Jul 13, 2021 · session.query is the old API. The asynchronous version uses select and accompanying methods.. from sqlalchemy.future import select from sqlalchemy.ext.asyncio …

The advantages text() provides over a plain string are backend-neutral support for bind parameters, per-statement execution options, as well as bind parameter and result-column …

Oct 9, 2013 · Worked for me, Elegant and simple way to call stored procedures.Official notes The :data:.func construct has only limited support for calling standalone "stored procedures", …

SQLAlchemy also supports onupdate so that anytime the row is updated it inserts a new timestamp. Again ...

import sqlalchemy as sa ... stmt = sa.delete(tbl).where(addresses_table.c.retired == 1) In either case, when using SQLAlchemy 2.0+, or 1.4.x with the future flag enabled, the resulting delete …

Apr 12, 2011 · This works in python 2 and 3 and is a bit cleaner than before, but requires SA>=1.0. from sqlalchemy.engine.default import DefaultDialect from sqlalchemy.sql.sqltypes …

import sqlalchemy engine = sqlalchemy.create_engine('mssql+pyodbc://' + server + '/' + database + '?trusted_connection=yes&driver=SQL+Server') This avoids using ODBC connections and …

SQLAlchemy overloads the bitwise operators &, | and ~ so instead of the ugly and hard-to-read prefix syntax with or_() and and_() (like in Bastien's answer) you can use these operators:

Dec 22, 2011 · An alternative way is using raw SQL mode with SQLAlchemy, I use SQLAlchemy 0.9.8, python 2.7, MySQL 5.X, and MySQL-Python as connector, in this case, a tuple is needed.

Other answers using uselist=False are correct, but in SQLAlchemy 2.0 relationship is now smart enough to deduce it if your Mapped annotation uses a non-collection type. From the docs: …