memgraph/include/query_engine/program_executor.hpp

32 lines
839 B
C++

#pragma once
#include <string>
#include "database/db.hpp"
#include "query_engine/exceptions/exceptions.hpp"
#include "query_engine/util.hpp"
#include "query_program.hpp"
// preparations before execution
// execution
// postprocess the results
template <typename Stream>
class ProgramExecutor
{
public:
// QueryProgram has to know about the Stream
// Stream has to be passed in this function for every execution
auto execute(QueryProgram<Stream> &program, Db &db,
Stream &stream)
{
try {
// TODO: return result of query/code exection
return program.code->run(db, program.stripped.arguments, stream);
} catch (...) {
// TODO: return more information about the error
throw QueryEngineException("code execution error");
}
}
};