Search Results
https://dev.mysql.com/doc/internals/en/floating-point-types.html
The MySQL Reference Manual has a discussion of floating-point numbers in Section 11.2 Numeric Types, including details about the storage. Let us now take up the story from where the MySQL Reference Manual leaves off. The following discussion ...
https://dev.mysql.com/doc/internals/en/heap-directory.html
All the MySQL table handlers (that is, the handlers that MySQL itself produces) have files with similar names and functions. Thus, this (heap) directory contains a lot of duplication of the myisam directory (for the MyISAM table handler). Such ...
https://dev.mysql.com/doc/internals/en/myisam-directory.html
They are: mi_cache.c --- for reading records from a cache mi_changed.c --- a single routine for setting a "changed" flag (very short) mi_check.c --- for checking and repairing tables. Can be used to exactly replay a set of changes to a table.
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/optimizer-trace-system-variable.html
The optimizer_trace system variable has these on/off switches: enabled: allows to enable/disable tracing one_line: if on, the trace will have no whitespace; it's unreadable for humans but readable for JSON parsers (they ignore whitespace); the only ...
https://dev.mysql.com/doc/internals/en/rnd-pos.html
You can use ha_get_ptr(pos,ref_length) to retrieve whatever key or position you saved when position() was called. Synopsis virtual int rnd_pos ( buf, pos); byte * buf ; byte * pos ; Description This is the rnd_pos method. This is like rnd_next, but ...
https://dev.mysql.com/doc/internals/en/tuning-trace-purging.html
They are better than using SELECT * FROM OPTIMIZER_TRACE LIMIT <LIMIT> OFFSET <OFFSET>; which is a restriction on the trace consumer level and saves almost nothing. This is done with SET optimizer_trace_offset=<OFFSET>, ...
https://dev.mysql.com/doc/mysql-installer/en/server-windows-service.html
Click Add User or Group to add the custom user and then click OK in each dialog to save the changes. On the Windows platform, MySQL server can run as a named service managed by the operating system and be configured to start up automatically when ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-sessionfactory.html
See Also reconnect(int) Since 7.5.7 4.3.1.23.11 reconnect(int) public abstract void reconnect(int timeout); Disconnect and reconnect this session factory using the specified timeout value and change the saved timeout value. Actual connections to the ...
https://dev.mysql.com/doc/ndbapi/en/mccj-using-clusterj-start.html
In this section, we discuss how to start ClusterJ applications and the ClusterJ application environment. All of the ClusterJ jar files are normally found in share/mysql/java/ in the MySQL installation directory. When executing a ClusterJ ...