bool ObjectStore::update_indexes(Group *group, Schema &schema) {
bool changed = false;
for (auto& object_schema : schema) {
TableRef table = table_for_object_type(group, object_schema.name);
if (!table) {
continue;
}
for (auto& property : object_schema.persisted_properties) {
if (property.requires_index() == table->has_search_index(property.table_column)) {
continue;
}
changed = true;
if (property.requires_index()) {
try {
table->add_search_index(property.table_column);
}
catch (LogicError const&) {
throw PropertyTypeNotIndexableException(object_schema.name, property);
}
}
else {
table->remove_search_index(property.table_column);
}
}
}
return changed;
}
bool ObjectStore::update_indexes(Group *group, Schema &schema) {
bool changed = false;
for (auto& object_schema : schema) {
TableRef table = table_for_object_type(group, object_schema.name);
if (!table) {
continue;
}
for (auto& property : object_schema.properties) {
if (property.requires_index() == table->has_search_index(property.table_column)) {
continue;
}
changed = true;
if (property.requires_index()) {
try {
table->add_search_index(property.table_column);
}
catch (LogicError const&) {
throw ObjectStoreException(ObjectStoreException::Kind::RealmPropertyTypeNotIndexable, {
{"object_type", object_schema.name},
{"property_name", property.name},
{"property_type", string_for_property_type(property.type)}
});
}
}
else {
table->remove_search_index(property.table_column);
}
}
}
return changed;
}
void ObjectStore::rename_property(Group *group, Schema& passed_schema, StringData object_type, StringData old_name, StringData new_name) {
TableRef table = table_for_object_type(group, object_type);
if (!table) {
throw PropertyRenameMissingNewObjectTypeException(object_type);
}
ObjectSchema matching_schema(group, object_type);
Property *old_property = matching_schema.property_for_name(old_name);
if (old_property == nullptr) {
throw PropertyRenameMissingOldPropertyException(old_name, new_name);
}
auto passed_object_schema = passed_schema.find(object_type);
if (passed_object_schema == passed_schema.end()) {
throw PropertyRenameMissingNewObjectTypeException(object_type);
}
Property *new_property = matching_schema.property_for_name(new_name);
if (new_property == nullptr) {
// new property not in new schema, which means we're probably renaming
// to an intermediate property in a multi-version migration.
// this is safe because the migration will fail schema validation unless
// this property is renamed again.
new_property = matching_schema.property_for_name(old_name);
new_property->name = new_name;
table->rename_column(old_property->table_column, new_name);
return;
}
if (old_property->type != new_property->type ||
old_property->object_type != new_property->object_type) {
throw PropertyRenameTypeMismatchException(*old_property, *new_property);
}
if (passed_object_schema->property_for_name(old_name) != nullptr) {
throw PropertyRenameOldStillExistsException(old_name, new_name);
}
size_t column_to_remove = new_property->table_column;
table->rename_column(old_property->table_column, new_name);
table->remove_column(column_to_remove);
// update table_column for each property since it may have shifted
for (auto& current_prop : passed_object_schema->persisted_properties) {
auto target_prop = matching_schema.property_for_name(current_prop.name);
current_prop.table_column = target_prop->table_column;
}
// update index for new column
if (new_property->requires_index() && !old_property->requires_index()) {
table->add_search_index(old_property->table_column);
} else if (!new_property->requires_index() && old_property->requires_index()) {
table->remove_search_index(old_property->table_column);
}
old_property->name = new_name;
// update nullability for column
if (property_can_be_migrated_to_nullable(*old_property, *new_property)) {
new_property->table_column = old_property->table_column;
old_property->table_column = old_property->table_column + 1;
table->insert_column(new_property->table_column, DataType(new_property->type), new_property->name, new_property->is_nullable);
copy_property_values(*old_property, *new_property, *table);
table->remove_column(old_property->table_column);
old_property->table_column = new_property->table_column;
}
}