Search Results
https://dev.mysql.com/doc/internals/en/tuning-trace-purging.html
For example, OFFSET=0 and LIMIT=5 will use memory to remember 5 traces, so if only the three first are needed, OFFSET=0 and LIMIT=3 is better (tracing stops after LIMIT traces, so the 4th and 5th trace are not created and take up no memory). This ...
https://dev.mysql.com/doc/internals/en/x-protocol-messages-messages.html
In case one command creates an error, all following commands should fail too and therefore it is possible to relate the errors to the right messages. Topics in this section: Message Structure Message Sequence Common Messages Connection Session ...
https://dev.mysql.com/doc/internals/en/x-protocol-use-cases-use-cases.html
Optimizing for Network Round-Trips (Assuming the MySQL Client/Server Protocol in this case) Network round-trips can be minimized by creating a huge SQL statements of up to 1Gbyte in chunks of 16Mbyte (the protocol's maximum frame size) and sending ... 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 Client/Server Protocol, a PREPARE/EXECUTE cycle required two round-trips as the COM_STMT_EXECUTE requires data from the COM_STMT_PREPARE-ok ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-_query.html
Table 4.42 getResultList() Parameter Description return the result Exceptions ClusterJUserException if not all parameters are bound ClusterJDatastoreException if an exception is reported by the datastore 4.3.1.19.14 setLimits(long, long) public ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-clusterjtableexception.html
Commonly, a Cluster/J application may expect a table to exist, but have to wait some unspecified amount of time for some other system to create the table. Before Cluster/J version 9.4.0, some "Table Not Found" conditions were reported using ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-query-querybuilder.html
4.3.3.3.1 Synopsis public interface QueryBuilder {// Public Methods public abstract QueryDomainType<T> createQueryDefinition(Class<T> cls);} See Also getQueryBuilder() 4.3.3.3.2 createQueryDefinition(Class<T>) public abstract QueryDomainType<T> ...
https://dev.mysql.com/doc/ndbapi/en/mgm-examples-event-logging-basic.html
This example shows the basics of handling event logging using the MGM API. The source code for this program may be found in the NDB Cluster source tree, in the file storage/ndb/ndbapi-examples/mgmapi_logevent/main.cpp.
https://dev.mysql.com/doc/ndbapi/en/mgm-examples-event-logging-dual.html
This example shown in this section illustrates the handling of log events using the MGM API on multiple clusters in a single application. The source code for this program may be found in the NDB Cluster source tree, in the file ...
https://dev.mysql.com/doc/ndbapi/en/mgm-functions-log-events.html
ndb_mgm_listen_event() ndb_mgm_create_logevent_handle() ndb_mgm_destroy_logevent_handle() ndb_logevent_get_fd() ndb_logevent_get_next() ndb_logevent_get_next2() ndb_logevent_get_latest_error() ndb_logevent_get_latest_error_msg() ... This section ...
https://dev.mysql.com/doc/ndbapi/en/ndb-error-codes-temporary-resource-error.html
The following list enumerates all NDB errors of type TR (Temporary Resource error).