commit_timestamp_model.py

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#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
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import datetime

from sqlalchemy.orm import DeclarativeBase
from sqlalchemy.orm import Mapped
from sqlalchemy.orm import mapped_column


class Base(DeclarativeBase):
    pass


class Singer(Base):
    __tablename__ = "singers"
    id: Mapped[str] = mapped_column(primary_key=True)
    name: Mapped[str]
    updated_at: Mapped[datetime.datetime] = mapped_column(
        spanner_allow_commit_timestamp=True
    )