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https://dev.mysql.com/doc/internals/en/plugin-services-components.html
A plugin accesses this information by including the plugin.h file (which plugins must include anyway): #include <mysql/plugin.h> plugin.h includes the services.h file, which acts as an “umbrella” file that includes the service-specific headers ... On the plugin side of the services interface, the relevant information is provided in a set of header ...
https://dev.mysql.com/doc/internals/en/prepared-stored-statement-execution.html
We'll need this query for general, binary, error and slow logs. During the first execution of the prepared statement the server may perform non-destructive transformations of statement's parsed tree: normally that would belong to a separate step ...
https://dev.mysql.com/doc/internals/en/prepared-stored-statement-preparation.html
This function will subsequently call st_select_lex_unit::prepare() and setup_fields() for the main LEX unit, create JOINs for every unit, and call JOIN::prepare for every join (JOINs in MySQL represents a part of the execution plan). In a clean ...
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 ...log.h/.cc The high-level binary logging mechanism for organizing events into a sequence so that it becomes a binary ...
https://dev.mysql.com/doc/internals/en/select-structure.html
There are two structures that describe selects: st_select_lex (SELECT_LEX) for representing SELECT itself st_select_lex_unit (SELECT_LEX_UNIT) for grouping several selects in a bunch The latter item represents UNION operation (the absence of UNION ...The first and uppermost SELECT_LEX (#1 in example) is stored in LEX, ...
https://dev.mysql.com/doc/internals/en/test-faults-macros.html
DBUG_EXECUTE_IF (keyword, code) allows executing a piece of code if the appropriate dbug instruction is set. DBUG_EVALUATE_IF (keyword, val1, val2) is used in if expressions and returns val1 if the appropriate dbug instruction is set.
https://dev.mysql.com/doc/internals/en/x-protocol-use-cases-use-cases.html
Topics in this section: Prepared Statements with Single Round-Trip Streaming Inserts SQL with Multiple Resultsets Inserting CRUD Data in a Batch Cross-Collection Update and Delete Prepared Statements with Single Round-Trip In the MySQL ...Figure ...
https://dev.mysql.com/doc/ndbapi/en/mgm-functions-single-user-mode.html
This section covers the functions that are used for these operations. ndb_mgm_enter_single_user() ndb_mgm_exit_single_user() ndb_mgm_enter_single_user() Description This function is used to enter single-user mode on a given node. Signature int ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-secondary-indexes.html
This program illustrates how to use secondary indexes in the NDB API. The source code for this example may be found in the NDB Cluster source tree, in storage/ndb/ndbapi-examples/ndbapi_simple_index/main.cpp.
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-synchronous-transactions.html
This example illustrates the use of synchronous transactions in the NDB API. It first creates a database ndb_examples and a table api_simple (if these objects do not already exist) using the MySQL C API with an SQL node, then performs a series of ...