metaindex_block_handle与index_block_handle物理上占用了40个字节,metaindex_block_handle和index_block_handle是BlockHandle数据类型, 这种结构用于记录metaindex block 和index block的起始位置和大小。 对于BlockHandle ,其实可以看作文件内容指针实现方式,BlockHandle记录数据位置及大小,与c/c++指针 思想类似,通过地址和...
avrocpp -- Using msgpack=1: /Users/bytedance/soft/ClickHouse/contrib/msgpack-c/include -- Using cassandra=1: /Users/bytedance/soft/ClickHouse/contrib/cassandra/include/ : cassandra_static -- Using stats=1 : /Users/bytedance/soft/ClickHouse/contrib/stats/include -- Using gcem=1: /Users/bytedan...
2.报错 [ 78%] Building CXX object dbms/CMakeFiles/unit_tests_dbms.dir/src/Common/tests/gtest_rw_lock_fifo.cpp.cpp.o ../../dbms/libclickhouse.so.1.1.54288: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::replace(unsigned ...
-- Using avro=1: /Users/bytedance/soft/ClickHouse/contrib/avro/lang/c++/include : avrocpp -- Using msgpack=1: /Users/bytedance/soft/ClickHouse/contrib/msgpack-c/include -- Using cassandra=1: /Users/bytedance/soft/ClickHouse/contrib/cassandra/include/ : cassandra_static ...
C ++源文件名只能有.cpp扩展名。头文件 - 只有.h。 如何编写代码 内存管理。 手动删除内存(删除)只能在库代码中使用。 而在库代码中,删除操作符只能在析构函数中使用。 在应用程序代码中,应该完成内存被拥有它的某个对象释放。 例子: 将对象放在堆栈上,或者使其成为另一个类的成员是最简单的。
# [2021-03-31T18:06:32.655327 36900] Command line: /usr/bin/ccache prlimit --as=10000000000 --data=5000000000 --cpu=600 /usr/bin/clang++-11 - ... std=gnu++2a -MD -MT src/CMakeFiles/dbms.dir/Storages/MergeTree/IMergeTreeDataPart.cpp.o -MF src/CMakeFiles/dbms.dir/Storages/MergeT...
gdb--args./cmake-build-debug/programs/clickhouse-server--config=/data1/mycode/ClickHouse/programs/server/config.xml--pid-file=/data1/mycode/ClickHouse/clickhouse-server.pid 设置断点 break文件名:行号 b src/Server/TCPHandler.cpp:168 开始运行 ...
-- Using avro=1: /Users/bytedance/soft/ClickHouse/contrib/avro/lang/c++/include : avrocpp -- Using msgpack=1: /Users/bytedance/soft/ClickHouse/contrib/msgpack-c/include -- Using cassandra=1: /Users/bytedance/soft/ClickHouse/contrib/cassandra/include/ : cassandra_static ...
`src/Interpreters/InterpreterSelectQuery.cpp`文件`InterpreterSelectQuery::executeImpl()`方法将优化分析得到的中间数据辅助生成最终的执行计划,代码如下: ``` // src/Interpreters/InterpreterSelectQuery.cpp void InterpreterSelectQuery::executeImpl() { ... // 个人理解针对EXPLAIN PLAN,只构建执行计划不执行 if...
cmake Make: Scoping and formatting CMake Sep 28, 2023 cpp Fix: update() bug detect with non-POD keys Aug 3, 2024 csharp Release: v2.13.2 [skip ci] Aug 12, 2024 docs Docs: Rearrange May 21, 2024 fp16 @ 0a92994 Add: Submodules for simpler bindings builds Apr 29, 2023 golang Do...