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Enable extra warnings for base, utils, programs

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This commit is contained in:
Alexey Milovidov 2020-05-10 01:59:34 +03:00
parent fb32dbe6ee
commit a576a4fbcd
33 changed files with 261 additions and 296 deletions
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5
CMakeLists.txt
View File

@ -103,7 +103,7 @@ endif ()
include (cmake/add_warning.cmake)
if (NOT MSVC)
set (COMMON_WARNING_FLAGS "${COMMON_WARNING_FLAGS} -Wall") # -Werror is also added inside directories with our own code.
set (COMMON_WARNING_FLAGS "${COMMON_WARNING_FLAGS} -Wall") # -Werror and many more is also added inside cmake/warnings.cmake
endif ()
if (COMPILER_CLANG)
@ -403,6 +403,9 @@ endmacro()
set(ConfigIncludePath ${CMAKE_CURRENT_BINARY_DIR}/includes/configs CACHE INTERNAL "Path to generated configuration files.")
include_directories(${ConfigIncludePath})
# Add as many warnings as possible for our own code.
include (cmake/warnings.cmake)
add_subdirectory (base)
add_subdirectory (programs)
add_subdirectory (src)

3
base/common/DateLUTImpl.cpp
View File

@ -31,9 +31,8 @@ UInt8 getDayOfWeek(const cctz::civil_day & date)
case cctz::weekday::friday: return 5;
case cctz::weekday::saturday: return 6;
case cctz::weekday::sunday: return 7;
default:
throw Poco::Exception("Logical error: incorrect week day.");
}
__builtin_unreachable();
}
}

7
base/common/JSON.cpp
View File

@ -451,7 +451,10 @@ JSON JSON::operator[] (size_t n) const
size_t i = 0;
const_iterator it = begin();
while (i < n && it != end())
++it, ++i;
{
++it;
++i;
}
if (i != n)
throw JSONException("JSON: array index " + std::to_string(n) + " out of bounds.");
@ -626,7 +629,7 @@ std::string JSON::getString() const
{
unicode = Poco::NumberParser::parseHex(hex);
}
catch (const Poco::SyntaxException & e)
catch (const Poco::SyntaxException &)
{
throw JSONException("JSON: incorrect syntax: incorrect HEX code.");
}

6
base/common/demangle.cpp
View File

@ -3,12 +3,16 @@
#if defined(__has_feature)
#if __has_feature(memory_sanitizer)
#define MEMORY_SANITIZER 1
#else
#define MEMORY_SANITIZER 0
#endif
#elif defined(__MEMORY_SANITIZER__)
#define MEMORY_SANITIZER 1
#else
#define MEMORY_SANITIZER 0
#endif
#if _MSC_VER || MEMORY_SANITIZER
#if defined(_MSC_VER) || MEMORY_SANITIZER
DemangleResult tryDemangle(const char * name)
{

4
base/common/mremap.cpp
View File

@ -19,7 +19,7 @@ void * mremap_fallback(
return MAP_FAILED;
}
#if _MSC_VER
#if defined(_MSC_VER)
void * new_address = ::operator new(new_size);
#else
void * new_address = mmap(nullptr, new_size, mmap_prot, mmap_flags, mmap_fd, mmap_offset);
@ -29,7 +29,7 @@ void * mremap_fallback(
memcpy(new_address, old_address, old_size);
#if _MSC_VER
#if defined(_MSC_VER)
delete old_address;
#else
if (munmap(old_address, old_size))

2
base/common/phdr_cache.cpp
View File

@ -20,6 +20,8 @@
#define USE_PHDR_CACHE 1
#endif
#pragma GCC diagnostic ignored "-Wreserved-id-macro"
#define __msan_unpoison(X, Y)
#if defined(__has_feature)
# if __has_feature(memory_sanitizer)

14
base/common/tests/gtest_strong_typedef.cpp
View File

@ -1,5 +1,3 @@
#define BOOST_TEST_MODULE StrongTypedef
#include <common/strong_typedef.h>
#include <set>
#include <unordered_set>
@ -12,15 +10,15 @@
TEST(StrongTypedefSuite, TypedefsOfTheSameType)
{
/// check that strong typedefs of same type differ
STRONG_TYPEDEF(int, Int);
STRONG_TYPEDEF(int, AnotherInt);
STRONG_TYPEDEF(int, Int)
STRONG_TYPEDEF(int, AnotherInt)
EXPECT_TRUE(!(std::is_same<Int, AnotherInt>::value));
}
TEST(StrongTypedefSuite, Map)
{
STRONG_TYPEDEF(int, Int);
STRONG_TYPEDEF(int, Int)
/// check that this code compiles
std::set<Int> int_set;
@ -31,13 +29,13 @@ TEST(StrongTypedefSuite, Map)
TEST(StrongTypedefSuite, CopyAndMoveCtor)
{
STRONG_TYPEDEF(int, Int);
STRONG_TYPEDEF(int, Int)
Int a(1);
Int b(2);
a = b;
EXPECT_EQ(a.toUnderType(), 2);
STRONG_TYPEDEF(std::unique_ptr<int>, IntPtr);
STRONG_TYPEDEF(std::unique_ptr<int>, IntPtr)
{
IntPtr ptr;
ptr = IntPtr(std::make_unique<int>(3));
@ -57,6 +55,6 @@ TEST(StrongTypedefSuite, NoDefaultCtor)
NoDefaultCtor(int) {} // NOLINT
};
STRONG_TYPEDEF(NoDefaultCtor, MyStruct);
STRONG_TYPEDEF(NoDefaultCtor, MyStruct)
MyStruct m(1);
}

