Friends, hello everyone. We faced a problem at work that we couldn't solve. It became clear that simple there is no solution, so we decided to ask the advice of more experienced people on the forum. We have a PostgreSQL…
The following is valid SQL for PostgreSQL. INSERT INTO schema.table (id, letter) VALUES (1, 'a'), (2, 'b'), ... I would like to execute a similar, parameterized statement using SQLAlchemy. I am using SQLAlchemy 1.4* Connection.execute(), but I do not have…
> user = Session.query(User).filter_by(id=user_id).first() > print("Active Session", {'id': user.id, 'email': user.email} ) > Session.commit() > Session.close() > user = Session.query(User).filter_by(id=user_id).first() > print("After closing session", {'id': user.id, 'email': user.email}) i am trying to close session using python and sqlalchemy but after…
I have the table soldiers: class Soldier(Base): __tablename__ = "soldiers" id = Column(String(36), default=lambda: str(uuid4()), primary_key=True, unique=True) name = Column(String(50), nullable=False) service_number = Column(Integer, nullable=False) commander_id = Column(String(36), nullable=False, index=True) created_at = Column(Date, nullable=False, default=func.now()) and this async query: result…
I apologize if this has been answered. I've searched repeatedly over years and have yet to find an adequate solution to actually terminate a session on a postgresql 13 server made by my python scripts. A simple example: from sqlalchemy…
I habe 3 tables for M2M relation class MoneyManagementsResult(Base): __tablename__ = "money_managements_results" strategies = relationship( "Strategy", secondary="strategy_mm_result", back_populates="mm_results" ) class Strategy(Base): __tablename__ = "strategies" mm_results = relationship( "MoneyManagementsResult", secondary="strategy_mm_result", back_populates="strategies" ) class StrategyMMResult(Base): __tablename__ = "strategy_mm_result" strategy_id = Column(Integer, ForeignKey("strategies.id"),…
I am trying to setup Superset in my local. I have a windows system, so i used VM Virtual Box, with Ubuntu 22.04 to setup and run the superset. I followed the docker instructions. Used the docker compose up command…
I am using SQLAlchemy ORM and trying to figure out how to produce a PostgreSQL query like the following: SELECT resources.* FROM histories, jsonb_array_elements_text(histories.reported_resources) as report_resource_name JOIN resources ON resources.resource_name = report_resource_name WHERE histories.id = :id So far I got…
How do you connect to specific Postgres schema using Sqlalchemy? So I've created a new schema called "rezerwacja_domkow". I can see it in Pgadmin4. But the whole schema system confuses me (so far I've played only with sqlite which was…
I am having a mssql server running in docker, I want to connect the server using sqlalchemy For connecting, I am using this connection string, engine = create_engine( 'mssql+pyodbc:///?odbc_connect=%s' % ( urllib.parse.quote_plus( 'DRIVER={/usr/lib/x86_64-linux-gnu/odbc/libtdsodbc.so};SERVER=localhost;' 'DATABASE=ap;UID=sa;PWD=admin@123;port=1433;' )), ) For this, I got…