain, slots are defined primarily by rarity.  Each slot can
+    also be affected by world conditions; for example, the 20% slot for walking
+    in tall grass is affected by whether a swarm is in effect in that area.
+    "Is there a swarm?" is a condition; "there is a swarm" and "there is not a
+    swarm" are the possible values of this condition.
 
-    A slot (20% walking in grass) and single world condition (NULL, i.e. no
+    A slot (20% walking in grass) and any appropriate world conditions (no
     swarm) are thus enough to define a specific encounter.
     
     Well, okay, almost: each slot actually appears twice.
@@ -59,57 +66,68 @@ class Encounter(TableBase):
     id = Column(Integer, primary_key=True, nullable=False)
     version_id = Column(Integer, ForeignKey('versions.id'), nullable=False, autoincrement=False)
     location_area_id = Column(Integer, ForeignKey('location_areas.id'), nullable=False, autoincrement=False)
-    encounter_type_slot_id = Column(Integer, ForeignKey('encounter_type_slots.id'), nullable=False, autoincrement=False)
-    encounter_condition_id = Column(Integer, ForeignKey('encounter_conditions.id'), nullable=True, autoincrement=False)
+    encounter_slot_id = Column(Integer, ForeignKey('encounter_slots.id'), nullable=False, autoincrement=False)
     pokemon_id = Column(Integer, ForeignKey('pokemon.id'), nullable=False, autoincrement=False)
     min_level = Column(Integer, nullable=False, autoincrement=False)
     max_level = Column(Integer, nullable=False, autoincrement=False)
 
 class EncounterCondition(TableBase):
-    """Rows in this table represent something different about the world that
-    can affect what Pokémon are encountered.
+    """Rows in this table represent varying conditions in the game world, such
+    as time of day.
     """
 
     __tablename__ = 'encounter_conditions'
     id = Column(Integer, primary_key=True, nullable=False)
-    encounter_condition_group_id = Column(Integer, ForeignKey('encounter_condition_groups.id'), primary_key=False, nullable=False, autoincrement=False)
     name = Column(Unicode(64), nullable=False)
 
-class EncounterConditionGroup(TableBase):
-    """Rows in this table represent a group of mutually exclusive conditions,
-    such as morning/day/night.  "Conditions" that are part of the default state
-    of the world, such as "not during a swarm" or "not using the PokéRadar",
-    are not included in this table and are referred to by NULLs in other
-    tables.
+class EncounterConditionValue(TableBase):
+    """Rows in this table represent possible states for a condition; for
+    example, the state of 'swarm' could be 'swarm' or 'no swarm'.
     """
 
-    __tablename__ = 'encounter_condition_groups'
+    __tablename__ = 'encounter_condition_values'
     id = Column(Integer, primary_key=True, nullable=False)
+    encounter_condition_id = Column(Integer, ForeignKey('encounter_conditions.id'), primary_key=False, nullable=False, autoincrement=False)
     name = Column(Unicode(64), nullable=False)
+    is_default = Column(Boolean, nullable=False)
+
+class EncounterConditionValueMap(TableBase):
+    """Maps encounters to the specific conditions under which they occur."""
+
+    __tablename__ = 'encounter_condition_value_map'
+    encounter_id = Column(Integer, ForeignKey('encounters.id'), primary_key=True, nullable=False, autoincrement=False)
+    encounter_condition_value_id = Column(Integer, ForeignKey('encounter_condition_values.id'), primary_key=True, nullable=False, autoincrement=False)
 
-class EncounterType(TableBase):
-    """Rows in this table represent ways the player can enter a wild encounter;
-    i.e. surfing, fishing, or walking through tall grass.
+class EncounterTerrain(TableBase):
+    """Rows in this table represent ways the player can enter a wild encounter,
+    e.g., surfing, fishing, or walking through tall grass.
     """
 
-    __tablename__ = 'encounter_types'
+    __tablename__ = 'encounter_terrain'
     id = Column(Integer, primary_key=True, nullable=False)
     name = Column(Unicode(64), nullable=False)
 
-class EncounterTypeSlot(TableBase):
-    """Rows in this table represent an abstract "slot" within an encounter
-    type, associated with both a condition group and a rarity.
+class EncounterSlot(TableBase):
+    """Rows in this table represent an abstract "slot" within a terrain,
+    associated with both some set of conditions and a rarity.
 
