add migrations

README.md

@@ -26,6 +26,7 @@
 - connect to postgres: `docker exec -it postgres psql -U postgres`
 
 ## migrations
+- run docker containers by commands in "run project" section
 - connect to docker container: `docker exec -it fastapi bash`
 - apply migrations: `alembic upgrade head` in fastapi container
 - create new migrations: `alembic revision --autogenerate -m "<migration name>"` in fastapi container

migrations/versions/2023_04_14_1327-d88b1bbac7bc_orders.py

@@ -0,0 +1,30 @@
+"""orders
+
+Revision ID: d88b1bbac7bc
+Revises: 36994ca6d50b
+Create Date: 2023-04-14 13:27:34.953473
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'd88b1bbac7bc'
+down_revision = '36994ca6d50b'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('products', sa.Column('avg_rating', sa.Float(), nullable=True))
+    op.add_column('products', sa.Column('reviews_count', sa.Integer(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('products', 'reviews_count')
+    op.drop_column('products', 'avg_rating')
+    # ### end Alembic commands ###