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https://dev.mysql.com/doc/internals/en/flush-tables.html
This is mainly to ensure that if someone adds a new table outside of MySQL (for example, by copying files into a database directory with cp), all threads will start using the new table. The idea of FLUSH TABLES is to force all tables to be closed.
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 ...
https://dev.mysql.com/doc/internals/en/getting-source-tree.html
This section describes how to obtain the MySQL source tree, which is currently available on GitHub. For more information about MySQL's move to GitHub, refer to the announcement on the MySQL Release Engineering blog: MySQL on GitHub To obtain the ...
https://dev.mysql.com/doc/internals/en/guided-tour-major-directories-test.html
To run a test named some.test with the debugger in embedded mode you could do this: Run libmysqld/examples/test_run --gdb some.test. This creates a libmysqld/examples/test-gdbinit file which contains the required parameters for mysqltest. Make a ...
https://dev.mysql.com/doc/internals/en/guided-tour-osdir.html
We're now getting into the directories which aren't “major.” Starting with: dbug pstack regex strings zlib Now it's time to reveal a startling fact, which is we didn't write all of the source code in all of the source code directories all by ...
https://dev.mysql.com/doc/internals/en/implementing-savepoint-set-method.html
When savepoint_set() is called, the storage engine needs to store savepoint information into sv so that the server can later roll back the transaction to the savepoint or release the savepoint resources. The savepoint_set() method is called ...
https://dev.mysql.com/doc/internals/en/join-buffer-size.html
(In other words, we store the same row combination several times into different buffers.) . Basic information about the join buffer cache: The size of each join buffer is determined by the value of the join_buffer_size system variable. This buffer ...
https://dev.mysql.com/doc/internals/en/libmysql-directory.html
The libmysql files are split into three directories: libmysql (this one), libmysql_r (the next one), and libmysqld (the next one after that). The files here are for producing MySQL as a library (for example, a Windows DLL). The idea is that, instead ...
https://dev.mysql.com/doc/internals/en/make-test-protocols-more-understandable.html
Please have the test write comments into the protocol if this makes the surrounding protocol content much more understandable. This is especially true for tests that do the following: Suppress the printing of SQL statements and result sets Work ...
https://dev.mysql.com/doc/internals/en/myisampack.html
After that it tries to combine byte value compression trees of different columns into one or more code trees. When starting to analyze the existing uncompressed data, it collects distinct column values up to a limit of 8KB. If there are more, it ...