mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 23:21:59 +00:00
Minor cleanup in Client.cpp before fuzzing
This commit is contained in:
Alexander Kuzmenkov
parent
751319d0ef
commit
a739a10556
@ -177,10 +177,10 @@ private:
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ASTPtr parsed_query;
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/// The last exception that was received from the server. Is used for the return code in batch mode.
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std::unique_ptr<Exception> last_exception;
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std::unique_ptr<Exception> last_exception_received_from_server;
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/// If the last query resulted in exception.
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bool got_exception = false;
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bool received_exception_from_server = false;
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int expected_server_error = 0;
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int expected_client_error = 0;
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int actual_server_error = 0;
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@ -616,7 +616,7 @@ private:
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try
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{
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if (!process(input))
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if (!processQueryText(input))
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break;
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}
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catch (const Exception & e)
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@ -657,8 +657,8 @@ private:
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nonInteractive();
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/// If exception code isn't zero, we should return non-zero return code anyway.
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if (last_exception)
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return last_exception->code() != 0 ? last_exception->code() : -1;
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if (last_exception_received_from_server)
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return last_exception_received_from_server->code() != 0 ? last_exception_received_from_server->code() : -1;
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return 0;
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}
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@ -753,111 +753,114 @@ private:
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readStringUntilEOF(text, in);
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}
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process(text);
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processQueryText(text);
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}
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bool process(const String & text)
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bool processQueryText(const String & text)
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{
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if (exit_strings.end() != exit_strings.find(trim(text, [](char c){ return isWhitespaceASCII(c) || c == ';'; })))
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return false;
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const bool test_mode = config().has("testmode");
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if (config().has("multiquery"))
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if (!config().has("multiquery"))
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{
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{ /// disable logs if expects errors
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TestHint test_hint(test_mode, text);
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if (test_hint.clientError() || test_hint.serverError())
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process("SET send_logs_level = 'none'");
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}
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/// Several queries separated by ';'.
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/// INSERT data is ended by the end of line, not ';'.
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const char * begin = text.data();
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const char * end = begin + text.size();
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while (begin < end)
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{
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const char * pos = begin;
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ASTPtr ast = parseQuery(pos, end, true);
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if (!ast)
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{
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if (ignore_error)
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{
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Tokens tokens(begin, end);
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IParser::Pos token_iterator(tokens, context.getSettingsRef().max_parser_depth);
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while (token_iterator->type != TokenType::Semicolon && token_iterator.isValid())
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++token_iterator;
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begin = token_iterator->end;
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continue;
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}
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return true;
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}
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auto * insert = ast->as<ASTInsertQuery>();
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if (insert && insert->data)
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{
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pos = find_first_symbols<'\n'>(insert->data, end);
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insert->end = pos;
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}
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String str = text.substr(begin - text.data(), pos - begin);
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begin = pos;
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while (isWhitespaceASCII(*begin) || *begin == ';')
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++begin;
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TestHint test_hint(test_mode, str);
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expected_client_error = test_hint.clientError();
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expected_server_error = test_hint.serverError();
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try
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{
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auto ast_to_process = ast;
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if (insert && insert->data)
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ast_to_process = nullptr;
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if (!processSingleQuery(str, ast_to_process) && !ignore_error)
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return false;
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}
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catch (...)
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{
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last_exception = std::make_unique<Exception>(getCurrentExceptionMessage(true), getCurrentExceptionCode());
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actual_client_error = last_exception->code();
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if (!ignore_error && (!actual_client_error || actual_client_error != expected_client_error))
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std::cerr << "Error on processing query: " << str << std::endl << last_exception->message();
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got_exception = true;
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}
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if (!test_hint.checkActual(actual_server_error, actual_client_error, got_exception, last_exception))
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connection->forceConnected(connection_parameters.timeouts);
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if (got_exception && !ignore_error)
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{
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if (is_interactive)
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break;
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else
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return false;
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}
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}
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processSingleQuery(text);
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return true;
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}
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else
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{
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return processSingleQuery(text);
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return processMultiQuery(text);
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}
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bool processMultiQuery(const String & text)
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{
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const bool test_mode = config().has("testmode");
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{ /// disable logs if expects errors
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TestHint test_hint(test_mode, text);
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if (test_hint.clientError() || test_hint.serverError())
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processSingleQuery("SET send_logs_level = 'none'");
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}
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/// Several queries separated by ';'.
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/// INSERT data is ended by the end of line, not ';'.
