I have a table with column name "collation" whose schema I cannot change. I generated some data I want to insert into this table using the following code snippet: from sqlalchemy.dialects import postgresql data = [{"collation": "foo"}, {"collation":"bar"}] stmt =…
I've got a database table in a Postgres 15 database, it's got two columns (amongst others), one is of type daterange, the other is tstzrange. We've got some code that inserts to this table with raw SQL (via sqlalchemy core)…
Trying to do a self join on a model but am getting confused how to do so in sqlmodel ORM. Something equivalent to the use of following SQL in Postgresql. SELECT tt.id, ttp.parent_name, tt.name FROM target_table tt, (select DISTINCT bb.parent_id,…
Defining the class: from sqlmodel import Field, SQLModel, create_engine, Session, select, Column,String class person(SQLModel, table=True): id: Optional[int] = Field(default=None, primary_key=True) name: str = Field(max_length=100) nickname: str = Field(max_length=30) sqlmodel creates the table person: CREATE TABLE person( id SERIAL NOT NULL,…
from sqlalchemy import create_engine, text db_connection_str = "mysql+pymysql://user:pass@some_mariadb/dbname?charset=utf8mb4" #Don't worry while running the code , I had replaced all the values in the db_connection_str with my values engine = create_engine( db_connection_str, connect_args={ # "ssl": { # "ssl_ca": "/etc/ssl/cert.pem", # }…
I have a table called Gerechten with the columns: id, gerecht, beschrijving, categorie, prijs, url and sterren. In this table i have a lot of rows, so i used a jinja loop in the html script to loop through every…
I am working on custom types in sqlalchemy columns using TypeDecorator. I'm storing my data in JSONB inside Postgres DB, but in code I am serializing and deserializing it in a data class. But when I change any field of…
I can't connect to my database with SQLAlchemy. It throws an error that says: E sqlalchemy.exc.ArgumentError: Could not parse SQLAlchemy URL from string ' E postgresql://[my_username]:[my_password]@localhost:5432/tugas1-law-db" Here's my database.py implementation on FastAPI, which closely follows the FastAPI official guide: from…
I have an async FastApi service running on kustomizse behind nginx and a NLB. Been working all good but doing some profiling locally I noticed the db query I have using sqlalchemy asyncSessions() and AsyncEngine seems to be a bit…
I have a query such as: select_query = [text(f) for f in fields] with engine.connect() as conn: query = select(*select_query, MyTable.id).select_from( table(MyTable.__tablename__) ... Everything works fine except when the field (inside select_query) is camelcase. Is there any function or directive…