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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 uuid | |
import os | |
import pandas as pd | |
import sqlalchemy | |
from sqlalchemy import create_engine, types, Engine, text |