     Note that there are two encounters per slot, so the rarities will only add
     up to 50.
     """
 
-    __tablename__ = 'encounter_type_slots'
+    __tablename__ = 'encounter_slots'
     id = Column(Integer, primary_key=True, nullable=False)
-    encounter_type_id = Column(Integer, ForeignKey('encounter_types.id'), primary_key=False, nullable=False, autoincrement=False)
-    encounter_condition_group_id = Column(Integer, ForeignKey('encounter_condition_groups.id'), primary_key=False, nullable=True, autoincrement=False)
+    version_group_id = Column(Integer, ForeignKey('version_groups.id'), nullable=False, autoincrement=False)
+    encounter_terrain_id = Column(Integer, ForeignKey('encounter_terrain.id'), primary_key=False, nullable=False, autoincrement=False)
     rarity = Column(Integer, nullable=False, autoincrement=False)
 
+class EncounterSlotCondition(TableBase):
+    """Lists all conditions that affect each slot."""
+
+    __tablename__ = 'encounter_slot_conditions'
+    encounter_slot_id = Column(Integer, ForeignKey('encounter_slots.id'), primary_key=True, nullable=False, autoincrement=False)
+    encounter_condition_id = Column(Integer, ForeignKey('encounter_conditions.id'), primary_key=True, nullable=False, autoincrement=False)
+
 class EvolutionChain(TableBase):
     __tablename__ = 'evolution_chains'
     id = Column(Integer, primary_key=True, nullable=False)
@@ -126,8 +144,8 @@ class EvolutionMethod(TableBase):
 class Generation(TableBase):
     __tablename__ = 'generations'
     id = Column(Integer, primary_key=True, nullable=False)
+    main_region_id = Column(Integer, ForeignKey('regions.id'))
     name = Column(Unicode(16), nullable=False)
-    main_region = Column(Unicode(16), nullable=False)
 
 class GrowthRate(TableBase):
     """`formula` is written in LaTeX math notation."""
@@ -138,18 +156,21 @@ class GrowthRate(TableBase):
 
 class Item(TableBase):
     __tablename__ = 'items'
+    __singlename__ = 'item'
     id = Column(Integer, primary_key=True, nullable=False)
     name = Column(Unicode(16), nullable=False)
 
 class Language(TableBase):
     __tablename__ = 'languages'
     id = Column(Integer, primary_key=True, nullable=False)
+    iso3166 = Column(Unicode(2), nullable=False)
     name = Column(Unicode(16), nullable=False)
 
 class Location(TableBase):
     __tablename__ = 'locations'
+    __singlename__ = 'location'
     id = Column(Integer, primary_key=True, nullable=False)
-    generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False)
+    region_id = Column(Integer, ForeignKey('regions.id'))
     name = Column(Unicode(64), nullable=False)
 
 class LocationArea(TableBase):
@@ -159,12 +180,30 @@ class LocationArea(TableBase):
     internal_id = Column(Integer, nullable=False)
     name = Column(Unicode(64), nullable=True)
 
+class LocationAreaEncounterRate(TableBase):
+    __tablename__ = 'location_area_encounter_rates'
+    location_area_id = Column(Integer, ForeignKey('location_areas.id'), primary_key=True, nullable=False, autoincrement=False)
+    encounter_type_id = Column(Integer, ForeignKey('encounter_terrain.id'), primary_key=True, nullable=False, autoincrement=False)
+    rate = Column(Integer, nullable=True)
+
 class Machine(TableBase):
     __tablename__ = 'machines'
     machine_number = Column(Integer, primary_key=True, nullable=False, autoincrement=False)
-    generation_id = Column(Integer, ForeignKey('generations.id'), primary_key=True, nullable=False, autoincrement=False)
+    version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, nullable=False, autoincrement=False)
     move_id = Column(Integer, ForeignKey('moves.id'), nullable=False)
 
+class MoveEffectCategory(TableBase):
+    __tablename__ = 'move_effect_categories'
+    id = Column(Integer, primary_key=True, nullable=False)
+    name = Column(Unicode(64), nullable=False)
+    can_affect_user = Column(Boolean, nullable=False)
+
+class MoveEffectCategoryMap(TableBase):
+    __tablename__ = 'move_effect_category_map'
+    move_effect_id = Column(Integer, ForeignKey('move_effects.id'), primary_key=True, nullable=False)
+    move_effect_category_id = Column(Integer, ForeignKey('move_effect_categories.id'), primary_key=True, nullable=False)
+    affects_user = Column(Boolean, primary_key=True, nullable=False)
+
 class MoveDamageClass(TableBase):
     __tablename__ = 'move_damage_classes'
     id = Column(Integer, primary_key=True, nullable=False)
@@ -175,9 +214,32 @@ class MoveEffect(TableBase):
     __tablename__ = 'move_effects'
     id = Column(Integer, primary_key=True, nullable=False)
     priority = Column(SmallInteger, nullable=False)
-    short_effect = Column(Unicode(128), nullable=False)
+    short_effect = Column(Unicode(256), nullable=False)
     effect = Column(Unicode(5120), nullable=False)
 