11
base/daemon/BaseDaemon.cpp
View File

@ -287,14 +287,11 @@ private:
* and send it to pipe. Other thread will read this info from pipe and asynchronously write it to log.
* Look at libstdc++-v3/libsupc++/vterminate.cc for example.
*/
static void terminate_handler()
[[noreturn]] static void terminate_handler()
{
static thread_local bool terminating = false;
if (terminating)
{
abort();
return; /// Just for convenience.
}
terminating = true;
@ -524,12 +521,12 @@ void BaseDaemon::initialize(Application & self)
/// This must be done before any usage of DateLUT. In particular, before any logging.
if (config().has("timezone"))
{
const std::string timezone = config().getString("timezone");
if (0 != setenv("TZ", timezone.data(), 1))
const std::string config_timezone = config().getString("timezone");
if (0 != setenv("TZ", config_timezone.data(), 1))
throw Poco::Exception("Cannot setenv TZ variable");
tzset();
DateLUT::setDefaultTimezone(timezone);
DateLUT::setDefaultTimezone(config_timezone);
}
std::string log_path = config().getString("logger.log", "");

4
base/mysqlxx/Exception.cpp
View File

@ -18,8 +18,6 @@ std::string errorMessage(MYSQL * driver)
return res.str();
}
/// Для внутренних нужд библиотеки.
void checkError(MYSQL * driver)
{
unsigned num = mysql_errno(driver);
@ -28,8 +26,6 @@ void checkError(MYSQL * driver)
throw Exception(errorMessage(driver), num);
}
/// Для внутренних нужд библиотеки.
void onError(MYSQL * driver)
{
throw Exception(errorMessage(driver), mysql_errno(driver));

2
base/mysqlxx/Exception.h
View File

@ -48,6 +48,6 @@ std::string errorMessage(MYSQL * driver);
/// For internal need of library.
void checkError(MYSQL * driver);
void onError(MYSQL * driver);
[[noreturn]] void onError(MYSQL * driver);
}

10
base/mysqlxx/Null.h
View File

@ -27,7 +27,7 @@ public:
Null() : is_null(true) {}
Null(const Null<T> &) = default;
Null(Null<T> &&) noexcept = default;
Null(NullType data) : is_null(true) {}
Null(NullType) : is_null(true) {}
explicit Null(const T & data_) : data(data_), is_null(false) {}
operator T & ()
@ -47,7 +47,7 @@ public:
Null<T> & operator= (Null<T> &&) noexcept = default;
Null<T> & operator= (const Null<T> &) = default;
Null<T> & operator= (const T & data_) { is_null = false; data = data_; return *this; }
Null<T> & operator= (const NullType other) { is_null = true; data = T(); return *this; }
Null<T> & operator= (const NullType) { is_null = true; data = T(); return *this; }
bool isNull() const { return is_null; }
@ -57,7 +57,7 @@ public:
|| (is_null == other.is_null && data < other.data);
}
bool operator< (const NullType other) const { return false; }
bool operator< (const NullType) const { return false; }
bool operator== (const Null<T> & other) const
{
@ -69,14 +69,14 @@ public:
return !is_null && data == other;
}
bool operator== (const NullType other) const { return is_null; }
bool operator== (const NullType) const { return is_null; }
bool operator!= (const Null<T> & other) const
{
return !(*this == other);
}
bool operator!= (const NullType other) const { return !is_null; }
bool operator!= (const NullType) const { return !is_null; }
bool operator!= (const T & other) const
{

