I think ideally I would like to create an auto increment column that
has no requirement for uniqueness. So if 6 was the last entry, and
there are 10 of them, 7 would still be the next, is this possible?
I am assuming it is not?
I am working in a case where data is needing to be de-normalized, and
I have never had to do this before. In the past, this would be a join
away.
Now I have one table, it will have a single parent record, with x
children records. I start with an `id` primary key auto inc field,
standard stuff.
Keeping it simple, lets say I have:
id, group_id, foo, bar, baz
I will do a batch of inserts, where the first record is the parent,
and the rest are children. The first parent record is what is getting
me stuck, I need to give it a group_id, but all the children will need
to have the same group id.
I could do one insert on the parent, get the returned id, and then
update the group_id on the parent to the same id, but that is an
insert and an update, I want to avoid the update.
Can I insert into table set foo = 'test', `group_id` = `id`
Or is that too soon in the insert trasaction to be noticed?
I can allow the parent to have an empty group_id, and use the id as
what I search on, but it seems messy.
Suggestions?
Thank you all
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