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https://dev.mysql.com/doc/internals/en/event-content-writing-conventions.html
The value of the first byte determines how to read the number, according to the following table. Event contents are written using these conventions: Numbers are written in little-endian format (least significant byte first), unless otherwise ...
https://dev.mysql.com/doc/internals/en/format-description-event.html
Binlog::FORMAT_DESCRIPTION_EVENT: A format description event is the first event of a binlog for binlog-version 4. Note added in MySQL 5.0.0 as replacement for START_EVENT_V3 Payload 2 binlog-version string[50] mysql-server version 4 create ...
https://dev.mysql.com/doc/internals/en/guided-tour-majordir-client.html
There are other utilities too in fact, you'll find the source of most client-side programs here. There are also programs for checking the password, and for testing that basic functions such as threading or access via SSL are possible. You'll notice, ...
https://dev.mysql.com/doc/internals/en/index-file-usage.html
These are the number of columns of the table and the length of each column. While the header of the compressed data file contains a lot of information, there are still some things which need to be taken from the index file. The latter is required ...
https://dev.mysql.com/doc/internals/en/innobase-directory.html
A full description of these files can be found elsewhere in this document.
https://dev.mysql.com/doc/internals/en/innodb-extra-bytes.html
Given a pointer to the Origin, InnoDB finds the start of the record as follows: Let X = n_fields (the number of fields is by definition equal to the number of entries in the Field Start Offsets Table). If you're just trying to read the record, the ...
https://dev.mysql.com/doc/internals/en/installation-layout-options.html
In the following table, the CMAKE_INSTALL_PREFIX value is the installation base directory. Many other CMake layout options are interpreted relative to the prefix and their values are relative pathnames.
https://dev.mysql.com/doc/internals/en/library-options.html
The following table shows options that indicate which libraries to use. Parameter configure Option CMake Option readline library --with-readline -DWITH_EDITLINE=1 SSL library --with-ssl=/usr -DWITH_SSL=system zlib library --with-zlib-dir=/usr ...
https://dev.mysql.com/doc/internals/en/myisam-compressed-data-file-layout.html
This chapter describes the layout for the data file of compressed MyISAM tables.
https://dev.mysql.com/doc/internals/en/optimizer-and-relations.html
Here's an example: CREATE TABLE Table1 (s1 INT, s2 INT); CREATE INDEX Index1 ON Table1 (s2); CREATE INDEX Index2 ON Table1 (s1); ... SELECT * FROM Table1 WHERE s1 = 5 AND s2 = 5; When choosing a strategy to solve this query, the optimizer picks s2 = ... An ANDed search has the form condition1 AND condition2, as in this example: WHERE column1 = 'x' AND column2 = 'y' Here, the optimizer's decision process can be described as follows: If (neither condition is indexed) use sequential ...