X-Git-Url: http://git.veekun.com/zzz-pokedex.git/blobdiff_plain/fe7fe27d1e5df6918fb9cf11d64686f85948c564..cfa8ca3c4c5718d724ec7a7a11d438af585a35e7:/pokedex/db/tables.py?ds=inline

diff --git a/pokedex/db/tables.py b/pokedex/db/tables.py
index d9905b6..928c7ee 100644
--- a/pokedex/db/tables.py
+++ b/pokedex/db/tables.py
@@ -32,7 +32,7 @@ from sqlalchemy.ext.associationproxy import association_proxy
 from sqlalchemy.orm import backref, relation
 from sqlalchemy.orm.session import Session
 from sqlalchemy.orm.interfaces import AttributeExtension
-from sqlalchemy.sql import and_
+from sqlalchemy.sql import and_, or_
 from sqlalchemy.schema import ColumnDefault
 from sqlalchemy.types import *
 
@@ -62,6 +62,9 @@ class TableSuperclass(object):
     def __str__(self):
         return unicode(self).encode('utf8')
 
+    def __repr__(self):
+        return unicode(self).encode('utf8')
+
 mapped_classes = []
 class TableMetaclass(DeclarativeMeta):
     def __init__(cls, name, bases, attrs):
@@ -81,7 +84,7 @@ class Language(TableBase):
     """
     __tablename__ = 'languages'
     __singlename__ = 'language'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     iso639 = Column(Unicode(2), nullable=False,
         info=dict(description="The two-letter code of the country where this language is spoken. Note that it is not unique.", format='identifier'))
@@ -108,7 +111,7 @@ class Ability(TableBase):
     """
     __tablename__ = 'abilities'
     __singlename__ = 'ability'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="This ability's unique ID; matches the games' internal ID"))
     identifier = Column(Unicode(24), nullable=False,
         info=dict(description="An identifier", format='identifier'))
@@ -121,9 +124,9 @@ create_translation_table('ability_names', Ability, 'names',
         info=dict(description="The name", format='plaintext', official=True, ripped=True)),
 )
 create_translation_table('ability_prose', Ability, 'prose',
-    effect = Column(markdown.MarkdownColumn(5120), nullable=False,
+    effect = Column(markdown.MarkdownColumn(5120), nullable=True,
         info=dict(description="A detailed description of this ability's effect", format='markdown')),
-    short_effect = Column(markdown.MarkdownColumn(255), nullable=False,
+    short_effect = Column(markdown.MarkdownColumn(512), nullable=True,
         info=dict(description="A short summary of this ability's effect", format='markdown')),
 )
 
@@ -131,7 +134,7 @@ class AbilityChangelog(TableBase):
     """History of changes to abilities across main game versions."""
     __tablename__ = 'ability_changelog'
     __singlename__ = 'ability_changelog'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="This change's unique ID"))
     ability_id = Column(Integer, ForeignKey('abilities.id'), nullable=False,
         info=dict(description="The ID of the ability that changed"))
@@ -151,7 +154,7 @@ class AbilityFlavorText(TableBase):
         info=dict(description="The ID of the ability"))
     version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, nullable=False, autoincrement=False,
         info=dict(description="The ID of the version group this flavor text is taken from"))
-    language_id = Column(Integer, ForeignKey('languages.id'), primary_key=True, nullable=False, autoincrement=False,
+    language_id = Column(Integer, ForeignKey('languages.id'), primary_key=True, nullable=False,
         info=dict(description="The language"))
     flavor_text = Column(Unicode(64), nullable=False,
         info=dict(description="The actual flavor text", official=True, format='gametext'))
@@ -162,7 +165,7 @@ class Berry(TableBase):
     For data common to all items, such as the name, see the corresponding item entry.
     """
     __tablename__ = 'berries'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="This Berry's in-game number"))
     item_id = Column(Integer, ForeignKey('items.id'), nullable=False,
         info=dict(description="The ID of the item that represents this Berry"))
@@ -188,7 +191,7 @@ class BerryFirmness(TableBase):
     """
     __tablename__ = 'berry_firmness'
     __singlename__ = 'berry_firmness'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A unique ID for this firmness"))
     identifier = Column(Unicode(10), nullable=False,
         info=dict(description="An identifier", format='identifier'))
@@ -224,7 +227,7 @@ class ContestEffect(TableBase):
     """
     __tablename__ = 'contest_effects'
     __singlename__ = 'contest_effect'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A unique ID for this effect"))
     appeal = Column(SmallInteger, nullable=False,
         info=dict(description="The base number of hearts the user of this move gets"))
@@ -232,9 +235,9 @@ class ContestEffect(TableBase):
         info=dict(description="The base number of hearts the user's opponent loses"))
 
 create_translation_table('contest_effect_prose', ContestEffect, 'prose',
-    flavor_text = Column(Unicode(64), nullable=False,
+    flavor_text = Column(Unicode(64), nullable=True,
         info=dict(description="The in-game description of this effect", official=True, format='gametext')),
-    effect = Column(Unicode(255), nullable=False,
+    effect = Column(Unicode(255), nullable=True,
         info=dict(description="A detailed description of the effect", format='plaintext')),
 )
 
