/*@brief search index catalog object from all cached database objects
* @param index_oid
* @return index catalog object; if not found return null
*/
std::shared_ptr<IndexCatalogObject> DatabaseCatalogObject::GetCachedIndexObject(
oid_t index_oid) {
for (auto it = table_objects_cache.begin(); it != table_objects_cache.end();
++it) {
auto table_object = it->second;
auto index_object = table_object->GetIndexObject(index_oid, true);
if (index_object) return index_object;
}
return nullptr;
}
/*@brief search index catalog object from all cached database objects
* @param index_name
* @return index catalog object; if not found return null
*/
std::shared_ptr<IndexCatalogObject> DatabaseCatalogObject::GetCachedIndexObject(
const std::string &index_name, const std::string &schema_name) {
for (auto it = table_objects_cache.begin(); it != table_objects_cache.end();
++it) {
auto table_object = it->second;
if (table_object != nullptr &&
table_object->GetSchemaName() == schema_name) {
auto index_object = table_object->GetIndexObject(index_name, true);
if (index_object) return index_object;
}
}
return nullptr;
}
TEST_F(CatalogTests, CreatingDatabase) {
auto &txn_manager = concurrency::TransactionManagerFactory::GetInstance();
auto txn = txn_manager.BeginTransaction();
catalog::Catalog::GetInstance()->CreateDatabase("EMP_DB", txn);
auto table_object = catalog::Catalog::GetInstance()->GetTableObject(
CATALOG_DATABASE_NAME, INDEX_CATALOG_NAME, txn);
auto index_object = table_object->GetIndexObject(INDEX_CATALOG_PKEY_OID);
std::vector<oid_t> key_attrs = index_object->GetKeyAttrs();
EXPECT_EQ("EMP_DB", catalog::Catalog::GetInstance()
->GetDatabaseWithName("EMP_DB", txn)
->GetDBName());
txn_manager.CommitTransaction(txn);
EXPECT_EQ(1, key_attrs.size());
EXPECT_EQ(0, key_attrs[0]);
}
