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https://dev.mysql.com/doc/internals/en/binary-log-overview.html
It also contains statements that potentially could have updated it (for example, a DELETE which matched no rows), unless row-based logging is used. The binary log also contains information about how long each statement took that updated data. These ... [Some information in this section is derived from Chapter 20, The Binary Log, in the MySQL Reference Manual.] The binary log is a set of log files that contain information about data modifications made to a MySQL server ...
https://dev.mysql.com/doc/internals/en/floating-point-types.html
The bugfix for http://bugs.mysql.com/4937 (INSERT + SELECT + UNION ALL + DATE to VARCHAR(8) conversion problem) produced a conversion function which was a promising approach to the conversion problems. The MySQL Reference Manual has a discussion of ...
https://dev.mysql.com/doc/internals/en/indexing-overview.html
Adding index support to a storage engine revolves around two tasks: providing information to the optimizer and implementing index-related methods. The information provided to the optimizer helps the optimizer to make better decisions about which ...
https://dev.mysql.com/doc/internals/en/mysql-test-directory.html
Some samples of what the test files check are: latin1_de comparisons, date additions, the HAVING clause, outer joins, openSSL, load data, logging, truncate, and UNION. The directory has a README file which explains how to run the tests, how to make ...
https://dev.mysql.com/doc/internals/en/mysys-directory.html
There are 125 *.c programs in this directory: array.c --- Dynamic array handling charset.c --- Using dynamic character sets, set default character set, ... For example, the main functions in my_getwd.c are described thus: "int my_getwd _A((string ...
https://dev.mysql.com/doc/internals/en/mysys-functions.html
void get_date _A((string to, int timeflag)); Get current date in a form ready for printing. Functions in mysys: (For flags see my_sys.h) int my_copy _A((const char *from, const char *to, myf MyFlags)); Copy file from from to to. int my_rename ...
https://dev.mysql.com/doc/internals/en/preface.html
We make no guarantee that it is fully up to date. We do hope it illustrates how MySQL programmers work, and how MySQL Server works as a result. License Restrictions This software and related documentation are provided under a license agreement ...
https://dev.mysql.com/doc/internals/en/replication-source-code-files.html
Status of this section: up to date 2009-12-16 Files in the sql directory: File Description slave.h/.cc Contains the slave IO and SQL threads. This is the high-level administrative logic for the slave threads - that is, not the low-level functions ...
https://dev.mysql.com/doc/internals/en/test-faults.html
Status of this section: up to date 2010-09-08 The assessment of the replication code in the presence of faults is extremely important to increase reliability. In particular, one needs to know if servers will either correctly recover or print out ...
https://dev.mysql.com/doc/internals/en/x-protocol-expect-expectations.html
Note Used by the read-your-writes to ensure another node is already up to date. Assume the PrepareFind fails: don't execute the Execute don't try to close the stmt Mysqlx.Expect::Open([+no_error]) Mysqlx.Crud::PrepareFind(stmt_id=1, ...) // may fail ...