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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 9 months ago* (last edited 9 months ago) by drekly@lemmy.world to c/programming@programming.dev

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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.

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[-] olafurp@lemmy.world 4 points 9 months ago* (last edited 9 months ago)

No, but people are sometimes forced to do these things because of pressure from management and/or lack of infrastructure to do it in any other way.

Definitely don't endorse it but I have done it. Think of a "Everything is down" situation that can be fixed in 1 minute with SQL.

[-] Sharpiemarker@feddit.de 1 points 9 months ago

Got it. I'm with you.

this post was submitted on 11 Oct 2023

361 points (97.6% liked)

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