+class MoveFlag(TableBase):
+    __tablename__ = 'move_flags'
+    move_id = Column(Integer, ForeignKey('moves.id'), primary_key=True, nullable=False, autoincrement=False)
+    move_flag_type_id = Column(Integer, ForeignKey('move_flag_types.id'), primary_key=True, nullable=False, autoincrement=False)
+
+class MoveFlagType(TableBase):
+    __tablename__ = 'move_flag_types'
+    id = Column(Integer, primary_key=True, nullable=False)
+    name = Column(Unicode(32), nullable=False)
+    description = Column(rst.RstTextColumn(128), nullable=False)
+
+class MoveFlavorText(TableBase):
+    __tablename__ = 'move_flavor_text'
+    move_id = Column(Integer, ForeignKey('moves.id'), primary_key=True, nullable=False, autoincrement=False)
+    generation_id = Column(Integer, ForeignKey('generations.id'), primary_key=True, nullable=False, autoincrement=False)
+    flavor_text = Column(Unicode(255), nullable=False)
+
+class MoveName(TableBase):
+    __tablename__ = 'move_names'
+    move_id = Column(Integer, ForeignKey('moves.id'), primary_key=True, nullable=False, autoincrement=False)
+    language_id = Column(Integer, ForeignKey('languages.id'), primary_key=True, nullable=False, autoincrement=False)
+    name = Column(Unicode(16), nullable=False)
+
 class MoveTarget(TableBase):
     __tablename__ = 'move_targets'
     id = Column(Integer, primary_key=True, nullable=False)
@@ -186,6 +248,7 @@ class MoveTarget(TableBase):
 
 class Move(TableBase):
     __tablename__ = 'moves'
+    __singlename__ = 'move'
     id = Column(Integer, primary_key=True, nullable=False)
     name = Column(Unicode(12), nullable=False)
     generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False)
@@ -199,7 +262,7 @@ class Move(TableBase):
     effect_chance = Column(Integer)
     contest_type = Column(Unicode(8), nullable=False)
     contest_effect_id = Column(Integer, ForeignKey('contest_effects.id'), nullable=True)
-    super_contest_effect_id = Column(Integer, nullable=False)
+    super_contest_effect_id = Column(Integer, ForeignKey('super_contest_effects.id'), nullable=False)
 
 class Pokemon(TableBase):
     """The core to this whole mess.
@@ -211,6 +274,7 @@ class Pokemon(TableBase):
     purely cosmetic forms like Unown.
     """
     __tablename__ = 'pokemon'
+    __singlename__ = 'pokemon'
     id = Column(Integer, primary_key=True, nullable=False)
     name = Column(Unicode(20), nullable=False)
     forme_name = Column(Unicode(16))
@@ -298,6 +362,7 @@ class PokemonFormSprite(TableBase):
     __tablename__ = 'pokemon_form_sprites'
     id = Column(Integer, primary_key=True, nullable=False)
     pokemon_id = Column(Integer, ForeignKey('pokemon.id'), primary_key=True, nullable=False, autoincrement=False)
+    introduced_in_version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, nullable=False, autoincrement=False)
     name = Column(Unicode(16), nullable=True)
 
 class PokemonItem(TableBase):
@@ -347,11 +412,28 @@ class PokemonType(TableBase):
     type_id = Column(Integer, ForeignKey('types.id'), nullable=False)
     slot = Column(Integer, primary_key=True, nullable=False, autoincrement=False)
 
+class Region(TableBase):
+    """Major areas of the world: Kanto, Johto, etc."""
+    __tablename__ = 'regions'
+    id = Column(Integer, primary_key=True, nullable=False)
+    name = Column(Unicode(16), nullable=False)
+
 class Stat(TableBase):
     __tablename__ = 'stats'
     id = Column(Integer, primary_key=True, nullable=False)
     name = Column(Unicode(16), nullable=False)
 
