Hello I am trying to insert to a pgadmin table using python, I used execute and it worked, but for my second aprt i need to use a fucntion, I got everything working except the inserts with select, it tells my syntax error, or forgot comma, literally everything. Im new, so help would be apprecitated . Error An…
Tag: psycopg2
Inserting csv file into a database using Python
In Python I’ve connected to a Postgres database using the following code: I have created a table called departments and want to insert data into the database from a CSV file. I read the csv in as follows: And I am trying to insert this data into the table with the following code: which I’ve seen d…
psycopg update with unnest for a bytea column
I’m trying to update a lot of row in my database using unnest(). Here’s my db: Then I update the table with: But I got the following error: However, it’s working if I do a classic update. Any idea ? Answer Since your data is a 2×100 matrix, is better to partition it in vectors (1d array…
Is connect_timeout a valid URL parameter acquiring a connection via Peewee’s playhouse.db_url.connect?
I’m using Peewee as ORM and connect to a Postgres database (psycopg2) using the Playhouse extension db_url.connect. My URL is a vanilla postgresql://username:pass@host:port/dbname?options=… so not using pooling or anything advanced at the moment. Some times when I call connect it hangs for a long …
How to setup psycopg2 in a docker container running on a droplet?
I’m trying to wrap a scraping project in a Docker container to run it on a droplet. The spider scraps a website and then writes the data to a postgres database. The postgres database is already running and managed by Digitalocean. When I run the command locally to test, everything is fine: I can visuali…
SQLAlchemy bulk insert statement in Postgres database throws AttributeError
I am trying to insert rows in Python SQLAlchemy by bulk into a Postgres database by using an insert statement. I need to use the insert statement instead of bulk_insert_mappings, as I want to silently ignore failed insertion of duplicate entries. This was not apparent before, but I have added it now. The tabl…
Python and PostGres | Showing data in a QLabel (psycopg2)
im using Postgres together with python(psycopg2). Im trying to insert data in a QLabel. It shows the data, but the data comes with clinges. How do I get rid of the clinges? My code: This is what I get out of it: I want it to just show 12 Answer Per here Cursor: Note cursor objects are iterable, so, instead
psycopg2 SyntaxError with time or date
I have a code that automatically identifies for what table, which columns and what the values to parse into sql insert statement. It works well with all of my tables, except only one. This is a structure of the model of this table: I got SyntaxError only with this table. My insertion statement: This is an err…
OpenTelemetry is not tracing SQL Statements while using cursor_factory as NamedTupleCursor
Kindly look at the code below. I’m using opentelemetry for tracing. Psycopg2Instrumentor for PostgreSQL tracing. Here only the “show server_version” SQL statement is getting traced. But the SQL statement in execute method is not traced. I think it’s because of using NamedTupleCursor cu…
Parse a CSV file, loop and insert rows into a PostGreSQL database
I use the Python psycopg2 module to copy the content of a csv file (a list of users) into a PostGreSQL database. So I begin to parse the CSV with the Python pandas module. Then with a for loop, I try to insert my data in my SQL queries. I have two problems : a) When I execute the role