Reminder to self: the server clock and my clock have never once agreed, and they are not going to start now.
No lesson here. It was a typo, and I only found it by reading the code out loud to an empty room.
#Databases
The Query That Only Failed on Tuesdays
A scheduled report, a missing index and a very patient database.
- author
- Tomasz Reyes
- date
- "2026-11-02"
- category
- "Databases"
- tags
- ["bundlers", "debugging", "modules", "testing"]
- reading
- "1 min"
the-query-that-only-failed-on-tuesdays.md
Thanks for writing this up. I have sent it to two people who needed it and one who will deny it.
Fair point. It depends a lot on team size.
Same here. Glad it is not only us.
About forty minutes, batched, with nobody watching it.
Yes, and that was the moment we started measuring properly.
How long did the migration take on the full table?
Good catch, thank you. I will add a note.
I would buy that mug.
I disagree about the library, but only because I have already paid the cost of learning it.
Small correction: the default changed in a recent release, so check which version you are on.