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Example Code

from sqlmodel import Field, SQLModel, Session, col, select
from sqlalchemy import func


class Person(SQLModel, table=True):
    id: int | None = Field(default=None, primary_key=True)
    first_name: str
    last_name: str
    age: int | None = None


# Note: this is NOT a table
class QueryResult(SQLModel):
    full_name: str
    person_age: int | None = None


with Session(engine) as session:
    query = (
        select(
            func.concat(Person.first_name, Person.last_name).label('full_name'),
            col(Person.age).label('person_age')
        )
        .select_from(Person)
    )
    results = session.exec(query).all()
    print(results)

Description

Supposed that I have 2 models, Person for a table and QueryResult to map the result. A simple query is to select some people and concatenate their first and last name into name.

The results is a list of tuples. However, I want it to be a list of QueryResult. I've made sure that the label and field names are matched. But what else do I need to do to map the result to the defined class?

I know that I can do it manually by looping through the results, but it does not feel right to me. SQLAlchemy or SQLModel must have a solution for this, or?

Operating System

macOS

Operating System Details

No response

SQLModel Version

0.0.22

Python Version

3.11.4

Additional Context

No response