35
base/mysqlxx/PoolWithFailover.cpp
View File

@ -10,46 +10,47 @@ static bool startsWith(const std::string & s, const char * prefix)
using namespace mysqlxx;
PoolWithFailover::PoolWithFailover(const Poco::Util::AbstractConfiguration & config,
const std::string & config_name, const unsigned default_connections,
const unsigned max_connections, const size_t max_tries)
: max_tries(max_tries)
PoolWithFailover::PoolWithFailover(const Poco::Util::AbstractConfiguration & config_,
const std::string & config_name_, const unsigned default_connections_,
const unsigned max_connections_, const size_t max_tries_)
: max_tries(max_tries_)
{
shareable = config.getBool(config_name + ".share_connection", false);
if (config.has(config_name + ".replica"))
shareable = config_.getBool(config_name_ + ".share_connection", false);
if (config_.has(config_name_ + ".replica"))
{
Poco::Util::AbstractConfiguration::Keys replica_keys;
config.keys(config_name, replica_keys);
config_.keys(config_name_, replica_keys);
for (const auto & replica_config_key : replica_keys)
{
/// There could be another elements in the same level in configuration file, like "password", "port"...
if (startsWith(replica_config_key, "replica"))
{
std::string replica_name = config_name + "." + replica_config_key;
std::string replica_name = config_name_ + "." + replica_config_key;
int priority = config.getInt(replica_name + ".priority", 0);
int priority = config_.getInt(replica_name + ".priority", 0);
replicas_by_priority[priority].emplace_back(
std::make_shared<Pool>(config, replica_name, default_connections, max_connections, config_name.c_str()));
std::make_shared<Pool>(config_, replica_name, default_connections_, max_connections_, config_name_.c_str()));
}
}
}
else
{
replicas_by_priority[0].emplace_back(
std::make_shared<Pool>(config, config_name, default_connections, max_connections));
std::make_shared<Pool>(config_, config_name_, default_connections_, max_connections_));
}
}
PoolWithFailover::PoolWithFailover(const std::string & config_name, const unsigned default_connections,
const unsigned max_connections, const size_t max_tries)
PoolWithFailover::PoolWithFailover(const std::string & config_name_, const unsigned default_connections_,
const unsigned max_connections_, const size_t max_tries_)
: PoolWithFailover{
Poco::Util::Application::instance().config(), config_name,
default_connections, max_connections, max_tries}
{}
Poco::Util::Application::instance().config(), config_name_,
default_connections_, max_connections_, max_tries_}
{
}
PoolWithFailover::PoolWithFailover(const PoolWithFailover & other)
: max_tries{other.max_tries}, config_name{other.config_name}, shareable{other.shareable}
: max_tries{other.max_tries}, shareable{other.shareable}
{
if (shareable)
{

19
base/mysqlxx/PoolWithFailover.h
View File

@ -77,7 +77,6 @@ namespace mysqlxx
size_t max_tries;
/// Mutex for set of replicas.
std::mutex mutex;
std::string config_name;
/// Can the Pool be shared
bool shareable;
@ -91,16 +90,16 @@ namespace mysqlxx
* max_connections Maximum number of connections in pool to each replica.
* max_tries_ Max number of connection tries.
*/
PoolWithFailover(const std::string & config_name,
unsigned default_connections = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_START_CONNECTIONS,
unsigned max_connections = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_CONNECTIONS,
size_t max_tries = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_TRIES);
PoolWithFailover(const std::string & config_name_,
unsigned default_connections_ = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_START_CONNECTIONS,
unsigned max_connections_ = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_CONNECTIONS,
size_t max_tries_ = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_TRIES);
PoolWithFailover(const Poco::Util::AbstractConfiguration & config,
const std::string & config_name,
unsigned default_connections = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_START_CONNECTIONS,
unsigned max_connections = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_CONNECTIONS,
size_t max_tries = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_TRIES);
PoolWithFailover(const Poco::Util::AbstractConfiguration & config_,
const std::string & config_name_,
unsigned default_connections_ = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_START_CONNECTIONS,
unsigned max_connections_ = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_CONNECTIONS,
size_t max_tries_ = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_TRIES);
PoolWithFailover(const PoolWithFailover & other);

6
base/mysqlxx/tests/mysqlxx_test.cpp
View File

@ -68,10 +68,10 @@ int main(int, char **)
Queries queries;
queries.push_back(query);
for (auto & query : queries)
for (auto & q : queries)
{
std::cerr << query.str() << std::endl;
std::cerr << query.store().at(0) << std::endl;
std::cerr << q.str() << std::endl;
std::cerr << q.store().at(0) << std::endl;
}
}

