sqlmodel/docs_src/tutorial/update/tutorial004.py at pre-commit · cmarqu/sqlmodel · GitHub

Repository navigation

History

from typing import Optional

from sqlmodel import Field, Session, SQLModel, create_engine, select

class Hero(SQLModel, table=True):

id: Optional[int] = Field(default=None, primary_key=True)

name: str = Field(index=True)

secret_name: str

age: Optional[int] = Field(default=None, index=True)

sqlite_file_name = "database.db"

sqlite_url = f"sqlite:///{sqlite_file_name}"

engine = create_engine(sqlite_url, echo=True)

def create_db_and_tables():

SQLModel.metadata.create_all(engine)

def create_heroes():

hero_1 = Hero(name="Deadpond", secret_name="Dive Wilson")

hero_2 = Hero(name="Spider-Boy", secret_name="Pedro Parqueador")

hero_3 = Hero(name="Rusty-Man", secret_name="Tommy Sharp", age=48)

hero_4 = Hero(name="Tarantula", secret_name="Natalia Roman-on", age=32)

hero_5 = Hero(name="Black Lion", secret_name="Trevor Challa", age=35)

hero_6 = Hero(name="Dr. Weird", secret_name="Steve Weird", age=36)

hero_7 = Hero(name="Captain North America", secret_name="Esteban Rogelios", age=93)

with Session(engine) as session:

session.add(hero_1)

session.add(hero_2)

session.add(hero_3)

session.add(hero_4)

session.add(hero_5)

session.add(hero_6)

session.add(hero_7)

session.commit()

def update_heroes():

with Session(engine) as session:

statement = select(Hero).where(Hero.name == "Spider-Boy") # (1)

results = session.exec(statement) # (2)

hero_1 = results.one() # (3)

print("Hero 1:", hero_1) # (4)

statement = select(Hero).where(Hero.name == "Captain North America") # (5)

results = session.exec(statement) # (6)

hero_2 = results.one() # (7)

print("Hero 2:", hero_2) # (8)

hero_1.age = 16 # (9)

hero_1.name = "Spider-Youngster" # (10)

session.add(hero_1) # (11)

hero_2.name = "Captain North America Except Canada" # (12)

hero_2.age = 110 # (13)

session.add(hero_2) # (14)

session.commit() # (15)

session.refresh(hero_1) # (16)

session.refresh(hero_2) # (17)

print("Updated hero 1:", hero_1) # (18)

print("Updated hero 2:", hero_2) # (19)

# (20)

def main():

create_db_and_tables()

create_heroes()

update_heroes()

if __name__ == "__main__":

main()

sqlmodel/docs_src/tutorial/update/tutorial004.py at pre-commit · cmarqu/sqlmodel · GitHub

Repository navigation

Expand file tree

Breadcrumbs

tutorial004.py

Latest commit

History

Breadcrumbs

tutorial004.py

File metadata and controls