예제 #1
0
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);
}
예제 #2
0
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();
}
예제 #3
0
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();
}