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https://dev.mysql.com/doc/internals/en/scripts-directory.html
Linux programmers use it where Windows programmers would use a *.bat (batch filename extension). Can be safely run during any upgrade to get the newest MySQL privilege tables mysql_install_db.sh --- Create privilege tables and func table ...
https://dev.mysql.com/doc/internals/en/sleep.html
In some cases race conditions can be repeated when all but one thread are blocked (for example waiting for an SQL lock). Then the remaining thread has plenty of time to go through the critical piece of code. The problem here is to assure that the ...
https://dev.mysql.com/doc/internals/en/sql-directory.html
Programs for handling SQL commands. The "core" of MySQL. These are the .c and .cc files in the sql directory: derror.cc --- read language-dependent message file des_key_file.cc --- load DES keys from plaintext file discover.cc --- Functions for ...
https://dev.mysql.com/doc/internals/en/stability-checks-for-random-timing-problems.html
Recommended Several test runs (<number>), use an memory based (extreme fast) filesystem if available ./mysql-test-run.pl --mem .... --repeat=<number> <your test> Several test runs, use a "slow" disk based filesystem rmdir var # "var" must not be a ...
https://dev.mysql.com/doc/internals/en/tracing-example.html
The statement's execution is naturally made of "steps": "steps": [ { "join_preparation": { This is a join's preparation "select#": 1, for the first SELECT of the statement (which has only one, here). "rest_of_plan": [ { "database": "test", "table": ...
https://dev.mysql.com/doc/ndbapi/en/mccj-getting.html
This section discusses how to obtain ClusterJ sources and binaries, and how to compile, install, and get started with ClusterJ. You can obtain the most recent NDB Cluster release, which includes ClusterJ, from downloads.mysql.com. The installation ...
https://dev.mysql.com/doc/ndbapi/en/mgm-functions-log-events.html
This section provides information about MGM API functions used for listening to log events. ndb_mgm_listen_event() ndb_mgm_create_logevent_handle() ndb_mgm_destroy_logevent_handle() ndb_logevent_get_fd() ndb_logevent_get_next() ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-handling-errors.html
This program demonstrates handling errors and retrying failed transactions using the NDB API. The source code for this example can be found in storage/ndb/ndbapi-examples/ndbapi_retries/ndbapi_retries.cpp in the NDB Cluster source tree. In this ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-secondary-indexes-ndbrecord.html
This program illustrates how to use secondary indexes in the NDB API with the aid of the NdbRecord interface. The source code for this example may be found in the NDB Cluster source trees, in the file ...
https://dev.mysql.com/doc/ndbapi/en/ndbapi-examples-array-adapter.html
This program inserts CHAR, VARCHAR, and BINARY column data into a table by constructing aRef objects using array adapters of the type defined in common/array_adapter.hpp (see Section 2.5.15, “Common Files for NDB API Array Examples”). It then ...