165
cmake/warnings.cmake Normal file
View File

@ -0,0 +1,165 @@
# Our principle is to enable as many warnings as possible and always do it with "warnings as errors" flag.
#
# But it comes with some cost:
# - we have to disable some warnings in 3rd party libraries (they are located in "contrib" directory)
# - we have to include headers of these libraries as -isystem to avoid warnings from headers
# (this is the same behaviour as if these libraries were located in /usr/include)
# - sometimes warnings from 3rd party libraries may come from macro substitutions in our code
# and we have to wrap them with #pragma GCC/clang diagnostic ignored
if (NOT MSVC)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
endif ()
if (USE_DEBUG_HELPERS)
set (INCLUDE_DEBUG_HELPERS "-I${ClickHouse_SOURCE_DIR}/base -include ${ClickHouse_SOURCE_DIR}/src/Core/iostream_debug_helpers.h")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${INCLUDE_DEBUG_HELPERS}")
endif ()
# Add some warnings that are not available even with -Wall -Wextra -Wpedantic.
option (WEVERYTHING "Enables -Weverything option with some exceptions. This is intended for exploration of new compiler warnings that may be found to be useful. Only makes sense for clang." ON)
if (COMPILER_CLANG)
add_warning(pedantic)
no_warning(vla-extension)
no_warning(zero-length-array)
add_warning(comma)
add_warning(conditional-uninitialized)
add_warning(covered-switch-default)
add_warning(deprecated)
add_warning(embedded-directive)
add_warning(empty-init-stmt) # linux-only
add_warning(extra-semi-stmt) # linux-only
add_warning(extra-semi)
add_warning(gnu-case-range)
add_warning(inconsistent-missing-destructor-override)
add_warning(newline-eof)
add_warning(old-style-cast)
add_warning(range-loop-analysis)
add_warning(redundant-parens)
add_warning(reserved-id-macro)
add_warning(shadow-field) # clang 8+
add_warning(shadow-uncaptured-local)
add_warning(shadow)
add_warning(string-plus-int) # clang 8+
add_warning(undef)
add_warning(unreachable-code-return)
add_warning(unreachable-code)
add_warning(unused-exception-parameter)
add_warning(unused-macros)
add_warning(unused-member-function)
add_warning(zero-as-null-pointer-constant)
if (WEVERYTHING)
add_warning(everything)
no_warning(c++98-compat-pedantic)
no_warning(c++98-compat)
no_warning(c99-extensions)
no_warning(conversion)
no_warning(ctad-maybe-unsupported) # clang 9+, linux-only
no_warning(deprecated-dynamic-exception-spec)
no_warning(disabled-macro-expansion)
no_warning(documentation-unknown-command)
no_warning(double-promotion)
no_warning(exit-time-destructors)
no_warning(float-equal)
no_warning(global-constructors)
no_warning(missing-prototypes)
no_warning(missing-variable-declarations)
no_warning(nested-anon-types)
no_warning(packed)
no_warning(padded)
no_warning(return-std-move-in-c++11) # clang 7+
no_warning(shift-sign-overflow)
no_warning(sign-conversion)
no_warning(switch-enum)
no_warning(undefined-func-template)
no_warning(unused-template)
no_warning(vla)
no_warning(weak-template-vtables)
no_warning(weak-vtables)
# TODO Enable conversion, sign-conversion, double-promotion warnings.
endif ()
elseif (COMPILER_GCC)
# Add compiler options only to c++ compiler
function(add_cxx_compile_options option)
add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:${option}>")
endfunction()
# Warn about boolean expression compared with an integer value different from true/false
add_cxx_compile_options(-Wbool-compare)
# Warn whenever a pointer is cast such that the required alignment of the target is increased.
add_cxx_compile_options(-Wcast-align)
# Warn whenever a pointer is cast so as to remove a type qualifier from the target type.
add_cxx_compile_options(-Wcast-qual)
# Warn when deleting a pointer to incomplete type, which may cause undefined behavior at runtime
add_cxx_compile_options(-Wdelete-incomplete)
# Warn if a requested optimization pass is disabled. Code is too big or too complex
add_cxx_compile_options(-Wdisabled-optimization)
# Warn about duplicated conditions in an if-else-if chain
add_cxx_compile_options(-Wduplicated-cond)
# Warn about a comparison between values of different enumerated types
add_cxx_compile_options(-Wenum-compare)
# Warn about uninitialized variables that are initialized with themselves
add_cxx_compile_options(-Winit-self)
# Warn about logical not used on the left hand side operand of a comparison
add_cxx_compile_options(-Wlogical-not-parentheses)
# Warn about suspicious uses of logical operators in expressions
add_cxx_compile_options(-Wlogical-op)
# Warn if there exists a path from the function entry to a use of the variable that is uninitialized.
add_cxx_compile_options(-Wmaybe-uninitialized)
# Warn when the indentation of the code does not reflect the block structure
add_cxx_compile_options(-Wmisleading-indentation)
# Warn if a global function is defined without a previous declaration - disabled because of build times
# add_cxx_compile_options(-Wmissing-declarations)
# Warn if a user-supplied include directory does not exist
add_cxx_compile_options(-Wmissing-include-dirs)
# Obvious
add_cxx_compile_options(-Wnon-virtual-dtor)
# Obvious
add_cxx_compile_options(-Wno-return-local-addr)
# This warning is disabled due to false positives if compiled with libc++: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90037
#add_cxx_compile_options(-Wnull-dereference)
# Obvious
add_cxx_compile_options(-Wodr)
# Obvious
add_cxx_compile_options(-Wold-style-cast)
# Warn when a function declaration hides virtual functions from a base class
# add_cxx_compile_options(-Woverloaded-virtual)
# Warn about placement new expressions with undefined behavior
add_cxx_compile_options(-Wplacement-new=2)
# Warn about anything that depends on the “size of” a function type or of void
add_cxx_compile_options(-Wpointer-arith)
# Warn if anything is declared more than once in the same scope
add_cxx_compile_options(-Wredundant-decls)
# Member initialization reordering
add_cxx_compile_options(-Wreorder)
# Obvious
add_cxx_compile_options(-Wshadow)
# Warn if left shifting a negative value
add_cxx_compile_options(-Wshift-negative-value)
# Warn about a definition of an unsized deallocation function
add_cxx_compile_options(-Wsized-deallocation)
# Warn when the sizeof operator is applied to a parameter that is declared as an array in a function definition
add_cxx_compile_options(-Wsizeof-array-argument)
# Warn for suspicious length parameters to certain string and memory built-in functions if the argument uses sizeof
add_cxx_compile_options(-Wsizeof-pointer-memaccess)
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 9)
# Warn about overriding virtual functions that are not marked with the override keyword
add_cxx_compile_options(-Wsuggest-override)
endif ()
# Warn whenever a switch statement has an index of boolean type and the case values are outside the range of a boolean type
add_cxx_compile_options(-Wswitch-bool)
# Warn if a self-comparison always evaluates to true or false
add_cxx_compile_options(-Wtautological-compare)
# Warn about trampolines generated for pointers to nested functions
add_cxx_compile_options(-Wtrampolines)
# Obvious
add_cxx_compile_options(-Wunused)
# Warn if vector operation is not implemented via SIMD capabilities of the architecture
add_cxx_compile_options(-Wvector-operation-performance)
endif ()