@@ -243,18 +246,18 @@ class ContestType(TableBase):
     """
     __tablename__ = 'contest_types'
     __singlename__ = 'contest_type'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A unique ID for this Contest type"))
     identifier = Column(Unicode(6), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 
 create_translation_table('contest_type_names', ContestType, 'names',
     relation_lazy='joined',
-    name = Column(Unicode(6), nullable=False, index=True,
+    name = Column(Unicode(6), nullable=True, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
-    flavor = Column(Unicode(6), nullable=False,
+    flavor = Column(Unicode(6), nullable=True,
         info=dict(description="The name of the corresponding Berry flavor", official=True, format='plaintext')),
-    color = Column(Unicode(6), nullable=False,
+    color = Column(Unicode(6), nullable=True,
         info=dict(description=u"The name of the corresponding Pokéblock color", official=True, format='plaintext')),
 )
 
@@ -265,7 +268,7 @@ class EggGroup(TableBase):
     """
     __tablename__ = 'egg_groups'
     __singlename__ = 'egg_group'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A unique ID for this group"))
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description=u"An identifier.", format='identifier'))
@@ -285,10 +288,10 @@ class Encounter(TableBase):
     "slot" they are in and the state of the game world.
 
     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
+    through tall grass, is called a method.  Each method has its own set of
     encounter slots.
 
-    Within a terrain, slots are defined primarily by rarity.  Each slot can
+    Within a method, 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
@@ -301,14 +304,14 @@ class Encounter(TableBase):
     """
 
     __tablename__ = 'encounters'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A unique ID for this encounter"))
     version_id = Column(Integer, ForeignKey('versions.id'), nullable=False, autoincrement=False,
         info=dict(description="The ID of the version this applies to"))
     location_area_id = Column(Integer, ForeignKey('location_areas.id'), nullable=False, autoincrement=False,
         info=dict(description="The ID of the location of this encounter"))
     encounter_slot_id = Column(Integer, ForeignKey('encounter_slots.id'), nullable=False, autoincrement=False,
-        info=dict(description="The ID of the encounter slot, which determines terrain and rarity"))
+        info=dict(description="The ID of the encounter slot, which determines method and rarity"))
     pokemon_id = Column(Integer, ForeignKey('pokemon.id'), nullable=False, autoincrement=False,
         info=dict(description=u"The ID of the encountered Pokémon"))
     min_level = Column(Integer, nullable=False, autoincrement=False,
@@ -322,7 +325,7 @@ class EncounterCondition(TableBase):
 
     __tablename__ = 'encounter_conditions'
     __singlename__ = 'encounter_condition'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A unique ID for this condition"))
     identifier = Column(Unicode(64), nullable=False,
         info=dict(description="An identifier", format='identifier'))
@@ -338,7 +341,7 @@ class EncounterConditionValue(TableBase):
 
     __tablename__ = 'encounter_condition_values'
     __singlename__ = 'encounter_condition_value'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     encounter_condition_id = Column(Integer, ForeignKey('encounter_conditions.id'), primary_key=False, nullable=False, autoincrement=False,
         info=dict(description="The ID of the encounter condition this is a value of"))
@@ -361,46 +364,46 @@ class EncounterConditionValueMap(TableBase):
     encounter_condition_value_id = Column(Integer, ForeignKey('encounter_condition_values.id'), primary_key=True, nullable=False, autoincrement=False,
         info=dict(description="The ID of the encounter condition value"))
 
+class EncounterMethod(TableBase):
+    u"""A way the player can enter a wild encounter, e.g., surfing, fishing, or walking through tall grass.
+    """
+
+    __tablename__ = 'encounter_methods'
+    __singlename__ = 'encounter_method'
+    id = Column(Integer, primary_key=True, nullable=False,
+        info=dict(description="A unique ID for the method"))
+    identifier = Column(Unicode(16), nullable=False, unique=True,
+        info=dict(description="An identifier", format='identifier'))
+
+create_translation_table('encounter_method_prose', EncounterMethod, 'prose',
+    name = Column(Unicode(64), nullable=False, index=True,
+        info=dict(description="The name", format='plaintext', official=False)),
+)
+
 class EncounterSlot(TableBase):
-    u"""An abstract "slot" within a terrain, associated with both some set of conditions and a rarity.
+    u"""An abstract "slot" within a method, 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_slots'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A unique ID for this slot"))
     version_group_id = Column(Integer, ForeignKey('version_groups.id'), nullable=False, autoincrement=False,
         info=dict(description="The ID of the version group this slot is in"))
-    encounter_terrain_id = Column(Integer, ForeignKey('encounter_terrain.id'), primary_key=False, nullable=False, autoincrement=False,
-        info=dict(description="The ID of the terrain"))
+    encounter_method_id = Column(Integer, ForeignKey('encounter_methods.id'), primary_key=False, nullable=False, autoincrement=False,
+        info=dict(description="The ID of the method"))
     slot = Column(Integer, nullable=True,
-        info=dict(description="This slot's order for the location and terrain"))
-    rarity = Column(Integer, nullable=False,
+        info=dict(description="This slot's order for the location and method"))
+    rarity = Column(Integer, nullable=True,
         info=dict(description="The chance of the encounter as a percentage"))
 
