Pascal Oberle pascaloberle
pedrovgp
/ upsert_df.py
Last active
February 11, 2024 20:44
Allow upserting a pandas dataframe to a postgres table (equivalent to df.to_sql(..., if_exists='update')
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| # Upsert function for pandas to_sql with postgres | |
| # https://stackoverflow.com/questions/1109061/insert-on-duplicate-update-in-postgresql/8702291#8702291 | |
| # https://www.postgresql.org/docs/devel/sql-insert.html#SQL-ON-CONFLICT | |
| import pandas as pd | |
| import sqlalchemy | |
| import uuid | |
| import os | |
| def upsert_df(df: pd.DataFrame, table_name: str, engine: sqlalchemy.engine.Engine): |