this post was submitted on 11 Oct 2023

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Programming

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I accidentally removed the WHERE clause from my SQL query in a personal tool. Every row is now the same. I overwrote 206,000+ rows. I have no backup, I am stupid. (lemmy.world)

submitted 2 years ago* (last edited 2 years ago) by [email protected] to c/programming

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"UPDATE table_name SET w = $1, x = $2, z = $4 WHERE y = $3 RETURNING *",

does not do the same as

"UPDATE table_name SET w = $1, x = $2, y = $3, z = $4 RETURNING *",

It's 2 am and my mind blanked out the WHERE, and just wanted the numbers neatly in order of 1234.

idiot.

FML.

(page 3) 30 comments

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[–] Hector_McG 2 points 2 years ago (1 children)

And this is why "pulling an all-nighter" and dev crunches are the dumbest move possible if you want to launch on time.

[–] lysdexic 1 points 2 years ago

I thought the main lessons were:

don't test in production,
don't grant write permissions to everyone,
use integration tests.

[–] [email protected] 2 points 2 years ago

I learned this lesson too

[–] [email protected] 1 points 2 years ago

Been there, done that, I hope you have a recent backup!

[–] [email protected] 0 points 2 years ago

Oof. Why you writing SQL by hand?

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