I have a simple query:
SELECT u_name AS user_name FROM users WHERE user_name = "john";
I get Unknown Column 'user_name' in where clause. Can I not refer to 'user_name' in other parts of the statement even after select 'u_name as user_name'?
Unknown Column 'user_name' in where clause
'user_name'
select 'u_name as user_name'
Those brackets declare an empty, inline constructor. In that case, with them, the constructor does exist, it merely does nothing more than t...
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