+class SuperContestCombo(TableBase):
+    __tablename__ = 'super_contest_combos'
+    first_move_id = Column(Integer, ForeignKey('moves.id'), primary_key=True, nullable=False, autoincrement=False)
+    second_move_id = Column(Integer, ForeignKey('moves.id'), primary_key=True, nullable=False, autoincrement=False)
+
+class SuperContestEffect(TableBase):
+    __tablename__ = 'super_contest_effects'
+    id = Column(Integer, primary_key=True, nullable=False)
+    appeal = Column(SmallInteger, nullable=False)
+    flavor_text = Column(Unicode(64), nullable=False)
+
 class TypeEfficacy(TableBase):
     __tablename__ = 'type_efficacy'
     damage_type_id = Column(Integer, ForeignKey('types.id'), primary_key=True, nullable=False, autoincrement=False)
@@ -360,15 +442,23 @@ class TypeEfficacy(TableBase):
 
 class Type(TableBase):
     __tablename__ = 'types'
+    __singlename__ = 'type'
     id = Column(Integer, primary_key=True, nullable=False)
     name = Column(Unicode(8), nullable=False)
     abbreviation = Column(Unicode(3), nullable=False)
+    generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False)
+    damage_class_id = Column(Integer, ForeignKey('move_damage_classes.id'), nullable=False) ## ??? is none; everything else is physical or special
 
 class VersionGroup(TableBase):
     __tablename__ = 'version_groups'
     id = Column(Integer, primary_key=True, nullable=False)
     generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False)
 
+class VersionGroupRegion(TableBase):
+    __tablename__ = 'version_group_regions'
+    version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, nullable=False)
+    region_id = Column(Integer, ForeignKey('regions.id'), primary_key=True, nullable=False)
+
 class Version(TableBase):
     __tablename__ = 'versions'
     id = Column(Integer, primary_key=True, nullable=False)
@@ -377,35 +467,71 @@ class Version(TableBase):
 
 
 ### Relations down here, to avoid ordering problems
+ContestCombo.first = relation(Move, primaryjoin=ContestCombo.first_move_id==Move.id,
+                                    backref='contest_combo_first')
+ContestCombo.second = relation(Move, primaryjoin=ContestCombo.second_move_id==Move.id,
+                                     backref='contest_combo_second')
+
+Encounter.location_area = relation(LocationArea, backref='encounters')
 Encounter.pokemon = relation(Pokemon, backref='encounters')
 Encounter.version = relation(Version, backref='encounters')
-Encounter.location_area = relation(LocationArea, backref='encounters')
-Encounter.slot = relation(EncounterTypeSlot, backref='encounters')
-Encounter.condition = relation(EncounterCondition, backref='encounters')
+Encounter.slot = relation(EncounterSlot, backref='encounters')
 
-EncounterCondition.group = relation(EncounterConditionGroup,
-                                    backref='conditions')
+EncounterConditionValue.condition = relation(EncounterCondition, backref='values')
 
-EncounterTypeSlot.type = relation(EncounterType, backref='slots')
+Encounter.condition_value_map = relation(EncounterConditionValueMap, backref='encounter')
+Encounter.condition_values = association_proxy('condition_value_map', 'condition_value')
+EncounterConditionValueMap.condition_value = relation(EncounterConditionValue,
+                                                      backref='encounter_map')
+
+EncounterSlot.terrain = relation(EncounterTerrain, backref='slots')
+
+EncounterSlot.condition_map = relation(EncounterSlotCondition, backref='slot')
+EncounterSlot.conditions = association_proxy('condition_map', 'condition')
+EncounterSlotCondition.condition = relation(EncounterCondition,
+                                            backref='slot_map')
 
 EvolutionChain.growth_rate = relation(GrowthRate, backref='evolution_chains')
 
 Generation.versions = relation(Version, secondary=VersionGroup.__table__)
+Generation.main_region = relation(Region)
+
+Location.region = relation(Region, backref='locations')
 
 LocationArea.location = relation(Location, backref='areas')
 
-Machine.generation = relation(Generation)
+Machine.version_group = relation(VersionGroup)
 
+Move.contest_effect = relation(ContestEffect, backref='moves')
+Move.contest_combo_next = association_proxy('contest_combo_first', 'second')
+Move.contest_combo_prev = association_proxy('contest_combo_second', 'first')
 Move.damage_class = relation(MoveDamageClass, backref='moves')
-Move.move_effect = relation(MoveEffect, backref='moves')
+Move.flags = association_proxy('move_flags', 'flag')
+Move.flavor_text = relation(MoveFlavorText, order_by=MoveFlavorText.generation_id, backref='move')
+Move.foreign_names = relation(MoveName, backref='pokemon')
 Move.generation = relation(Generation, backref='moves')
 Move.machines = relation(Machine, backref='move')
+Move.move_effect = relation(MoveEffect, backref='moves')
+Move.move_flags = relation(MoveFlag, backref='move')
+Move.super_contest_effect = relation(SuperContestEffect, backref='moves')
+Move.super_contest_combo_next = association_proxy('super_contest_combo_first', 'second')
+Move.super_contest_combo_prev = association_proxy('super_contest_combo_second', 'first')
 Move.target = relation(MoveTarget, backref='moves')
 Move.type = relation(Type, backref='moves')
 
