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added FT class which is used in Model::field() methods

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FT class has following types:
   enum FieldType
   {
	default_type = 0,
        primary_key = 1,
	foreign_key = 2,
	foreign_key_in_child = 4,
	no_insertable = 8,
	no_updatable = 16,
	no_fetchable = 32, /* not supported yet */
   };
an object of FT class are now used in Model::field() methods instead of insertable/updatable/is_primary_key/... boolean flags

changed the semantic of has_foreign_key (which was a bool) flag in child Models:
now on Models and list/vector of Models you should use either FT::foreign_key or FT::foreign_key_in_child
1. FT::foreign_key means that field with this flag is a foreign key and is pointing to the child object
   (it was the case when has_foreign_key was equal to true beforehand)
2. FT::foreign_key_in child means that the foreign key is in the child object and is pointing to the parent object
This commit is contained in:
Tomasz Sowa
2021-03-10 16:20:11 +01:00
parent 133a45c84b
commit fcf1d28b18
17 changed files with 571 additions and 391 deletions
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18
samples/person.h
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@@ -77,29 +77,23 @@ public:
void map_fields()
{
field(L"id", id, false, false, true);
field(L"language_id", L"language", language);
field(L"id", id, FT::no_insertable | FT::no_updatable | FT::primary_key);
field(L"language_id", L"language", language, FT::foreign_key);
field(L"first_name", first_name);
field(L"last_name", last_name);
field(L"email", email);
field(L"person_id", L"attachments", attachments);
field(L"person_id", L"attachment2", attachment2, true, true, false);
//field(L"id", id, f::no_insertable | f::no_updatable | f::primary_key);
//field(L"person_id", attachment, f::insertable | f::updatable | f::foreign_key);
//field(L"person_id", attachment, f::insertable, f::updatable, f::foreign_key);
field(L"person_id", L"attachments", attachments, FT::foreign_key_in_child);
field(L"person_id", L"attachment2", attachment2, FT::foreign_key_in_child | FT::no_insertable | FT::no_updatable);
}
void table_name(PT::TextStream & stream)
{
// schema.table_name or just table_name
stream << "public.person";
}
void after_select()
{
if( has_primary_key_set )