4
contrib/replxx-cmake/CMakeLists.txt
View File

@ -20,14 +20,14 @@ if (ENABLE_REPLXX)
)
add_library (replxx ${SRCS})
target_include_directories(replxx PUBLIC ${LIBRARY_DIR}/include)
target_include_directories(replxx SYSTEM PUBLIC ${LIBRARY_DIR}/include)
else ()
find_library(LIBRARY_REPLXX NAMES replxx replxx-static)
find_path(INCLUDE_REPLXX replxx.hxx)
add_library(replxx UNKNOWN IMPORTED)
set_property(TARGET replxx PROPERTY IMPORTED_LOCATION ${LIBRARY_REPLXX})
target_include_directories(replxx PUBLIC ${INCLUDE_REPLXX})
target_include_directories(replxx SYSTEM PUBLIC ${INCLUDE_REPLXX})
set(CMAKE_REQUIRED_LIBRARIES replxx)
check_cxx_source_compiles(

6
programs/copier/ClusterCopier.cpp
View File

@ -1837,6 +1837,8 @@ UInt64 ClusterCopier::executeQueryOnCluster(
ClusterExecutionMode execution_mode,
UInt64 max_successful_executions_per_shard) const
{
Settings current_settings = settings ? *settings : task_cluster->settings_common;
auto num_shards = cluster->getShardsInfo().size();
std::vector<UInt64> per_shard_num_successful_replicas(num_shards, 0);
@ -1844,8 +1846,7 @@ UInt64 ClusterCopier::executeQueryOnCluster(
if (query_ast_ == nullptr)
{
ParserQuery p_query(query.data() + query.size());
const auto & settings = context.getSettingsRef();
query_ast = parseQuery(p_query, query, settings.max_query_size, settings.max_parser_depth);
query_ast = parseQuery(p_query, query, current_settings.max_query_size, current_settings.max_parser_depth);
}
else
query_ast = query_ast_;
@ -1888,7 +1889,6 @@ UInt64 ClusterCopier::executeQueryOnCluster(
/// Will try to make as many as possible queries
if (shard.hasRemoteConnections())
{
Settings current_settings = settings ? *settings : task_cluster->settings_common;
current_settings.max_parallel_replicas = num_remote_replicas ? num_remote_replicas : 1;
auto timeouts = ConnectionTimeouts::getTCPTimeoutsWithFailover(current_settings).getSaturated(current_settings.max_execution_time);

2
programs/server/HTTPHandlerFactory.h
View File

@ -24,7 +24,7 @@ private:
std::vector<Poco::Net::HTTPRequestHandlerFactory *> child_factories;
public:
~HTTPRequestHandlerFactoryMain();
~HTTPRequestHandlerFactoryMain() override;
HTTPRequestHandlerFactoryMain(const std::string & name_);

2
programs/server/NotFoundHandler.cpp
View File

@ -34,4 +34,4 @@ void NotFoundHandler::handleRequest(
}
}
}
}

2
programs/server/NotFoundHandler.h
View File

@ -15,4 +15,4 @@ public:
Poco::Net::HTTPServerResponse & response) override;
};
}
}

2
programs/server/TCPHandlerFactory.h
View File

@ -38,7 +38,7 @@ public:
LOG_TRACE(log, "TCP Request. Address: " << socket.peerAddress().toString());
return new TCPHandler(server, socket);
}
catch (const Poco::Net::NetException & e)
catch (const Poco::Net::NetException &)
{
LOG_TRACE(log, "TCP Request. Client is not connected (most likely RST packet was sent).");
return new DummyTCPHandler(socket);

