/**
* @brief Serialize LogRecordHeader
* @param output
*/
void TupleRecord::SerializeHeader(CopySerializeOutput &output) {
// Record LogRecordType first
output.WriteEnumInSingleByte(log_record_type);
size_t start = output.Position();
// then reserve 4 bytes for the header size
output.WriteInt(0);
output.WriteLong(db_oid);
output.WriteLong(table_oid);
output.WriteLong(txn_id);
output.WriteLong(insert_location.block);
output.WriteLong(insert_location.offset);
output.WriteLong(delete_location.block);
output.WriteLong(delete_location.offset);
output.WriteIntAt(
start, static_cast<int32_t>(output.Position() - start - sizeof(int32_t)));
}
/**
* @brief Serialize given data
* @return true if we serialize data otherwise false
*/
bool TransactionRecord::Serialize(CopySerializeOutput &output) {
bool status = true;
output.Reset();
// First, write out the log record type
output.WriteEnumInSingleByte(log_record_type);
// Then reserve 4 bytes for the header size to be written later
size_t start = output.Position();
output.WriteInt(0);
output.WriteLong(cid);
// Write out the header now
int32_t header_length =
static_cast<int32_t>(output.Position() - start - sizeof(int32_t));
output.WriteIntAt(start, header_length);
message_length = output.Size();
message = new char[message_length];
PL_MEMCPY(message, output.Data(), message_length);
return status;
}
