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Co-authored-by: Yurii Motov <yurii.motov.monte@gmail.com> Co-authored-by: Motov Yurii <109919500+YuriiMotov@users.noreply.github.com>
66 lines
1.6 KiB
Python
66 lines
1.6 KiB
Python
import uuid
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from typing import Union
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from sqlmodel import Field, Session, SQLModel, create_engine, select
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class Hero(SQLModel, table=True):
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id: uuid.UUID = Field(default_factory=uuid.uuid4, primary_key=True)
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name: str = Field(index=True)
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secret_name: str
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age: Union[int, None] = Field(default=None, index=True)
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sqlite_file_name = "database.db"
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sqlite_url = f"sqlite:///{sqlite_file_name}"
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engine = create_engine(sqlite_url, echo=True)
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def create_db_and_tables():
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SQLModel.metadata.create_all(engine)
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def create_hero():
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with Session(engine) as session:
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hero = Hero(name="Deadpond", secret_name="Dive Wilson")
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print("The hero before saving in the DB")
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print(hero)
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print("The hero ID was already set")
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print(hero.id)
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session.add(hero)
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session.commit()
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session.refresh(hero)
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print("After saving in the DB")
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print(hero)
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def select_hero():
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with Session(engine) as session:
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hero_2 = Hero(name="Spider-Boy", secret_name="Pedro Parqueador")
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session.add(hero_2)
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session.commit()
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session.refresh(hero_2)
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hero_id = hero_2.id
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print("Created hero:")
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print(hero_2)
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print("Created hero ID:")
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print(hero_id)
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statement = select(Hero).where(Hero.id == hero_id)
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selected_hero = session.exec(statement).one()
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print("Selected hero:")
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print(selected_hero)
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print("Selected hero ID:")
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print(selected_hero.id)
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def main() -> None:
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create_db_and_tables()
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create_hero()
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select_hero()
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if __name__ == "__main__":
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main()
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