-class EncounterTerrain(TableBase):
-    u"""A way the player can enter a wild encounter, e.g., surfing, fishing, or walking through tall grass.
-    """
-
-    __tablename__ = 'encounter_terrain'
-    __singlename__ = __tablename__
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
-        info=dict(description="A unique ID for the terrain"))
-    identifier = Column(Unicode(64), nullable=False,
-        info=dict(description="An identifier", format='identifier'))
-
-create_translation_table('encounter_terrain_prose', EncounterTerrain, 'prose',
-    name = Column(Unicode(64), nullable=False, index=True,
-        info=dict(description="The name", format='plaintext', official=False)),
-)
-
 class EvolutionChain(TableBase):
     u"""A family of Pokémon that are linked by evolution
     """
     __tablename__ = 'evolution_chains'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     growth_rate_id = Column(Integer, ForeignKey('growth_rates.id'), nullable=False,
         info=dict(description="ID of the growth rate for this family"))
@@ -412,7 +415,7 @@ class EvolutionTrigger(TableBase):
     """
     __tablename__ = 'evolution_triggers'
     __singlename__ = 'evolution_trigger'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description="An identifier", format='identifier'))
@@ -426,7 +429,7 @@ class Experience(TableBase):
     u"""EXP needed for a certain level with a certain growth rate
     """
     __tablename__ = 'experience'
-    growth_rate_id = Column(Integer, ForeignKey('growth_rates.id'), primary_key=True, nullable=False, autoincrement=False,
+    growth_rate_id = Column(Integer, ForeignKey('growth_rates.id'), primary_key=True, nullable=False,
         info=dict(description="ID of the growth rate"))
     level = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
         info=dict(description="The level"))
@@ -438,7 +441,7 @@ class Generation(TableBase):
     """
     __tablename__ = 'generations'
     __singlename__ = 'generation'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     main_region_id = Column(Integer, ForeignKey('regions.id'), nullable=False,
         info=dict(description="ID of the region this generation's main games take place in"))
@@ -458,7 +461,7 @@ class GrowthRate(TableBase):
     """
     __tablename__ = 'growth_rates'
     __singlename__ = 'growth_rate'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(20), nullable=False,
         info=dict(description="An identifier", format='identifier'))
@@ -475,7 +478,7 @@ class Item(TableBase):
     """
     __tablename__ = 'items'
     __singlename__ = 'item'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(20), nullable=False,
         info=dict(description="An identifier", format='identifier'))
@@ -500,9 +503,9 @@ create_translation_table('item_names', Item, 'names',
         info=dict(description="The name", format='plaintext', official=True, ripped=True)),
 )
 create_translation_table('item_prose', Item, 'prose',
-    short_effect = Column(markdown.MarkdownColumn(256), nullable=False,
-        info=dict(description="A short summary of the effect", format='plaintext')),
-    effect = Column(markdown.MarkdownColumn(5120), nullable=False,
+    short_effect = Column(markdown.MarkdownColumn(256), nullable=True,
+        info=dict(description="A short summary of the effect", format='markdown')),
+    effect = Column(markdown.MarkdownColumn(5120), nullable=True,
         info=dict(description=u"Detailed description of the item's effect.", format='markdown')),
 )
 create_translation_table('item_flavor_summaries', Item, 'flavor_summaries',
@@ -516,7 +519,7 @@ class ItemCategory(TableBase):
     # XXX: This is fanon, right?
     __tablename__ = 'item_categories'
     __singlename__ = 'item_category'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     pocket_id = Column(Integer, ForeignKey('item_pockets.id'), nullable=False,
         info=dict(description="ID of the pocket these items go to"))
@@ -534,15 +537,15 @@ class ItemFlag(TableBase):
     """
     __tablename__ = 'item_flags'
     __singlename__ = 'item_flag'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(24), nullable=False,
         info=dict(description="Identifier of the flag", format='identifier'))
 
 create_translation_table('item_flag_prose', ItemFlag, 'prose',
-    name = Column(Unicode(24), nullable=False, index=True,
+    name = Column(Unicode(24), nullable=True, index=True,
         info=dict(description="The name", format='plaintext', official=False)),
-    description = Column(Unicode(64), nullable=False,
+    description = Column(Unicode(64), nullable=True,
         info=dict(description="Short description of the flag", format='plaintext')),
 )
 
@@ -565,7 +568,7 @@ class ItemFlavorText(TableBase):
         info=dict(description="The ID of the item"))
     version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, autoincrement=False, nullable=False,
         info=dict(description="ID of the version group that sports this text"))
-    language_id = Column(Integer, ForeignKey('languages.id'), primary_key=True, nullable=False, autoincrement=False,
+    language_id = Column(Integer, ForeignKey('languages.id'), primary_key=True, nullable=False,
         info=dict(description="The language"))
     flavor_text = Column(Unicode(255), nullable=False,
         info=dict(description="The flavor text itself", official=True, format='gametext'))
@@ -575,7 +578,7 @@ class ItemFlingEffect(TableBase):
     """
     __tablename__ = 'item_fling_effects'
     __singlename__ = 'item_fling_effect'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
 
