Search Results
https://dev.mysql.com/doc/internals/en/innodb-infimum-and-supremum-records.html
InnoDB sets up an infimum record and a supremum record automatically in the root page when an index is first created, and never deletes them. “Infimum” and “Supremum” are mathematical terms that refer to the outer bounds of an ordered set.
https://dev.mysql.com/doc/internals/en/innodb-user-records.html
In the User Records part of a page, you'll find all the records that the user inserted. There are two ways to navigate through the user records, depending whether you want to think of their organization as an unordered or an ordered list. If you ...
https://dev.mysql.com/doc/internals/en/load-data-infile-events.html
Several new event types were introduced: Create_file_log_event (type code CREATE_FILE_EVENT = 8), Append_block_log_event (type code APPEND_BLOCK_EVENT = 9), Execute_load_log_event (type code EXEC_LOAD_EVENT = 10), and Delete_file_log_event (type ...
https://dev.mysql.com/doc/internals/en/logging-transactions-rules-for-non-committing-statements.html
Let S be a logged statement that does not have an implicit commit, except CREATE TEMPORARY TABLE...SELECT (This includes all "pure DML": INSERT, UPDATE, DELETE, REPLACE, TRUNCATE, SELECT, DO, CALL, EXECUTE, LOAD DATA INFILE, and BINLOG. The ...
https://dev.mysql.com/doc/internals/en/myisam-column-attributes.html
(In the future we will probably delete HA_KEYTYPE_BINARY#, as this can be instead be done by just using the binary character set with HA_KEYTYPE_VARTEXT#.) ... Next I'll describe the physical attributes of each column in a row. The format depends ...
https://dev.mysql.com/doc/internals/en/myisammrg-directory.html
As with other table handlers, you'll find that the *.c files in the myissammrg directory have counterparts in the myisam directory. In fact, this general description of a myisammrg program is almost always true: The myisammrg function checks an ...
https://dev.mysql.com/doc/internals/en/mysql-server.html
dispatch_command Mysql-5.5 sql/sql_parse.cc:869 mysql_binlog_send Mysql-5.5 sql/sql_repl.cc:436 Mysql-5.6 sql/rpl_master.cc mysql_stmt_get_longdata Mysql-5.5 sql/sql_prepare.cc:2802 mysqld_stmt_prepare Mysql-5.5 sql/sql_prepare.cc:2165 ...Mysql-5.5 ...
https://dev.mysql.com/doc/internals/en/negative-tests.html
A "negative" test is a test for which you expect to see a failure. If an error does not occur, that itself indicates a problem. DO NOT FORGET "NEGATIVE" TESTS where we expect to see fine error messages from the server. This section contains just a ...
https://dev.mysql.com/doc/internals/en/open.html
A handler object is opened as part of its initialization and before being used for normal queries (not before meta-data changes always.) If the object was opened it will also be closed before being deleted. Synopsis virtual int open ( name, mode, ...
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 ...