Merge remote-tracking branch 'origin/master' into better-union-all-try2

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1 @@
+- [ ] I hereby agree to the terms of the CLA available at: https://yandex.ru/legal/cla/?lang=en

docs/en/functions/date_time_functions.md

@@ -85,6 +85,10 @@ Note: If you need to round a date with time to any other number of seconds, minu
 
 Rounds down a date with time to the start of the hour.
 
+## toStartOfDay
+
+Rounds down a date with time to the start of the day.
+
 ## toTime
 
 Converts a date with time to a certain fixed date, while preserving the time.

docs/ru/functions/date_time_functions.md

@@ -74,6 +74,9 @@ SELECT
 ## toStartOfHour
 Округляет дату-с-временем вниз до начала часа.
 
+## toStartOfDay
+Округляет дату-с-временем вниз до начала дня.
+
 ## toTime
 Переводит дату-с-временем на некоторую фиксированную дату, сохраняя при этом время.
 

libs/libcommon/CMakeLists.txt

@@ -111,10 +111,13 @@ target_link_libraries (
     ${Boost_FILESYSTEM_LIBRARY}
     ${MALLOC_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
-    ${RT_LIBRARY}
     ${GLIBC_COMPATIBILITY_LIBRARIES}
     ${MEMCPY_LIBRARIES})
 
+if (RT_LIBRARY)
+    target_link_libraries (common ${RT_LIBRARY})
+endif ()
+
 if (ENABLE_TESTS)
     add_subdirectory (src/tests)
 endif ()

libs/libcommon/src/tests/CMakeLists.txt

@@ -14,8 +14,8 @@ target_link_libraries (date_lut2 common ${PLATFORM_LIBS})
 target_link_libraries (date_lut3 common ${PLATFORM_LIBS})
 target_link_libraries (date_lut4 common ${PLATFORM_LIBS})
 target_link_libraries (date_lut_default_timezone common ${PLATFORM_LIBS})
-target_link_libraries (multi_version common ${Boost_FILESYSTEM_LIBRARY} ${Boost_SYSTEM_LIBRARY} ${RT_LIBRARY})
+target_link_libraries (multi_version common)
 
 add_executable (unit_tests_libcommon gtest_json_test.cpp gtest_strong_typedef.cpp)
-target_link_libraries (unit_tests_libcommon gtest_main common ${Boost_FILESYSTEM_LIBRARY} ${Boost_SYSTEM_LIBRARY} ${RT_LIBRARY})
+target_link_libraries (unit_tests_libcommon gtest_main common)
 add_check(unit_tests_libcommon)

libs/libmysqlxx/src/tests/CMakeLists.txt

@@ -2,6 +2,6 @@
 add_executable (mysqlxx_test mysqlxx_test.cpp)
 add_executable (failover failover.cpp)
 
-target_link_libraries (mysqlxx_test mysqlxx ${RT_LIBRARY})
+target_link_libraries (mysqlxx_test mysqlxx)
 target_link_libraries (failover mysqlxx ${Poco_Util_LIBRARY} ${Poco_Foundation_LIBRARY})
 target_link_rt_by_force (failover)