void PosUpdateScan::executePlanOperation() { auto c_pc = checked_pointer_cast<const PointerCalculator>(input.getTable(0)); auto c_store = checked_pointer_cast<const storage::Store>(c_pc->getActualTable()); // Cast the constness away auto store = std::const_pointer_cast<storage::Store>(c_store); // Get the current maximum size const auto& beforSize = store->size(); // Get the offset for inserts into the delta and the size of the delta that // we need to increase by the positions we are inserting auto writeArea = store->appendToDelta(c_pc->getPositions()->size()); // Get the modification record for the current transaction auto& txmgr = tx::TransactionManager::getInstance(); auto& modRecord = txmgr[_txContext.tid]; // Functor we use for updating the data set_json_value_functor fun(store->getDeltaTable()); storage::type_switch<hyrise_basic_types> ts; size_t counter = 0; for(const auto& p : *(c_pc->getPositions())) { // First delete the old record bool deleteOk = store->markForDeletion(p, _txContext.tid) == hyrise::tx::TX_CODE::TX_OK; if(!deleteOk) { txmgr.rollbackTransaction(_txContext); throw std::runtime_error("Aborted TX because TID of other TX found"); } modRecord.deletePos(store, p); //store->setTid(p, _txContext.tid); // Copy the old row from the main store->copyRowToDelta(store, p, writeArea.first+counter, _txContext.tid); // Update all the necessary values for(const auto& kv : _raw_data) { const auto& fld = store->numberOfColumn(kv.first); fun.set(fld, writeArea.first+counter, kv.second); ts(store->typeOfColumn(fld), fun); } // Insert the new one modRecord.insertPos(store, beforSize+counter); ++counter; } // Update affected rows auto rsp = getResponseTask(); if (rsp != nullptr) rsp->incAffectedRows(counter); addResult(c_store); }
TEST_F(CopyRowFromTests, string_test) { std::vector<std::string> data({"123", "123", "123", "123", "123", "123", "123", "123", "123", "123"}); auto t = io::Loader::shortcuts::load("test/lin_xxs.tbl"); auto store = std::dynamic_pointer_cast<Store>(t); auto writeArea = store->appendToDelta(1); store->copyRowToDeltaFromStringVector(data, writeArea.first, 0); for (size_t i = 0; i < data.size(); i++) ASSERT_EQ(123, store->getDeltaTable()->getValue<int>(i, 0)); }
std::pair<size_t, size_t> Store::resizeDelta(size_t num) { assert(num > delta->size()); return appendToDelta(num - delta->size()); }