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https://dev.mysql.com/doc/internals/en/class-procedure-change-columns.html
An example that adds an INTEGER field at the end of the field list: bool proc_rownum::change_columns(List<Item> &field_list) { DBUG_ENTER("proc_rownum::change_columns"); // create a new column item row_num_column = new Item_proc_int("RowNum"); // ...
https://dev.mysql.com/doc/internals/en/cmake-howto-quick-release-configuration.html
devenv mysql.sln /build relwithdebinfo To create a file containing a log of the compilation, modify the last command as follows: devenv mysql.sln /build relwithdebinfo /out logfile.txt . Unix (Makefiles) To control which compiler is chosen, set the ...
https://dev.mysql.com/doc/internals/en/compiling-for-different-hardware-achitectures.html
You can set more than a single architecture to create a universal binary. GCC (on Linux) or Sun Studio Use compile option -m32 (force 32-bit build), -m64 (force 64-bit build) Windows, Visual Studio generator Use cmake path_to_source_dir -G "Visual ...
https://dev.mysql.com/doc/internals/en/configure-emulation.html
However, ./configure created by ./BUILD/autorun.sh is just a wrapper that translates old-style Autotools options to new-style cmake options. The legacy (Autotools) way to build MySQL on Unix was to run this command: BUILD/autorun.sh; ./configure ...
https://dev.mysql.com/doc/internals/en/controlling-compilers-and-flags.html
For example, to create a 32-bit release build on a 64-bit Linux machine, do this: cmake .. To define which C and C++ compilers to use, you can define the CC and CXX environment variables. For example: shell> CC=gcc shell> CXX=g++ shell> export CC ...
https://dev.mysql.com/doc/internals/en/custom-engine.html
With MySQL 5.1, MySQL AB has introduced a pluggable storage engine architecture that makes it possible to create new storage engines and add them to a running MySQL server without recompiling the server itself. This architecture makes it easier to ...
https://dev.mysql.com/doc/internals/en/determining-binary-log-version.html
This occurs because the server writes the start event only to the first binary log file that it creates after startup. Given any binary log file, the information in this section describes how to determine the format in which it is written. Some ...
https://dev.mysql.com/doc/internals/en/event-class-archaeological-notes.html
Despite the "V3" in the type code name, START_EVENT_V3 currently is used as the type code not only for v3 start events, but also for v1 start events. The original symbol for type code 1 was START_EVENT in the format now known as v1. Later, when v3 ...
https://dev.mysql.com/doc/internals/en/external-lock.html
Synopsis virtual int external_lock ( thd, lock_type); THD * thd ; int lock_type ; Description This is the external_lock method. The locking methods for mysql section in lock.cc has additional comments on this topic that may be useful to read. If you ...
https://dev.mysql.com/doc/internals/en/generating-browsable-binary-log-information.html
These commands create a subdirectory named html containing the HTML output: shell> doxygen -g shell> doxygen To view the top-level index page, load the html/index.html file into your browser. Source files in the sql directory of a MySQL source tree ...