Comments (1)
Good catch, I was indeed able to reproduce it.
I have done my tests of the mysql
feature using mariadb
instead of the actual mysql
and I didn't encounter that issue.
It seems that MySQL does not support computed expressions as a default for columns:
https://stackoverflow.com/questions/360467/mysql-set-default-value-for-field-as-a-string-concatenation-function
The most immediate fix would be to remove these defaults and use triggers to set the values if not specified upon insert:
create table crates (
id bigint not null auto_increment unique primary key,
name varchar(255) not null unique,
description varchar(4096),
created_at varchar(25),
updated_at varchar(25),
downloads bigint not null default 0,
documentation varchar(1024),
repository varchar(1024)
);
delimiter //
create trigger default_crate_fields
before insert on crates
for each row
begin
if (new.created_at is null) then
set new.created_at = concat(utc_date(), ' ', utc_time());
end if;
if (new.updated_at is null) then
set new.updated_at = new.created_at;
end if;
end//
delimiter ;
Another route could be to just not use defaults nor triggers and just always specify these dates when inserting to the database.
I think the second option would be better because specifying the date is technically easy and would simplify the schema for every vendors.
Also, the first option makes the created_at
and updated_at
columns nullable.
So, I think I'll be pushing a PR for option 2.
from alexandrie.
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