sqlmodel/docs_src/tutorial/select/tutorial002.py at main · codassassin/sqlmodel · GitHub

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from typing import Optional

from sqlmodel import Field, Session, SQLModel, create_engine, select # (1)

class Hero(SQLModel, table=True): # (2)

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

name: str

secret_name: str

age: Optional[int] = None

sqlite_file_name = "database.db"

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

engine = create_engine(sqlite_url, echo=True) # (3)

def create_db_and_tables():

SQLModel.metadata.create_all(engine) # (4)

def create_heroes():

hero_1 = Hero(name="Deadpond", secret_name="Dive Wilson") # (5)

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

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

with Session(engine) as session: # (6)

session.add(hero_1)

session.add(hero_2)

session.add(hero_3)

session.commit()

def select_heroes():

with Session(engine) as session: # (7)

statement = select(Hero) # (8)

results = session.exec(statement) # (9)

for hero in results: # (10)

print(hero) # (11)

# (12)

def main():

create_db_and_tables()

create_heroes()

select_heroes() # (13)

if __name__ == "__main__":

main()