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https://dev.mysql.com/doc/internals/en/tests-directory.html
The files in this directory are test programs that can be used as a base to write a program to simulate problems in MySQL in various scenarios: forks, locks, big records, exporting, truncating, and so on.
https://dev.mysql.com/doc/internals/en/threads.html
Threads in mysqld can run at four different priorities, defined in mysql_priv.h: #define INTERRUPT_PRIOR 10 #define CONNECT_PRIOR 9 #define WAIT_PRIOR 8 #define QUERY_PRIOR 6 Some threads try to set their priority; others don't. These calls are ...
https://dev.mysql.com/doc/internals/en/traceable-queries.html
They are: SELECT; INSERT or REPLACE (with VALUES or SELECT); UPDATE/DELETE and their multi-table variants; all the previous ones prefixed by EXPLAIN; SET (unless it manipulates the optimizer_trace system variable); DO; DECLARE/CASE/IF/RETURN ...If ...
https://dev.mysql.com/doc/internals/en/wait-condition.html
send INSERT INTO t1 VALUES (1); --connection conn1 # Specify the condition that shows if conn2 reached wait_for_lock(). Like 'sleep', this method can also be used, when all but one thread reach a blocked state. If you are able to detect that the ...
https://dev.mysql.com/doc/internals/en/write-row.html
Called from item_sum.cc, item_sum.cc, sql_acl.cc, sql_insert.cc, sql_insert.cc, sql_select.cc, sql_table.cc, sql_udf.cc, and sql_update.cc. Synopsis virtual int write_row ( buf); byte * buf ; Description This is the write_row method. No ...
https://dev.mysql.com/doc/mysql-installer/en/mysql-installer-catalog-dashboard.html
When new products or product versions are available, MySQL Installer adds them to the catalog and then inserts an arrow icon () next to the version number of installed products listed in the dashboard. This section describes the MySQL Installer ...
https://dev.mysql.com/doc/mysqld-version-reference/en/built-in-functions.html
The following table shows all built-in functions and operators available in MySQL Server. Introduced: The version or versions in which the item was introduced. Deprecated: The version or versions in which the item was deprecated. Removed: The ...
https://dev.mysql.com/doc/mysqld-version-reference/en/keywords-5-7.html
This section provides information about keywords and reserved words in MySQL 5.7. MySQL 5.7 Keywords and Reserved Words MySQL 5.7 New Keywords and Reserved Words MySQL 5.7 Removed Keywords and Reserved Words MySQL 5.7 Keywords and Reserved Words ...
https://dev.mysql.com/doc/mysqld-version-reference/en/keywords-8-0.html
This section provides information about keywords and reserved words in MySQL 8.0. MySQL 8.0 Keywords and Reserved Words MySQL 8.0 New Keywords and Reserved Words MySQL 8.0 Removed Keywords and Reserved Words MySQL 8.0 Keywords and Reserved Words ...
https://dev.mysql.com/doc/mysqld-version-reference/en/keywords-8-4.html
This section provides information about keywords and reserved words in MySQL 8.4. MySQL 8.4 Keywords and Reserved Words MySQL 8.4 New Keywords and Reserved Words MySQL 8.4 Removed Keywords and Reserved Words MySQL 8.4 Keywords and Reserved Words ...