Search Results
Displaying 141 to 150
of 156 total results
- « Previous
- 13
- 14
- 15
- 16
- Next »
https://dev.mysql.com/doc/refman/8.4/en/sys-ps-is-instrument-default-enabled.html
Returns YES or NO to indicate whether a given Performance Schema instrument is enabled by default. Example mysql> SELECT sys.ps_is_instrument_default_enabled('memory/innodb/row_log_buf'); ...
https://dev.mysql.com/doc/refman/8.4/en/sys-ps-is-instrument-default-timed.html
Returns YES or NO to indicate whether a given Performance Schema instrument is timed by default. Example mysql> SELECT sys.ps_is_instrument_default_timed('memory/innodb/row_log_buf'); ...
https://dev.mysql.com/doc/refman/8.4/en/sys-ps-is-thread-instrumented.html
Returns YES or NO to indicate whether Performance Schema instrumentation for a given connection ID is enabled, UNKNOWN if the ID is unknown, or NULL if the ID is NULL. This is a value of the type given in the PROCESSLIST_ID column of the ...
https://dev.mysql.com/doc/refman/8.4/en/sys-statement-performance-analyzer.html
Parameters in_action ENUM('snapshot', 'overall', 'delta', 'create_tmp', 'create_table', 'save', 'cleanup'): The action to take. Creates a report of the statements running on the server. The views are calculated based on the overall and/or delta ...
https://dev.mysql.com/doc/refman/8.4/en/sys-table-exists.html
Tests whether a given table exists as a regular table, a TEMPORARY table, or a view. If both a temporary and a permanent table exist with the given name, TEMPORARY is returned. Parameters in_db VARCHAR(64): The name of the database in which to ...
https://dev.mysql.com/doc/c-api/8.4/en/c-api-prepared-statement-data-structures.html
Prepared statements use several data structures: To obtain a statement handler, pass a MYSQL connection handler to mysql_stmt_init(), which returns a pointer to a MYSQL_STMT data structure. To specify the statement to prepare, pass the MYSQL_STMT ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-get-option.html
int mysql_get_option(MYSQL *mysql, enum mysql_option option, const void *arg) Description Returns the current value of an option settable using mysql_options(). The option argument is the option for which you want its value. The arg argument is a ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-options4.html
int mysql_options4(MYSQL *mysql, enum mysql_option option, const void *arg1, const void *arg2) Description mysql_options4() is similar to mysql_options() but has an extra fourth argument so that two values can be passed for the option specified in ...The following list describes the permitted options, their effect, and how arg1 and arg2 are ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-session-track-get-next.html
int mysql_session_track_get_next(MYSQL *mysql, enum enum_session_state_type type, const char **data, size_t *length) Description This function fetches additional session state-change information received from the server, following that retrieved by ...Following a successful call to mysql_session_track_get_first(), call mysql_session_track_get_next() repeatedly until it returns nonzero to indicate no more information is ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-set-server-option.html
int mysql_set_server_option(MYSQL *mysql, enum enum_mysql_set_option option) Description Enables or disables an option for the connection. Option Description MYSQL_OPTION_MULTI_STATEMENTS_ON Enable multiple-statement support ...
Displaying 141 to 150
of 156 total results
- « Previous
- 13
- 14
- 15
- 16
- Next »