 create_translation_table('item_fling_effect_prose', ItemFlingEffect, 'prose',
@@ -599,7 +602,7 @@ class ItemPocket(TableBase):
     """
     __tablename__ = 'item_pockets'
     __singlename__ = 'item_pocket'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description="An identifier of this pocket", format='identifier'))
@@ -615,7 +618,7 @@ class Location(TableBase):
     """
     __tablename__ = 'locations'
     __singlename__ = 'location'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     region_id = Column(Integer, ForeignKey('regions.id'),
         info=dict(description="ID of the region this location is in"))
@@ -633,7 +636,7 @@ class LocationArea(TableBase):
     """
     __tablename__ = 'location_areas'
     __singlename__ = 'location_area'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     location_id = Column(Integer, ForeignKey('locations.id'), nullable=False,
         info=dict(description="ID of the location this area is part of"))
@@ -653,8 +656,8 @@ class LocationAreaEncounterRate(TableBase):
     __tablename__ = 'location_area_encounter_rates'
     location_area_id = Column(Integer, ForeignKey('location_areas.id'), primary_key=True, nullable=False, autoincrement=False,
         info=dict(description="ID of the area"))
-    encounter_terrain_id = Column(Integer, ForeignKey('encounter_terrain.id'), primary_key=True, nullable=False, autoincrement=False,
-        info=dict(description="ID of the terrain"))
+    encounter_method_id = Column(Integer, ForeignKey('encounter_methods.id'), primary_key=True, nullable=False, autoincrement=False,
+        info=dict(description="ID of the method"))
     version_id = Column(Integer, ForeignKey('versions.id'), primary_key=True, autoincrement=False,
         info=dict(description="ID of the version"))
     rate = Column(Integer, nullable=True,
@@ -664,11 +667,11 @@ class LocationGameIndex(TableBase):
     u"""IDs the games use internally for locations
     """
     __tablename__ = 'location_game_indices'
-    location_id = Column(Integer, ForeignKey('locations.id'), nullable=False, primary_key=True, autoincrement=False,
+    location_id = Column(Integer, ForeignKey('locations.id'), nullable=False, primary_key=True,
         info=dict(description="Database ID of the locaion"))
-    generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False, primary_key=True, autoincrement=False,
+    generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False, primary_key=True,
         info=dict(description="ID of the generation this entry to"))
-    game_index = Column(Integer, nullable=False,
+    game_index = Column(Integer, nullable=False, primary_key=True, autoincrement=False,
         info=dict(description="Internal game ID of the location"))
 
 class Machine(TableBase):
@@ -695,7 +698,7 @@ class Move(TableBase):
     """
     __tablename__ = 'moves'
     __singlename__ = 'move'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(24), nullable=False,
         info=dict(description="An identifier", format='identifier'))
@@ -740,7 +743,7 @@ class MoveBattleStyle(TableBase):
     u"""A battle style of a move"""  # XXX: Explain better
     __tablename__ = 'move_battle_styles'
     __singlename__ = 'move_battle_style'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(8), nullable=False,
         info=dict(description="An identifier", format='identifier'))
@@ -755,9 +758,9 @@ class MoveChangelog(TableBase):
     """History of changes to moves across main game versions."""
     __tablename__ = 'move_changelog'
     __singlename__ = 'move_changelog'
-    move_id = Column(Integer, ForeignKey('moves.id'), primary_key=True, nullable=False, autoincrement=False,
+    move_id = Column(Integer, ForeignKey('moves.id'), primary_key=True, nullable=False,
         info=dict(description="ID of the move that changed"))
-    changed_in_version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, nullable=False, autoincrement=False,
+    changed_in_version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, nullable=False,
         info=dict(description="ID of the version group in which the move changed"))
     type_id = Column(Integer, ForeignKey('types.id'), nullable=True,
         info=dict(description="Prior type of the move, or NULL if unchanged"))
@@ -777,16 +780,16 @@ class MoveDamageClass(TableBase):
     """
     __tablename__ = 'move_damage_classes'
     __singlename__ = 'move_damage_class'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 
 create_translation_table('move_damage_class_prose', MoveDamageClass, 'prose',
     relation_lazy='joined',
-    name = Column(Unicode(16), nullable=False, index=True,
+    name = Column(Unicode(16), nullable=True, index=True,
         info=dict(description="The name", format='plaintext', official=False)),
-    description = Column(Unicode(64), nullable=False,
+    description = Column(Unicode(64), nullable=True,
         info=dict(description="A description of the class", format='plaintext')),
 )
 
@@ -795,49 +798,21 @@ class MoveEffect(TableBase):
     """
     __tablename__ = 'move_effects'
     __singlename__ = 'move_effect'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
 
 create_translation_table('move_effect_prose', MoveEffect, 'prose',
-    short_effect = Column(Unicode(256), nullable=False,
+    short_effect = Column(Unicode(256), nullable=True,
         info=dict(description="A short summary of the effect", format='plaintext')),
-    effect = Column(Unicode(5120), nullable=False,
-        info=dict(description="A detailed description of the effect", format='plaintext')),
-)
-
-class MoveEffectCategory(TableBase):
-    u"""Category of a move effect
-    """
-    __tablename__ = 'move_effect_categories'
-    __singlename__ = 'move_effect_category'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
-        info=dict(description="A numeric ID"))
-    identifier = Column(Unicode(64), nullable=False,
-        info=dict(description="An identifier", format='identifier'))
-    can_affect_user = Column(Boolean, nullable=False,
-        info=dict(description="Set if the user can be affected"))
-
-create_translation_table('move_effect_category_prose', MoveEffectCategory, 'prose',
-    name = Column(Unicode(64), nullable=False, index=True,
-        info=dict(description="The name", format='plaintext', official=False)),
+    effect = Column(Unicode(5120), nullable=True,
+        info=dict(description="A detailed description of the effect", format='markdown')),
 )
 
