OpenTenBase · TiNnNnnn · Jul 19, 2022 · Jul 22, 2022 · Jul 22, 2022 · Jul 15, 2022
diff --git a/.clang-format b/.clang-format
@@ -97,15 +97,15 @@ ConstructorInitializerIndentWidth: 4
 ContinuationIndentWidth: 4
 Cpp11BracedListStyle: true
 DeriveLineEnding: true
-DerivePointerAlignment: true
+#DerivePointerAlignment: true
 DisableFormat:   false
 ExperimentalAutoDetectBinPacking: false
 FixNamespaceComments: true
 ForEachMacros:
   - foreach
   - Q_FOREACH
   - BOOST_FOREACH
-IncludeBlocks:   Regroup
+#IncludeBlocks:   Regroup
 IncludeCategories:
   - Regex:           '^<ext/.*\.h>'
     Priority:        2
@@ -145,7 +145,7 @@ PenaltyBreakString: 1000
 PenaltyBreakTemplateDeclaration: 10
 PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 200
-PointerAlignment: Left
+#PointerAlignment: Left
 RawStringFormats:
   - Language:        Cpp
     Delimiters:
@@ -196,7 +196,7 @@ SpacesInCStyleCastParentheses: false
 SpacesInParentheses: false
 SpacesInSquareBrackets: false
 SpaceBeforeSquareBrackets: false
-Standard:        Auto
+#Standard:        Auto
 StatementMacros:
   - Q_UNUSED
   - QT_REQUIRE_VERSION
@@ -209,8 +209,8 @@ UseTab:          Never
 DerivePointerAlignment: false
 PointerAlignment: Right
 
-# MySQL source code is allowed to use C++11 (and C++14) features.
-Standard:        Cpp11
+# MySQL source code is allowed to use the latest c++ features.
+Standard:        Latest
 
 # MySQL includes frequently are not order-independent (e.g. my_config.h needs
 # to go on top). This is unfortunate, but not something we can change easily,

diff --git a/.gitignore b/.gitignore
@@ -35,3 +35,4 @@ profile-data
 perf.data
 perf.fdata
 build_compile_optimize.sh
+var-ps_row
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -111,6 +111,12 @@ ENDIF()
 # CMake 3.5 is needed for TARGET_SOURCES(... $<TARGET_OBJECTS:${LIB}_objlib>)
 CMAKE_MINIMUM_REQUIRED(VERSION 3.5.1)
 
+# To avoid error in bolt compilation.
+IF(OPT_BOLT)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-reorder-blocks-and-partition")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-reorder-blocks-and-partition")
+ENDIF()
+
 # Will set GIT_EXECUTABLE and GIT_FOUND
 FIND_PACKAGE(Git)
 
@@ -125,6 +131,27 @@ IF(DEFINED CMAKE_BUILD_TYPE)
   SET(HAVE_CMAKE_BUILD_TYPE TRUE)
 ENDIF()
 
+
+IF(DEFINED GIT_COMMIT)
+  ADD_DEFINITIONS("-DSHOW_GIT_COMMIT=\"${GIT_COMMIT}\"")
+ENDIF()
+
+IF(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64" AND AARCH_VER EQUAL 7)
+  ADD_DEFINITIONS("-DAARCH64_V7")
+ENDIF()
+
+#Special compiler optimization for Kunpeng920 processor
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
+  execute_process(COMMAND lscpu OUTPUT_VARIABLE CPU_INFO)
+  #if(CPU_INFO MATCHES "TaiShan 200|Kunpeng920|Kunpeng 920")
+	  message("Current processor is Kunpeng 920. Compile optimization is enabled")
+    # Added compilation optimization options for KUNPENG cpu
+    ADD_DEFINITIONS("-DARCH_KUNPENG")
+    STRING_APPEND(CMAKE_CXX_FLAGS " -march=armv8-a+lse+crc  -mtune=tsv110 -fno-reorder-blocks-and-partition ")
+    set(WITH_LTO ON)
+  #endif()
+endif()
+
 OPTION(WITH_DEBUG "Use dbug/safemutex" OFF)
 OPTION(CHECK_ERRMSG_FORMAT "Check printf format for English error messages" OFF)
 
@@ -1085,6 +1112,17 @@ MACRO(MY_SANITIZER_CHECK SAN_OPT ADD_OPTIMIZATION RESULT)
   ENDIF()
 ENDMACRO()
 
