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Editorial Team
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Asked: 2026-06-18T10:00:54+00:00

I have a table named user like below: id || email ——————————— 1 ||

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I have a table named user like below:

id || email
---------------------------------
1  || someone@foo.bar
---------------------------------
2  || 1manwithblueshirt@bar.foo
---------------------------------

Why is this:

1manwithblueshirt@bar.foo

result of this search?

SELECT * FROM user WHERE email = 1
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1 Answer

  1. Editorial Team

    Because MySQL decides to convert the email to an integer. The rules are to convert leading characters to a number, until the characters are not valid numbers.

    Here is a simple example:

    select (case when '1abc' = 1 then 'a' else 'b' end)
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