Very slow delete on mysql base with subquery

Question

This mysql query is running for around 10 hours and has not finished. Something is horribly wrong.

Two tables (text and spam) are here. Spam stores the ids of spam e

Answer 1

Copy rows that are not in spam form text to new table. Then delete text table and rename created table. Good idea is not to add any keys to created table. Add keys after renaming.