157
src/CMakeLists.txt
View File

@ -27,163 +27,6 @@ configure_file (Common/config.h.in ${CONFIG_COMMON})
configure_file (Common/config_version.h.in ${CONFIG_VERSION})
configure_file (Core/config_core.h.in ${CMAKE_CURRENT_BINARY_DIR}/Core/include/config_core.h)
if (NOT MSVC)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
endif ()
if (USE_DEBUG_HELPERS)
set (INCLUDE_DEBUG_HELPERS "-I${ClickHouse_SOURCE_DIR}/base -include ${ClickHouse_SOURCE_DIR}/src/Core/iostream_debug_helpers.h")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${INCLUDE_DEBUG_HELPERS}")
endif ()
# Add some warnings that are not available even with -Wall -Wextra -Wpedantic.
option (WEVERYTHING "Enables -Weverything option with some exceptions. This is intended for exploration of new compiler warnings that may be found to be useful. Only makes sense for clang." ON)
if (COMPILER_CLANG)
add_warning(pedantic)
no_warning(vla-extension)
no_warning(zero-length-array)
add_warning(comma)
add_warning(conditional-uninitialized)
add_warning(covered-switch-default)
add_warning(deprecated)
add_warning(embedded-directive)
add_warning(empty-init-stmt) # linux-only
add_warning(extra-semi-stmt) # linux-only
add_warning(extra-semi)
add_warning(gnu-case-range)
add_warning(inconsistent-missing-destructor-override)
add_warning(newline-eof)
add_warning(old-style-cast)
add_warning(range-loop-analysis)
add_warning(redundant-parens)
add_warning(reserved-id-macro)
add_warning(shadow-field) # clang 8+
add_warning(shadow-uncaptured-local)
add_warning(shadow)
add_warning(string-plus-int) # clang 8+
add_warning(undef)
add_warning(unreachable-code-return)
add_warning(unreachable-code)
add_warning(unused-exception-parameter)
add_warning(unused-macros)
add_warning(unused-member-function)
add_warning(zero-as-null-pointer-constant)
if (WEVERYTHING)
add_warning(everything)
no_warning(c++98-compat-pedantic)
no_warning(c++98-compat)
no_warning(c99-extensions)
no_warning(conversion)
no_warning(ctad-maybe-unsupported) # clang 9+, linux-only
no_warning(deprecated-dynamic-exception-spec)
no_warning(disabled-macro-expansion)
no_warning(documentation-unknown-command)
no_warning(double-promotion)
no_warning(exit-time-destructors)
no_warning(float-equal)
no_warning(global-constructors)
no_warning(missing-prototypes)
no_warning(missing-variable-declarations)
no_warning(nested-anon-types)
no_warning(packed)
no_warning(padded)
no_warning(return-std-move-in-c++11) # clang 7+
no_warning(shift-sign-overflow)
no_warning(sign-conversion)
no_warning(switch-enum)
no_warning(undefined-func-template)
no_warning(unused-template)
no_warning(vla)
no_warning(weak-template-vtables)
no_warning(weak-vtables)
# TODO Enable conversion, sign-conversion, double-promotion warnings.
endif ()
elseif (COMPILER_GCC)
# Add compiler options only to c++ compiler
function(add_cxx_compile_options option)
add_compile_options("$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:${option}>")
endfunction()
# Warn about boolean expression compared with an integer value different from true/false
add_cxx_compile_options(-Wbool-compare)
# Warn whenever a pointer is cast such that the required alignment of the target is increased.
add_cxx_compile_options(-Wcast-align)
# Warn whenever a pointer is cast so as to remove a type qualifier from the target type.
add_cxx_compile_options(-Wcast-qual)
# Warn when deleting a pointer to incomplete type, which may cause undefined behavior at runtime
add_cxx_compile_options(-Wdelete-incomplete)
# Warn if a requested optimization pass is disabled. Code is too big or too complex
add_cxx_compile_options(-Wdisabled-optimization)
# Warn about duplicated conditions in an if-else-if chain
add_cxx_compile_options(-Wduplicated-cond)
# Warn about a comparison between values of different enumerated types
add_cxx_compile_options(-Wenum-compare)
# Warn about uninitialized variables that are initialized with themselves
add_cxx_compile_options(-Winit-self)
# Warn about logical not used on the left hand side operand of a comparison
add_cxx_compile_options(-Wlogical-not-parentheses)
# Warn about suspicious uses of logical operators in expressions
add_cxx_compile_options(-Wlogical-op)
# Warn if there exists a path from the function entry to a use of the variable that is uninitialized.
add_cxx_compile_options(-Wmaybe-uninitialized)
# Warn when the indentation of the code does not reflect the block structure
add_cxx_compile_options(-Wmisleading-indentation)
# Warn if a global function is defined without a previous declaration - disabled because of build times
# add_cxx_compile_options(-Wmissing-declarations)
# Warn if a user-supplied include directory does not exist
add_cxx_compile_options(-Wmissing-include-dirs)
# Obvious
add_cxx_compile_options(-Wnon-virtual-dtor)
# Obvious
add_cxx_compile_options(-Wno-return-local-addr)
# This warning is disabled due to false positives if compiled with libc++: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90037
#add_cxx_compile_options(-Wnull-dereference)
# Obvious
add_cxx_compile_options(-Wodr)
# Obvious
add_cxx_compile_options(-Wold-style-cast)
# Warn when a function declaration hides virtual functions from a base class
# add_cxx_compile_options(-Woverloaded-virtual)
# Warn about placement new expressions with undefined behavior
add_cxx_compile_options(-Wplacement-new=2)
# Warn about anything that depends on the “size of” a function type or of void
add_cxx_compile_options(-Wpointer-arith)
# Warn if anything is declared more than once in the same scope
add_cxx_compile_options(-Wredundant-decls)
# Member initialization reordering
add_cxx_compile_options(-Wreorder)
# Obvious
add_cxx_compile_options(-Wshadow)
# Warn if left shifting a negative value
add_cxx_compile_options(-Wshift-negative-value)
# Warn about a definition of an unsized deallocation function
add_cxx_compile_options(-Wsized-deallocation)
# Warn when the sizeof operator is applied to a parameter that is declared as an array in a function definition
add_cxx_compile_options(-Wsizeof-array-argument)
# Warn for suspicious length parameters to certain string and memory built-in functions if the argument uses sizeof
add_cxx_compile_options(-Wsizeof-pointer-memaccess)
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 9)
# Warn about overriding virtual functions that are not marked with the override keyword
add_cxx_compile_options(-Wsuggest-override)
endif ()
# Warn whenever a switch statement has an index of boolean type and the case values are outside the range of a boolean type
add_cxx_compile_options(-Wswitch-bool)
# Warn if a self-comparison always evaluates to true or false
add_cxx_compile_options(-Wtautological-compare)
# Warn about trampolines generated for pointers to nested functions
add_cxx_compile_options(-Wtrampolines)
# Obvious
add_cxx_compile_options(-Wunused)
# Warn if vector operation is not implemented via SIMD capabilities of the architecture
add_cxx_compile_options(-Wvector-operation-performance)
endif ()
if (COMPILER_GCC)
# If we leave this optimization enabled, gcc-7 replaces a pair of SSE intrinsics (16 byte load, store) with a call to memcpy.
# It leads to slow code. This is compiler bug. It looks like this:

