Answer by PvG for How to get primary key columns in pd.DataFrame.to_sql...
You can do something like this with SQLalchemy:from sqlalchemy import MetaDatafrom sqlalchemy.dialects.postgresql import insertimport psycopg2import sqlalchemydef upsert_data(df, url, schema, table,...
View ArticleHow to get primary key columns in pd.DataFrame.to_sql insertion method for...
I'm trying to modify pandas insertion method using COPY. The purpose is to implement an "upsert" mechanism for Postgres database.I'm using this SO answer for creating temp table and copying data into...
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