-class MoveEffectCategoryMap(TableBase):
-    u"""Maps a move effect category to a move effect
-    """
-    __tablename__ = 'move_effect_category_map'
-    move_effect_id = Column(Integer, ForeignKey('move_effects.id'), primary_key=True, nullable=False, autoincrement=False,
-        info=dict(description="ID of the move effect"))
-    move_effect_category_id = Column(Integer, ForeignKey('move_effect_categories.id'), primary_key=True, nullable=False, autoincrement=False,
-        info=dict(description="ID of the category"))
-    affects_user = Column(Boolean, primary_key=True, nullable=False, autoincrement=False,
-        info=dict(description="Set if the user is affected"))
-
 class MoveEffectChangelog(TableBase):
     """History of changes to move effects across main game versions."""
     __tablename__ = 'move_effect_changelog'
     __singlename__ = 'move_effect_changelog'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     effect_id = Column(Integer, ForeignKey('move_effects.id'), nullable=False,
         info=dict(description="The ID of the effect that changed"))
@@ -870,16 +845,16 @@ class MoveFlagType(TableBase):
     """
     __tablename__ = 'move_flag_types'
     __singlename__ = 'move_flag_type'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(32), nullable=False,
         info=dict(description="A short identifier for the flag", format='identifier'))
 
 create_translation_table('move_flag_type_prose', MoveFlagType, 'prose',
     relation_lazy='joined',
-    name = Column(Unicode(32), nullable=False, index=True,
+    name = Column(Unicode(32), nullable=True, index=True,
         info=dict(description="The name", format='plaintext', official=False)),
-    description = Column(markdown.MarkdownColumn(128), nullable=False,
+    description = Column(markdown.MarkdownColumn(256), nullable=True,
         info=dict(description="A short description of the flag", format='markdown')),
 )
 
@@ -892,7 +867,7 @@ class MoveFlavorText(TableBase):
         info=dict(description="ID of the move"))
     version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, nullable=False, autoincrement=False,
         info=dict(description="ID of the version group this text appears in"))
-    language_id = Column(Integer, ForeignKey('languages.id'), primary_key=True, nullable=False, autoincrement=False,
+    language_id = Column(Integer, ForeignKey('languages.id'), primary_key=True, nullable=False,
         info=dict(description="The language"))
     flavor_text = Column(Unicode(255), nullable=False,
         info=dict(description="The flavor text", official=True, format='gametext'))
@@ -935,7 +910,7 @@ class MoveMetaAilment(TableBase):
     __singlename__ = 'move_meta_ailment'
     id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
         info=dict(description="A numeric ID"))
-    identifier = Column(Unicode(24), nullable=False,
+    identifier = Column(Unicode(24), nullable=False, index=True, unique=True,
         info=dict(description="An identifier", format='identifier'))
 
 create_translation_table('move_meta_ailment_names', MoveMetaAilment, 'names',
@@ -948,8 +923,10 @@ class MoveMetaCategory(TableBase):
     u"""Very general categories that loosely group move effects."""
     __tablename__ = 'move_meta_categories'
     __singlename__ = 'move_meta_category'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
+    identifier = Column(Unicode(32), nullable=False, index=True, unique=True,
+        info=dict(description="An identifier", format='identifier'))
 
 create_translation_table('move_meta_category_prose', MoveMetaCategory, 'prose',
     relation_lazy='joined',
@@ -972,16 +949,16 @@ class MoveTarget(TableBase):
     """
     __tablename__ = 'move_targets'
     __singlename__ = 'move_target'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(32), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 
 create_translation_table('move_target_prose', MoveTarget, 'prose',
     relation_lazy='joined',
-    name = Column(Unicode(32), nullable=False, index=True,
+    name = Column(Unicode(32), nullable=True, index=True,
         info=dict(description="The name", format='plaintext', official=False)),
-    description = Column(Unicode(128), nullable=False,
+    description = Column(Unicode(128), nullable=True,
         info=dict(description="A description", format='plaintext')),
 )
 
@@ -990,7 +967,7 @@ class Nature(TableBase):
     """
     __tablename__ = 'natures'
     __singlename__ = 'nature'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(8), nullable=False,
         info=dict(description="An identifier", format='identifier'))
@@ -1023,9 +1000,9 @@ class NatureBattleStylePreference(TableBase):
     a particular battl style in Battle Palace or Battle Tent
     """
     __tablename__ = 'nature_battle_style_preferences'
-    nature_id = Column(Integer, ForeignKey('natures.id'), primary_key=True, nullable=False, autoincrement=False,
+    nature_id = Column(Integer, ForeignKey('natures.id'), primary_key=True, nullable=False,
         info=dict(description=u"ID of the Pokémon's nature"))
-    move_battle_style_id = Column(Integer, ForeignKey('move_battle_styles.id'), primary_key=True, nullable=False, autoincrement=False,
+    move_battle_style_id = Column(Integer, ForeignKey('move_battle_styles.id'), primary_key=True, nullable=False,
         info=dict(description="ID of the battle style"))
     low_hp_preference = Column(Integer, nullable=False,
         info=dict(description=u"Chance of using the move, in percent, if HP is under ½"))
@@ -1036,9 +1013,9 @@ class NaturePokeathlonStat(TableBase):
     u"""Specifies how a Nature affects a Pokéathlon stat
     """
     __tablename__ = 'nature_pokeathlon_stats'
-    nature_id = Column(Integer, ForeignKey('natures.id'), primary_key=True, nullable=False, autoincrement=False,
+    nature_id = Column(Integer, ForeignKey('natures.id'), primary_key=True, nullable=False,
         info=dict(description="ID of the nature"))
-    pokeathlon_stat_id = Column(Integer, ForeignKey('pokeathlon_stats.id'), primary_key=True, nullable=False, autoincrement=False,
+    pokeathlon_stat_id = Column(Integer, ForeignKey('pokeathlon_stats.id'), primary_key=True, nullable=False,
         info=dict(description="ID of the stat"))
     max_change = Column(Integer, nullable=False,
         info=dict(description="Maximum change"))
@@ -1048,7 +1025,7 @@ class PokeathlonStat(TableBase):
     """
     __tablename__ = 'pokeathlon_stats'
     __singlename__ = 'pokeathlon_stat'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     identifier = Column(Unicode(8), nullable=False,
         info=dict(description="An identifier", format='identifier'))
@@ -1063,7 +1040,7 @@ class Pokedex(TableBase):
     """
     __tablename__ = 'pokedexes'
     __singlename__ = 'pokedex'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description="A numeric ID"))
     region_id = Column(Integer, ForeignKey('regions.id'), nullable=True,
         info=dict(description=u"ID of the region this Pokédex is used in, or None if it's global"))
@@ -1072,9 +1049,9 @@ class Pokedex(TableBase):
 