50
utils/check-marks/main.cpp
View File

@ -26,54 +26,7 @@ namespace DB
}
/// Read and check header of compressed block. Print size of decompressed and compressed data.
std::pair<UInt32, UInt32> stat(DB::ReadBuffer & in, DB::WriteBuffer & out)
{
if (in.eof())
return {};
in.ignore(16); /// checksum
char header[COMPRESSED_BLOCK_HEADER_SIZE];
in.readStrict(header, COMPRESSED_BLOCK_HEADER_SIZE);
UInt32 size_compressed = unalignedLoad<UInt32>(&header[1]);
if (size_compressed > DBMS_MAX_COMPRESSED_SIZE)
throw DB::Exception("Too large size_compressed. Most likely corrupted data.", DB::ErrorCodes::TOO_LARGE_SIZE_COMPRESSED);
UInt32 size_decompressed = unalignedLoad<UInt32>(&header[5]);
return {size_compressed, size_decompressed};
}
void checkCompressedHeaders(const std::string & mrk_path, const std::string & bin_path)
{
DB::ReadBufferFromFile mrk_in(mrk_path);
DB::ReadBufferFromFile bin_in(bin_path, 4096); /// Small buffer size just to check header of compressed block.
DB::WriteBufferFromFileDescriptor out(STDOUT_FILENO);
for (size_t mark_num = 0; !mrk_in.eof(); ++mark_num)
{
UInt64 offset_in_compressed_file = 0;
UInt64 offset_in_decompressed_block = 0;
DB::readBinary(offset_in_compressed_file, mrk_in);
DB::readBinary(offset_in_decompressed_block, mrk_in);
out << "Mark " << mark_num << ", points to " << offset_in_compressed_file << ", " << offset_in_decompressed_block << ". ";
bin_in.seek(offset_in_compressed_file, SEEK_SET);
auto sizes = stat(bin_in, out);
out << "Block sizes: " << sizes.first << ", " << sizes.second << '\n' << DB::flush;
}
}
void checkByCompressedReadBuffer(const std::string & mrk_path, const std::string & bin_path)
static void checkByCompressedReadBuffer(const std::string & mrk_path, const std::string & bin_path)
{
DB::ReadBufferFromFile mrk_in(mrk_path);
DB::CompressedReadBufferFromFile bin_in(bin_path, 0, 0, 0);
@ -125,7 +78,6 @@ int main(int argc, char ** argv)
try
{
/// checkCompressedHeaders(argv[1], argv[2]);
checkByCompressedReadBuffer(argv[1], argv[2]);
}
catch (const DB::Exception & e)

4
utils/compressor/decompress_perf.cpp
View File

@ -119,8 +119,8 @@ protected:
public:
/// 'compressed_in' could be initialized lazily, but before first call of 'readCompressedData'.
FasterCompressedReadBufferBase(ReadBuffer * in, ssize_t variant)
: compressed_in(in), own_compressed_buffer(COMPRESSED_BLOCK_HEADER_SIZE), variant(variant), perf_stat(variant)
FasterCompressedReadBufferBase(ReadBuffer * in, ssize_t variant_)
: compressed_in(in), own_compressed_buffer(COMPRESSED_BLOCK_HEADER_SIZE), variant(variant_), perf_stat(variant)
{
}

