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/**
* Copyright (C) 2022-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/db/exec/sbe/util/spilling.h"
namespace mongo {
namespace sbe {
void assertIgnorePrepareConflictsBehavior(OperationContext* opCtx) {
tassert(5907502,
"The operation must be ignoring conflicts and allowing writes or enforcing prepare "
"conflicts entirely",
opCtx->recoveryUnit()->getPrepareConflictBehavior() !=
PrepareConflictBehavior::kIgnoreConflicts);
}
std::pair<RecordId, KeyString::TypeBits> encodeKeyString(KeyString::Builder& kb,
const value::MaterializedRow& value) {
value.serializeIntoKeyString(kb);
auto typeBits = kb.getTypeBits();
auto rid = RecordId(kb.getBuffer(), kb.getSize());
return {rid, typeBits};
}
KeyString::Value decodeKeyString(const RecordId& rid, KeyString::TypeBits typeBits) {
auto rawKey = rid.getStr();
KeyString::Builder kb{KeyString::Version::kLatestVersion};
kb.resetFromBuffer(rawKey.rawData(), rawKey.size());
kb.setTypeBits(typeBits);
return kb.getValueCopy();
}
boost::optional<value::MaterializedRow> readFromRecordStore(OperationContext* opCtx,
RecordStore* rs,
const RecordId& rid) {
RecordData record;
if (rs->findRecord(opCtx, rid, &record)) {
auto valueReader = BufReader(record.data(), record.size());
auto val = value::MaterializedRow::deserializeForSorter(valueReader, {});
return val;
}
return boost::none;
}
int upsertToRecordStore(OperationContext* opCtx,
RecordStore* rs,
const RecordId& key,
const value::MaterializedRow& val,
const KeyString::TypeBits& typeBits, // recover type of value.
bool update) {
BufBuilder bufValue;
val.serializeForSorter(bufValue);
return upsertToRecordStore(opCtx, rs, key, bufValue, typeBits, update);
}
int upsertToRecordStore(OperationContext* opCtx,
RecordStore* rs,
const RecordId& key,
BufBuilder& buf,
const KeyString::TypeBits& typeBits, // recover type of value.
bool update) {
// Append the 'typeBits' to the end of the val's buffer so the 'key' can be reconstructed when
// draining HashAgg.
buf.appendBuf(typeBits.getBuffer(), typeBits.getSize());
assertIgnorePrepareConflictsBehavior(opCtx);
WriteUnitOfWork wuow(opCtx);
auto result = mongo::Status::OK();
if (update) {
result = rs->updateRecord(opCtx, key, buf.buf(), buf.len());
} else {
auto status = rs->insertRecord(opCtx, key, buf.buf(), buf.len(), Timestamp{});
result = status.getStatus();
}
wuow.commit();
if (!result.isOK()) {
tasserted(5843600, str::stream() << "Failed to write to disk because " << result.reason());
return 0;
}
return buf.len();
}
} // namespace sbe
} // namespace mongo
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