 create_translation_table('pokedex_prose', Pokedex, 'prose',
     relation_lazy='joined',
-    name = Column(Unicode(16), nullable=False, index=True,
+    name = Column(Unicode(16), nullable=True, index=True,
         info=dict(description="The name", format='plaintext', official=False)),
-    description = Column(Unicode(512), nullable=False,
+    description = Column(Unicode(512), nullable=True,
         info=dict(description=u"A longer description of the Pokédex", format='plaintext')),
 )
 
@@ -1083,7 +1060,7 @@ class Pokemon(TableBase):
     """
     __tablename__ = 'pokemon'
     __singlename__ = 'pokemon'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description=u"A numeric ID"))
     identifier = Column(Unicode(20), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
@@ -1091,6 +1068,8 @@ class Pokemon(TableBase):
         info=dict(description=u"ID of the generation this species first appeared in"))
     evolution_chain_id = Column(Integer, ForeignKey('evolution_chains.id'),
         info=dict(description=u"ID of the species' evolution chain (a.k.a. family)"))
+    evolves_from_pokemon_id = Column(Integer, ForeignKey('pokemon.id'), nullable=True,
+        info=dict(description=u"The Pokémon species from which this one evolves"))
     height = Column(Integer, nullable=False,
         info=dict(description=u"The height of the Pokémon, in decimeters (tenths of a meter)"))
     weight = Column(Integer, nullable=False,
@@ -1150,7 +1129,7 @@ class Pokemon(TableBase):
         u"""Returns the Pokémon's name, including its form if applicable."""
 
         if self.form_name:
-            return u'{0} {1}'.format(self.form_name, self.name)
+            return u'%s %s' % (self.form_name, self.name)
         else:
             return self.name
 
@@ -1202,9 +1181,9 @@ class Pokemon(TableBase):
 
 create_translation_table('pokemon_names', Pokemon, 'names',
     relation_lazy='joined',
-    name = Column(Unicode(20), nullable=False, index=True,
+    name = Column(Unicode(20), nullable=True, index=True,
         info=dict(description="The name", format='plaintext', official=True, ripped=True)),
-    species = Column(Unicode(16), nullable=False,
+    species = Column(Unicode(16), nullable=True,
         info=dict(description=u'The short flavor text, such as "Seed" or "Lizard"; usually affixed with the word "Pokémon"',
         official=True, format='plaintext')),
 )
@@ -1272,9 +1251,9 @@ class PokemonEvolution(TableBase):
     Any condition may be null if it does not apply for a particular Pokémon.
     """
     __tablename__ = 'pokemon_evolution'
-    from_pokemon_id = Column(Integer, ForeignKey('pokemon.id'), nullable=False,
-        info=dict(description=u"The ID of the pre-evolution Pokémon."))
-    to_pokemon_id = Column(Integer, ForeignKey('pokemon.id'), primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
+        info=dict(description=u"A numeric ID"))
+    evolved_pokemon_id = Column(Integer, ForeignKey('pokemon.id'), nullable=False,
         info=dict(description=u"The ID of the post-evolution Pokémon."))
     evolution_trigger_id = Column(Integer, ForeignKey('evolution_triggers.id'), nullable=False,
         info=dict(description=u"The ID of the evolution trigger."))
@@ -1312,7 +1291,7 @@ class PokemonFlavorText(TableBase):
         info=dict(description=u"ID of the Pokémon"))
     version_id = Column(Integer, ForeignKey('versions.id'), primary_key=True, nullable=False, autoincrement=False,
         info=dict(description=u"ID of the version that has this flavor text"))
-    language_id = Column(Integer, ForeignKey('languages.id'), primary_key=True, nullable=False, autoincrement=False,
+    language_id = Column(Integer, ForeignKey('languages.id'), primary_key=True, nullable=False,
         info=dict(description="The language"))
     flavor_text = Column(Unicode(255), nullable=False,
         info=dict(description=u"The flavor text", official=True, format='gametext'))
@@ -1325,7 +1304,7 @@ class PokemonForm(TableBase):
     """
     __tablename__ = 'pokemon_forms'
     __singlename__ = 'pokemon_form'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description=u'A unique ID for this form.'))
     identifier = Column(Unicode(16), nullable=True,
         info=dict(description=u"An identifier", format='identifier'))
@@ -1341,20 +1320,13 @@ class PokemonForm(TableBase):
         info=dict(description=u'The order in which forms should be sorted.  Multiple forms may have equal order, in which case they should fall back on sorting by name.'))
 