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const char * begin = text.data();
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const char * end = begin + text.size();
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while (begin < end)
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{
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const char * pos = begin;
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ASTPtr orig_ast = parseQuery(pos, end, true);
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if (!orig_ast)
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{
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if (ignore_error)
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{
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Tokens tokens(begin, end);
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IParser::Pos token_iterator(tokens, context.getSettingsRef().max_parser_depth);
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while (token_iterator->type != TokenType::Semicolon && token_iterator.isValid())
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++token_iterator;
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begin = token_iterator->end;
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continue;
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}
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return true;
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}
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auto * insert = orig_ast->as<ASTInsertQuery>();
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if (insert && insert->data)
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{
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pos = find_first_symbols<'\n'>(insert->data, end);
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insert->end = pos;
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}
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String str = text.substr(begin - text.data(), pos - begin);
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begin = pos;
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while (isWhitespaceASCII(*begin) || *begin == ';')
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++begin;
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TestHint test_hint(test_mode, str);
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expected_client_error = test_hint.clientError();
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expected_server_error = test_hint.serverError();
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try
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{
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auto ast_to_process = orig_ast;
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if (insert && insert->data)
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ast_to_process = nullptr;
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processSingleQuery(str, ast_to_process);
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}
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catch (...)
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{
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last_exception_received_from_server = std::make_unique<Exception>(getCurrentExceptionMessage(true), getCurrentExceptionCode());
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actual_client_error = last_exception_received_from_server->code();
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if (!ignore_error && (!actual_client_error || actual_client_error != expected_client_error))
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std::cerr << "Error on processing query: " << str << std::endl << last_exception_received_from_server->message();
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received_exception_from_server = true;
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}
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if (!test_hint.checkActual(actual_server_error, actual_client_error, received_exception_from_server, last_exception_received_from_server))
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connection->forceConnected(connection_parameters.timeouts);
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if (received_exception_from_server && !ignore_error)
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{
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if (is_interactive)
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break;
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else
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return false;
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}
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}
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return true;
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}
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bool processSingleQuery(const String & line, ASTPtr parsed_query_ = nullptr)
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void processSingleQuery(const String & line, ASTPtr parsed_query_ = nullptr)
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{
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resetOutput();
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got_exception = false;
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received_exception_from_server = false;
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if (echo_queries)
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{
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@ -880,7 +883,7 @@ private:
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}
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if (!parsed_query)
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return true;
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return;
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processed_rows = 0;
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progress.reset();
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@ -924,7 +927,7 @@ private:
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}
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/// Do not change context (current DB, settings) in case of an exception.
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if (!got_exception)
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if (!received_exception_from_server)
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{
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if (const auto * set_query = parsed_query->as<ASTSetQuery>())
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{
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@ -962,8 +965,6 @@ private:
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{
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std::cerr << watch.elapsedSeconds() << "\n";
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}
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return true;
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}
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@ -998,9 +999,11 @@ private:
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query = serializeAST(*parsed_query);
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}
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static constexpr size_t max_retries = 10;
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for (size_t retry = 0; retry < max_retries; ++retry)
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int retries_left = 10;
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for (;;)
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{
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assert(retries_left > 0);
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try
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{
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connection->sendQuery(
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@ -1019,11 +1022,19 @@ private:
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}
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catch (const Exception & e)
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{
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/// Retry when the server said "Client should retry" and no rows has been received yet.
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if (processed_rows == 0 && e.code() == ErrorCodes::DEADLOCK_AVOIDED && retry + 1 < max_retries)
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continue;
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throw;
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/// Retry when the server said "Client should retry" and no rows
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/// has been received yet.
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if (processed_rows == 0
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&& e.code() == ErrorCodes::DEADLOCK_AVOIDED
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&& --retries_left)
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{
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std::cerr << "Got a transient error from the server, will"
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<< " retry (" << retries_left << " retries left)";
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}
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else
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{
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throw;
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}
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}
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}
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}
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@ -1310,8 +1321,8 @@ private:
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return true;
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case Protocol::Server::Exception:
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onException(*packet.exception);
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last_exception = std::move(packet.exception);
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onReceiveExceptionFromServer(*packet.exception);
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last_exception_received_from_server = std::move(packet.exception);
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return false;
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case Protocol::Server::Log:
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@ -1342,8 +1353,8 @@ private:
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return true;
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case Protocol::Server::Exception:
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onException(*packet.exception);
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last_exception = std::move(packet.exception);
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onReceiveExceptionFromServer(*packet.exception);
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last_exception_received_from_server = std::move(packet.exception);
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return false;
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case Protocol::Server::Log:
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@ -1376,8 +1387,8 @@ private:
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return true;
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case Protocol::Server::Exception:
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onException(*packet.exception);
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last_exception = std::move(packet.exception);
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onReceiveExceptionFromServer(*packet.exception);
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last_exception_received_from_server = std::move(packet.exception);
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return false;
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case Protocol::Server::Log:
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@ -1660,10 +1671,10 @@ private:
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}
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void onException(const Exception & e)
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void onReceiveExceptionFromServer(const Exception & e)
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{
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resetOutput();
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got_exception = true;
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received_exception_from_server = true;
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actual_server_error = e.code();
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if (expected_server_error)
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