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https://dev.mysql.com/doc/internals/en/parsing-key-information.html
Your storage engine will need to extract the information stored in the key and translate it into its internal index format to identify the row associated with the index. Many of the index methods pass a byte array named *key that identifies the ...
https://dev.mysql.com/doc/internals/en/plugins.html
You can build a plugin as static (compiled into the server) or dynamic (built as a dynamic library that must be installed using the INSTALL PLUGIN statement or the --plugin-load option before it can be used). Beginning with MySQL 5.1, the server ...
https://dev.mysql.com/doc/internals/en/required-server-code-patches.html
Currently procedures can only be compiled into the server staticly. There is no dynamic procedure for loading them dynamicly yet like we have for UDFs and plugins. The build system is not too clever about creating these symlinks for files added ...
https://dev.mysql.com/doc/internals/en/rnd-next.html
The Field structure for the table is the key to getting data into buf in a manner that will allow the server to understand it. Purpose Reads the next row from a table and returns it to the server. Synopsis virtual int rnd_next ( buf); byte * buf ; ...
https://dev.mysql.com/doc/internals/en/select-simple.html
For performing single primary select, SELECT uses the mysql_select function, which does: allocate JOIN JOIN::prepare JOIN::optimize JOIN::exec JOIN::cleanup In previous versions of MySQL, all SELECT operations were performed with the help of this ...
https://dev.mysql.com/doc/internals/en/select-union.html
We will need this object to store in every JOIN structure link on it, but we have not (yet) temporary table structure. Allocate JOIN structures and execute JOIN::prepare() for every SELECT to get full information about types of elements of SELECT ...
https://dev.mysql.com/doc/internals/en/storage-engine-options.html
Suppose that the configure option is: --with-plugins=csv,myisam,myisammrg,heap,innobase,archive,blackhole This builds the named engines as static plugins that are compiled into the server and need not be installed explicitly. Storage engines are ...
https://dev.mysql.com/doc/internals/en/subtests.html
At least in cases where your file contains many subtests Mark these subtests for better readability of the script Write also a message into the protocol. And please explain what each subtest checks, unless it is obvious.
https://dev.mysql.com/doc/internals/en/transactions-roles-responsibilities.html
For example, since a call to trans_register_ha() in most engines is embedded into an implementation of handler::external_lock(), some DDL statements start a transaction (at least from the server point of view) even though they are not expected to.
https://dev.mysql.com/doc/internals/en/transformation-in.html
Item_in_subselect::select_transformer is divided into two parts, one for the scalar left part and one for the row left part.