     @property
-    def pokemon(self):
-        u"""Returns the Pokémon for this form, using the form base as fallback.
-        """
-
-        return self.unique_pokemon or self.form_base_pokemon
-
-    @property
     def full_name(self):
         u"""Returns the full name of this form, e.g. "Plant Cloak"."""
 
         if not self.name:
             return None
         elif self.form_group and self.form_group.term:
-            return u'{0} {1}'.format(self.name, self.form_group.term)
+            return u'%s %s' % (self.name, self.form_group.term)
         else:
             return self.name
 
@@ -1365,7 +1337,7 @@ class PokemonForm(TableBase):
         """
 
         if self.name:
-            return u'{0} {1}'.format(self.name, self.form_base_pokemon.name)
+            return u'%s %s' % (self.name, self.form_base_pokemon.name)
         else:
             return self.form_base_pokemon.name
 
@@ -1389,7 +1361,7 @@ PokemonFormGroup.id = PokemonFormGroup.pokemon_id
 create_translation_table('pokemon_form_group_prose', PokemonFormGroup, 'prose',
     term = Column(Unicode(16), nullable=True,
         info=dict(description=u"The term for this Pokémon's forms, e.g. \"Cloak\" for Burmy or \"Forme\" for Deoxys.", official=True, format='plaintext')),
-    description = Column(markdown.MarkdownColumn(1024), nullable=False,
+    description = Column(markdown.MarkdownColumn(1024), nullable=True,
         info=dict(description=u"Description of how the forms work", format='markdown')),
 )
 
@@ -1481,9 +1453,9 @@ class PokemonMoveMethod(TableBase):
 
 create_translation_table('pokemon_move_method_prose', PokemonMoveMethod, 'prose',
     relation_lazy='joined',
-    name = Column(Unicode(64), nullable=False, index=True,
+    name = Column(Unicode(64), nullable=True, index=True,
         info=dict(description="The name", format='plaintext', official=False)),
-    description = Column(Unicode(255), nullable=False,
+    description = Column(Unicode(255), nullable=True,
         info=dict(description=u"A detailed description of how the method works", format='plaintext')),
 )
 
@@ -1492,16 +1464,16 @@ class PokemonShape(TableBase):
     """
     __tablename__ = 'pokemon_shapes'
     __singlename__ = 'pokemon_shape'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description=u"A numeric ID"))
     identifier = Column(Unicode(24), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
 
 create_translation_table('pokemon_shape_prose', PokemonShape, 'prose',
     relation_lazy='joined',
-    name = Column(Unicode(24), nullable=False, index=True,
+    name = Column(Unicode(24), nullable=True, index=True,
         info=dict(description="The name", format='plaintext', official=False)),
-    awesome_name = Column(Unicode(16), nullable=False,
+    awesome_name = Column(Unicode(16), nullable=True,
         info=dict(description=u"A splendiferous name of the body shape", format='plaintext')),
 )
 
@@ -1534,7 +1506,7 @@ class Region(TableBase):
     """
     __tablename__ = 'regions'
     __singlename__ = 'region'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description=u"A numeric ID"))
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
@@ -1550,7 +1522,7 @@ class Stat(TableBase):
     """
     __tablename__ = 'stats'
     __singlename__ = 'stat'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description=u"A numeric ID"))
     damage_class_id = Column(Integer, ForeignKey('move_damage_classes.id'), nullable=True,
         info=dict(description=u"For offensive and defensive stats, the damage this stat relates to; otherwise None (the NULL value)"))
@@ -1571,7 +1543,7 @@ class StatHint(TableBase):
     """
     __tablename__ = 'stat_hints'
     __singlename__ = 'stat_hint'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description=u"A numeric ID"))
     stat_id = Column(Integer, ForeignKey('stats.id'), nullable=False,
         info=dict(description=u"ID of the highest stat"))
@@ -1598,7 +1570,7 @@ class SuperContestEffect(TableBase):
     """
     __tablename__ = 'super_contest_effects'
     __singlename__ = 'super_contest_effect'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description=u"This effect's unique ID."))
     appeal = Column(SmallInteger, nullable=False,
         info=dict(description=u"The number of hearts the user gains."))
@@ -1612,7 +1584,7 @@ class Type(TableBase):
     u"""Any of the elemental types Pokémon and moves can have."""
     __tablename__ = 'types'
     __singlename__ = 'type'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description=u"A unique ID for this type."))
     identifier = Column(Unicode(12), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
@@ -1643,7 +1615,7 @@ class Version(TableBase):
     u"""An individual main-series Pokémon game."""
     __tablename__ = 'versions'
     __singlename__ = 'version'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description=u"A unique ID for this version."))
     version_group_id = Column(Integer, ForeignKey('version_groups.id'), nullable=False,
         info=dict(description=u"The ID of the version group this game belongs to."))
@@ -1661,7 +1633,7 @@ class VersionGroup(TableBase):
     and Blue) or a single game (such as Yellow.)
     """
     __tablename__ = 'version_groups'
-    id = Column(Integer, primary_key=True, nullable=False, autoincrement=False,
+    id = Column(Integer, primary_key=True, nullable=False,
         info=dict(description=u"This version group's unique ID."))
     generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False,
         info=dict(description=u"The ID of the generation the games in this group belong to."))
@@ -1671,9 +1643,9 @@ class VersionGroup(TableBase):
 class VersionGroupRegion(TableBase):
     u"""Maps a version group to a region that appears in it."""
     __tablename__ = 'version_group_regions'
-    version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, nullable=False, autoincrement=False,
+    version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, nullable=False,
         info=dict(description=u"The ID of the version group."))
-    region_id = Column(Integer, ForeignKey('regions.id'), primary_key=True, nullable=False, autoincrement=False,
+    region_id = Column(Integer, ForeignKey('regions.id'), primary_key=True, nullable=False,
         info=dict(description=u"The ID of the region."))
 