11
utils/corrector_utf8/corrector_utf8.cpp
View File

@ -5,11 +5,12 @@
#include <IO/WriteBufferValidUTF8.h>
#include <IO/copyData.h>
int main(int argc, char **argv)
int main(int, char **)
{
DB::ReadBufferFromFileDescriptor rb(STDIN_FILENO);
DB::WriteBufferFromFileDescriptor wb(STDOUT_FILENO);
DB::WriteBufferValidUTF8 utf8_b(wb);
DB::copyData(rb, utf8_b);
using namespace DB;
ReadBufferFromFileDescriptor rb(STDIN_FILENO);
WriteBufferFromFileDescriptor wb(STDOUT_FILENO);
WriteBufferValidUTF8 utf8_b(wb);
copyData(rb, utf8_b);
return 0;
}

2
utils/iotest/iotest.cpp
View File

@ -88,7 +88,7 @@ int mainImpl(int argc, char ** argv)
{
using namespace DB;
const char * file_name = 0;
const char * file_name = nullptr;
int mode = MODE_NONE;
UInt64 min_offset = 0;
UInt64 max_offset = 0;

4
utils/iotest/iotest_aio.cpp
View File

@ -1,4 +1,4 @@
#if __APPLE__ || __FreeBSD__
#if !OS_LINUX
int main(int, char **) { return 0; }
#else
@ -138,7 +138,7 @@ int mainImpl(int argc, char ** argv)
{
using namespace DB;
const char * file_name = 0;
const char * file_name = nullptr;
int mode = MODE_READ;
UInt64 min_offset = 0;
UInt64 max_offset = 0;

2
utils/iotest/iotest_nonblock.cpp
View File

@ -47,7 +47,7 @@ int mainImpl(int argc, char ** argv)
{
using namespace DB;
const char * file_name = 0;
const char * file_name = nullptr;
Mode mode = MODE_READ;
UInt64 min_offset = 0;
UInt64 max_offset = 0;

6
utils/test-data-generator/CMakeLists.txt
View File

@ -1,4 +1,6 @@
if(USE_PROTOBUF)
add_compile_options(-Wno-zero-as-null-pointer-constant) # Protobuf generated files
if (USE_PROTOBUF)
protobuf_generate_cpp(ProtobufDelimitedMessagesSerializer_Srcs ProtobufDelimitedMessagesSerializer_Hdrs ${CMAKE_CURRENT_SOURCE_DIR}/../../tests/queries/0_stateless/00825_protobuf_format.proto)
protobuf_generate_cpp(ProtobufDelimitedMessagesSerializer_Srcs2 ProtobufDelimitedMessagesSerializer_Hdrs2 ${CMAKE_CURRENT_SOURCE_DIR}/../../tests/queries/0_stateless/00825_protobuf_format_syntax2.proto)
add_executable (ProtobufDelimitedMessagesSerializer ProtobufDelimitedMessagesSerializer.cpp ${ProtobufDelimitedMessagesSerializer_Srcs} ${ProtobufDelimitedMessagesSerializer_Hdrs} ${ProtobufDelimitedMessagesSerializer_Srcs2} ${ProtobufDelimitedMessagesSerializer_Hdrs2})
@ -6,4 +8,4 @@ if(USE_PROTOBUF)
target_link_libraries (ProtobufDelimitedMessagesSerializer PRIVATE ${Protobuf_LIBRARY} ${Boost_PROGRAM_OPTIONS_LIBRARY})
get_filename_component(ProtobufDelimitedMessagesSerializer_OutputDir "${CMAKE_CURRENT_LIST_DIR}/../../tests/queries/0_stateless" REALPATH)
target_compile_definitions(ProtobufDelimitedMessagesSerializer PRIVATE OUTPUT_DIR="${ProtobufDelimitedMessagesSerializer_OutputDir}")
endif()
endif ()

2
utils/zookeeper-adjust-block-numbers-to-parts/main.cpp
View File

@ -279,7 +279,7 @@ try
return 0;
}
catch (const Poco::Exception & e)
catch (...)
{
std::cerr << DB::getCurrentExceptionMessage(true) << '\n';
throw;

4
utils/zookeeper-cli/zookeeper-cli.cpp
View File

@ -108,13 +108,13 @@ int main(int argc, char ** argv)
{
DB::ReadBufferFromString in(line);
std::string path;
std::string path_ignored;
std::string data;
std::string mode;
DB::assertString("create", in);
DB::skipWhitespaceIfAny(in);
readMaybeQuoted(path, in);
readMaybeQuoted(path_ignored, in);
DB::skipWhitespaceIfAny(in);
readMaybeQuoted(data, in);
DB::skipWhitespaceIfAny(in);

2
utils/zookeeper-create-entry-to-download-part/main.cpp
View File

@ -40,7 +40,7 @@ try
zookeeper.create(path + "/queue-", entry.toString(), zkutil::CreateMode::PersistentSequential);
return 0;
}
catch (const Poco::Exception & e)
catch (...)
{
std::cerr << DB::getCurrentExceptionMessage(true) << '\n';
throw;

2
utils/zookeeper-remove-by-list/main.cpp
View File

@ -59,7 +59,7 @@ try
return 0;
}
catch (const Poco::Exception & e)
catch (...)
{
std::cerr << DB::getCurrentExceptionMessage(true) << '\n';
throw;