-Move.effect = rst.MoveEffectProperty()
+Move.effect = rst.MoveEffectProperty('effect')
 Move.priority = association_proxy('move_effect', 'priority')
-Move.short_effect = association_proxy('move_effect', 'short_effect')
+Move.short_effect = rst.MoveEffectProperty('short_effect')
+
+MoveEffect.category_map = relation(MoveEffectCategoryMap)
+MoveEffect.categories = association_proxy('category_map', 'category')
+MoveEffectCategoryMap.category = relation(MoveEffectCategory)
+
+MoveFlag.flag = relation(MoveFlagType)
+
+MoveFlavorText.generation = relation(Generation)
+
+MoveName.language = relation(Language)
 
 Pokemon.abilities = relation(Ability, secondary=PokemonAbility.__table__,
                                       order_by=PokemonAbility.slot,
@@ -422,7 +548,7 @@ Pokemon.evolution_method = relation(EvolutionMethod)
 Pokemon.evolution_children = relation(Pokemon, primaryjoin=Pokemon.id==Pokemon.evolution_parent_pokemon_id,
                                                backref=backref('evolution_parent',
                                                                remote_side=[Pokemon.id]))
-Pokemon.flavor_text = relation(PokemonFlavorText, backref='pokemon')
+Pokemon.flavor_text = relation(PokemonFlavorText, order_by=PokemonFlavorText.pokemon_id, backref='pokemon')
 Pokemon.foreign_names = relation(PokemonName, backref='pokemon')
 Pokemon.items = relation(PokemonItem)
 Pokemon.generation = relation(Generation, backref='pokemon')
@@ -440,9 +566,15 @@ PokemonItem.version = relation(Version)
 PokemonFormGroup.pokemon = relation(Pokemon, backref=backref('form_group',
                                                              uselist=False))
 PokemonFormSprite.pokemon = relation(Pokemon, backref='form_sprites')
+PokemonFormSprite.introduced_in = relation(VersionGroup)
 
 PokemonMove.pokemon = relation(Pokemon, backref='pokemon_moves')
 PokemonMove.version_group = relation(VersionGroup)
+PokemonMove.machine = relation(Machine, backref='pokemon_moves',
+                               primaryjoin=and_(Machine.version_group_id==PokemonMove.version_group_id,
+                                                Machine.move_id==PokemonMove.move_id),
+                                foreign_keys=[Machine.version_group_id, Machine.move_id],
+                                uselist=False)
 PokemonMove.move = relation(Move, backref='pokemon_moves')
 PokemonMove.method = relation(PokemonMoveMethod)
 
@@ -450,6 +582,17 @@ PokemonName.language = relation(Language)
 
 PokemonStat.stat = relation(Stat)
 
+# This is technically a has-many; Generation.main_region_id -> Region.id
+Region.generation = relation(Generation, uselist=False)
+Region.version_group_regions = relation(VersionGroupRegion, backref='region',
+                                        order_by='VersionGroupRegion.version_group_id')
+Region.version_groups = association_proxy('version_group_regions', 'version_group')
+
+SuperContestCombo.first = relation(Move, primaryjoin=SuperContestCombo.first_move_id==Move.id,
+                                        backref='super_contest_combo_first')
+SuperContestCombo.second = relation(Move, primaryjoin=SuperContestCombo.second_move_id==Move.id,
+                                         backref='super_contest_combo_second')
+
 Type.damage_efficacies = relation(TypeEfficacy,
                                   primaryjoin=Type.id
                                       ==TypeEfficacy.damage_type_id,
@@ -459,7 +602,12 @@ Type.target_efficacies = relation(TypeEfficacy,
                                       ==TypeEfficacy.target_type_id,
                                   backref='target_type')
 
+Type.generation = relation(Generation, backref='types')
+Type.damage_class = relation(MoveDamageClass, backref='types')
+
 Version.version_group = relation(VersionGroup, backref='versions')
 Version.generation = association_proxy('version_group', 'generation')
 
 VersionGroup.generation = relation(Generation, backref='version_groups')
+VersionGroup.version_group_regions = relation(VersionGroupRegion, backref='version_group')
+VersionGroup.regions = association_proxy('version_group_regions', 'region')