uint64_t ObjectStore::get_schema_version(const Group *group) {
ConstTableRef table = group->get_table(c_metadataTableName);
if (!table || table->get_column_count() == 0) {
return ObjectStore::NotVersioned;
}
return table->get_int(c_versionColumnIndex, c_zeroRowIndex);
}
ObjectSchema::ObjectSchema(Group const& group, StringData name, size_t index) : name(name) {
ConstTableRef table;
if (index < group.size()) {
table = group.get_table(index);
}
else {
table = ObjectStore::table_for_object_type(group, name);
}
size_t count = table->get_column_count();
persisted_properties.reserve(count);
for (size_t col = 0; col < count; col++) {
if (auto property = ObjectStore::property_for_column_index(table, col)) {
persisted_properties.push_back(std::move(property.value()));
}
}
primary_key = realm::ObjectStore::get_primary_key_for_object(group, name);
set_primary_key_property();
}
ObjectSchema::ObjectSchema(const Group *group, const std::string &name) : name(name) {
ConstTableRef table = ObjectStore::table_for_object_type(group, name);
size_t count = table->get_column_count();
properties.reserve(count);
for (size_t col = 0; col < count; col++) {
Property property;
property.name = table->get_column_name(col).data();
property.type = (PropertyType)table->get_column_type(col);
property.is_indexed = table->has_search_index(col);
property.is_primary = false;
property.is_nullable = table->is_nullable(col) || property.type == PropertyType::Object;
property.table_column = col;
if (property.type == PropertyType::Object || property.type == PropertyType::Array) {
// set link type for objects and arrays
ConstTableRef linkTable = table->get_link_target(col);
property.object_type = ObjectStore::object_type_for_table_name(linkTable->get_name().data());
}
properties.push_back(std::move(property));
}
primary_key = realm::ObjectStore::get_primary_key_for_object(group, name);
set_primary_key_property();
}