Teradata MERGE yielding no results when executed through SQLAlchemy

Question

I\'m attempting to use python with sqlalchemy to download some data, create a temporary staging table on a Teradata Server, then MERGEing that table into another table which

Answer 1

Since you're using the engine directly, without using a transaction, you're probably (barring unseen configuration on your part) relying on SQLAlchemy's version of autocommit, which works by detecting data changing operations such as INSERTs etc. Possibly MERGE is not one of the detected operations. Try

sql = sqlalchemy.text(merge).execution_options(autocommit=True)
td_engine.execute(sql)