backend: добавили состояния персонажей

backend/migrations/versions/4ab34de53087_.py

@@ -0,0 +1,41 @@
+"""empty message
+
+Revision ID: 4ab34de53087
+Revises: 1da93403ba52
+Create Date: 2022-11-20 12:22:55.594622
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '4ab34de53087'
+down_revision = '1da93403ba52'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('character_states',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=255), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('name')
+    )
+    with op.batch_alter_table('characters', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('state_id', sa.Integer(), nullable=False))
+        batch_op.create_foreign_key(None, 'character_states', ['state_id'], ['id'], ondelete='CASCADE')
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('characters', schema=None) as batch_op:
+        batch_op.drop_constraint(None, type_='foreignkey')
+        batch_op.drop_column('state_id')
+
+    op.drop_table('character_states')
+    # ### end Alembic commands ###