+OPTION(WITH_PPOLL "Enable ppoll" OFF)
+if(WITH_PPOLL)
+  SET(HAVE_PPOLL 1) 
+endif()
+
+OPTION(WITH_PX "Enable parallel execution" ON)
+IF(WITH_PX)
+  SET(HAVE_PX 1)
+  SET(HAVE_OPT_CTX 1)
+ENDIF()
+
 OPTION(WITH_ASAN "Enable address sanitizer" OFF)
 IF(WITH_ASAN)
   IF(WIN32_CLANG)
@@ -1603,6 +1641,10 @@ ADD_DEFINITIONS(-D__STDC_FORMAT_MACROS)    # Enable C99 printf format macros
 ADD_DEFINITIONS(-D_USE_MATH_DEFINES)       # Get access to M_PI, M_E, etc. in math.h
 ADD_DEFINITIONS(-DLZ4_DISABLE_DEPRECATE_WARNINGS) # C++14 deprecation warnings in LZ4.
 
+IF(GCC_VERSION VERSION_GREATER_EQUAL 7.3)
+  ADD_DEFINITIONS(-Wno-format-truncation)
+ENDIF()
+
 OPTION(ENABLE_EXPERIMENT_SYSVARS "Expose ussually hidden system variables to allow experiments" OFF)
 IF(ENABLE_EXPERIMENT_SYSVARS)
   ADD_DEFINITIONS(-DENABLE_EXPERIMENT_SYSVARS)
@@ -1798,6 +1840,7 @@ IF(WITH_CUSTOM_LIBRARIES)
   ENDFOREACH()
 ENDIF()
 
+
 # Add system/custom openssl.
 MYSQL_CHECK_SSL()
 MYSQL_CHECK_SSL_DLLS()
@@ -2081,8 +2124,8 @@ IF(WITH_PROTOBUF STREQUAL "bundled" OR WITH_FIDO STREQUAL "bundled")
       # Silence warning about CMP0075
       CMAKE_PUSH_CHECK_STATE()
       SET(CMAKE_REQUIRED_LIBRARIES)
-      ADD_SUBDIRECTORY(${CMAKE_SOURCE_DIR}/${CBOR_BUNDLE_SRC_PATH})
-      ADD_SUBDIRECTORY(${CMAKE_SOURCE_DIR}/${FIDO_BUNDLE_SRC_PATH})
+      ADD_SUBDIRECTORY(${CMAKE_SOURCE_DIR}/extra/libcbor)
+      ADD_SUBDIRECTORY(${CMAKE_SOURCE_DIR}/extra/libfido2)
       CMAKE_POP_CHECK_STATE()
     ENDIF()
   ENDIF()

diff --git a/README b/README
@@ -1,20 +1,28 @@
-Copyright (c) 2000, 2022, Oracle and/or its affiliates.
+Tencent Cloud's customized enterprise-grade MySQL branch
+Based on MySQL 8.0.30, this deeply optimized, high-performance, highly secure, and low-cost enterprise-grade database solution integrates...
 
-This is a release of MySQL, an SQL database server.
+## Core Features:
+1. High-Performance Engine
+- Transaction Lock Optimization: Optimizes transaction commit performance bottlenecks
+- Master-Slave BP Synchronization: Failure recovery is 10x faster, with a 500GB buffer pool initialized in just 2 seconds
 
-License information can be found in the LICENSE file.
+2. Smooth Operation
+- Online Column Modification: ALTER TABLE completes in milliseconds, eliminating data copying (supports type conversions such as INT to BIGINT)
+- Asynchronous Large Table Delete: Smoothly reclaims disk space and eliminates I/O spikes
+- Parallel DDL: Parallelizes the entire index creation process, linearly improving efficiency
 
-In test packages where this file is renamed README-test, the license
-file is renamed LICENSE-test.
+3. Enterprise-Level Features
+- Transparent Column Encryption: Encrypted storage of sensitive columns ensures data security
+- Undo Flashback Query: Quickly recover accidentally deleted data and ensure business continuity
+- Transparent Column Compression: Compression of large fields reduces storage costs
 
-This distribution may include materials developed by third parties.
-For license and attribution notices for these materials,
-please refer to the LICENSE file.
+## Applicable Scenarios
+1. Financial Applications: Transparent encryption + strong synchronization meets compliance requirements
+2. High-Concurrency E-Commerce: Hotspot update queuing mechanism supports flash sales
+3. Game scenario: Frequent table structure changes, compression saves costs
 
-For further information on MySQL or additional documentation, visit
-  http://dev.mysql.com/doc/
+## Compile script
+sh build.sh ## Relies on gcc 10.x or later
 
-For additional downloads and the source of MySQL, visit
-  http://dev.mysql.com/downloads/
-
-MySQL is brought to you by the MySQL team at Oracle.
+## License
+TXSQL-MySQL is licensed under the GNU General Public License, version 2 except for the third-party components listed below.