On Mon, Jan 18, 2010 at 3:57 AM, OvermindDL1 <[email protected]> wrote:
> /* snip */
I have an entity like this:
class Group;
typedef dbo::collection< dbo::ptr<Group> > Groups;
class Group
{
public:
/* snip */
Groups groups;
Groups isSubGroupOf;
/* snip */
template<class Action>
void persist(Action& a)
{
/* snip */
dbo::hasMany(a, groups, dbo::ManyToMany,
"Group_Group_Link");
dbo::hasMany(a, isSubGroupOf, dbo::ManyToMany,
"Group_Group_Link");
/* snip */
}
};
Either instead of setting the id for both sides of the ManyToMany
relationship as Group_id, should it not do Group_id1 and Group_id2, or
perhaps let hasMany take a 5th parameter that lets you name the
variable this side represents in the ManyToMany table so I could do
something like this:
/* snip */
dbo::hasMany(a, groups, dbo::ManyToMany,
"Group_Group_Link",
"Group_id_parent");
dbo::hasMany(a, isSubGroupOf, dbo::ManyToMany,
"Group_Group_Link",
"Group_id_child");
/* snip */
And yes, as stated in the other email, my Groups table I still have to
mapClass as "_Group" since table names are still not quoted, I am
running from the latest git version as of about 36 hours ago.
At the moment, anytime I run the server any session I create just
insta-dies that to duplicate _Group_id variable names in the
Group_Group_Link table.
And we need a way to redefine an existing table, at the very least to
add columns to it so I do not have to save out and re-enter my data
every time I make a change. Even something like setting a static
version number to the entity class along with a function that lets me
describe change from version to version would be perfect, then I can
say what to remove, what to add, how to reformat something, etc...
propagating all the way through the changes.
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