 
@@ -1744,7 +1716,7 @@ EncounterConditionValueMap.condition_value = relation(EncounterConditionValue,
     innerjoin=True, lazy='joined',
     backref='encounter_map')
 
-EncounterSlot.terrain = relation(EncounterTerrain,
+EncounterSlot.method = relation(EncounterMethod,
     innerjoin=True, lazy='joined',
     backref='slots')
 EncounterSlot.version_group = relation(VersionGroup, innerjoin=True)
@@ -1821,6 +1793,12 @@ LocationArea.location = relation(Location,
     innerjoin=True, lazy='joined',
     backref='areas')
 
+LocationAreaEncounterRate.location_area = relation(LocationArea,
+    innerjoin=True,
+    backref='encounter_rates')
+LocationAreaEncounterRate.method = relation(EncounterMethod,
+    innerjoin=True)
+
 LocationGameIndex.location = relation(Location,
     innerjoin=True, lazy='joined',
     backref='game_indices')
@@ -1891,12 +1869,9 @@ MoveChangelog.effect_map = markdown.MoveEffectPropertyMap('effect_map')
 MoveChangelog.short_effect = markdown.MoveEffectProperty('short_effect')
 MoveChangelog.short_effect_map = markdown.MoveEffectPropertyMap('short_effect_map')
 
-MoveEffect.category_map = relation(MoveEffectCategoryMap)
-MoveEffect.categories = association_proxy('category_map', 'category')
 MoveEffect.changelog = relation(MoveEffectChangelog,
     order_by=MoveEffectChangelog.changed_in_version_group_id.desc(),
     backref='move_effect')
-MoveEffectCategoryMap.category = relation(MoveEffectCategory)
 
 MoveEffectChangelog.changed_in = relation(VersionGroup,
     innerjoin=True, lazy='joined',
@@ -2008,11 +1983,13 @@ Pokemon.egg_groups = relation(EggGroup,
 Pokemon.evolution_chain = relation(EvolutionChain,
     innerjoin=True,
     backref=backref('pokemon', order_by=Pokemon.order.asc()))
-Pokemon.child_pokemon = relation(Pokemon,
-    primaryjoin=Pokemon.id==PokemonEvolution.from_pokemon_id,
-    secondary=PokemonEvolution.__table__,
-    secondaryjoin=PokemonEvolution.to_pokemon_id==Pokemon.id,
-    backref=backref('parent_pokemon', uselist=False))
+Pokemon.parent_pokemon = relation(Pokemon,
+    primaryjoin=Pokemon.evolves_from_pokemon_id==Pokemon.id,
+    remote_side=[Pokemon.id],
+    backref='child_pokemon')
+Pokemon.evolutions = relation(PokemonEvolution,
+    primaryjoin=Pokemon.id==PokemonEvolution.evolved_pokemon_id,
+    backref=backref('evolved_pokemon', innerjoin=True, lazy='joined'))
 Pokemon.flavor_text = relation(PokemonFlavorText,
     order_by=PokemonFlavorText.version_id.asc(),
     backref='pokemon')
@@ -2048,20 +2025,6 @@ Pokemon.types = relation(Type,
 PokemonDexNumber.pokedex = relation(Pokedex,
     innerjoin=True, lazy='joined')
 
-PokemonEvolution.from_pokemon = relation(Pokemon,
-    primaryjoin=PokemonEvolution.from_pokemon_id==Pokemon.id,
-    innerjoin=True,
-    backref='child_evolutions')
-PokemonEvolution.to_pokemon = relation(Pokemon,
-    primaryjoin=PokemonEvolution.to_pokemon_id==Pokemon.id,
-    innerjoin=True,
-    backref=backref('parent_evolution', uselist=False))
-PokemonEvolution.child_evolutions = relation(PokemonEvolution,
-    primaryjoin=PokemonEvolution.from_pokemon_id==PokemonEvolution.to_pokemon_id,
-    foreign_keys=[PokemonEvolution.to_pokemon_id],
-    backref=backref('parent_evolution',
-        remote_side=[PokemonEvolution.from_pokemon_id],
-        uselist=False))
 PokemonEvolution.trigger = relation(EvolutionTrigger,
     innerjoin=True, lazy='joined',
     backref='evolutions')
@@ -2090,6 +2053,12 @@ PokemonForm.form_base_pokemon = relation(Pokemon,
 PokemonForm.unique_pokemon = relation(Pokemon,
     primaryjoin=PokemonForm.unique_pokemon_id==Pokemon.id,
     backref=backref('unique_form', uselist=False))
+PokemonForm.pokemon = relation(Pokemon,
+    primaryjoin=or_(
+        PokemonForm.unique_pokemon_id==Pokemon.id,
+        and_(PokemonForm.unique_pokemon_id==None, 
+            PokemonForm.form_base_pokemon_id==Pokemon.id)
+        ), uselist=False)
 PokemonForm.version_group = relation(VersionGroup,
     innerjoin=True)
 PokemonForm.form_group = association_proxy('form_base_pokemon', 'form_group')