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https://dev.mysql.com/doc/internals/en/rnd-pos.html
Synopsis virtual int rnd_pos ( buf, pos); byte * buf ; byte * pos ; Description This is the rnd_pos method. This is like rnd_next, but you are given a position to use to determine the row. The position will be of the type that you stored in ref. You ...
https://dev.mysql.com/doc/internals/en/row-order-within-result-sets.html
Please keep in mind that the row order within a significant number of result sets depends on storage engine properties and in worst cases the current load (NDB!, partitioning?, parallel query?) on the testing box. Either use --sorted_result SELECT ...
https://dev.mysql.com/doc/internals/en/running-mysql-test-run-out-of-source.html
When building out of source (see Section 4.4.1, “Create the Build Directory”), use mysql-test-run.pl in the mysql-test directory under the build directory. It is a wrapper script that calls mysql-test-run.pl in the source directory and tells it ...
https://dev.mysql.com/doc/internals/en/stored-programs.html
The content formerly located in this chapter is now maintained in the Stored Programs section of the MySQL Server Doxygen documentation, available at https://dev.mysql.com/doc/index-other.html.
https://dev.mysql.com/doc/internals/en/update-row.html
Currently, new_data will not have an updated auto_increament record, or and updated timestamp field. You can do these for example by doing these: if (table->timestamp_field_type & TIMESTAMP_AUTO_SET_ON_UPDATE) table->timestamp_field->set_time(); if ...Synopsis virtual int update_row ( old_data, new_data); const byte * old_data ; byte * new_data ; Description This is the update_row ...
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/ndb-nodejs-api-converter.html
If the user supplies a JavaScript converter, it used to read and write to the database. fromDB(val): Convert a value val read from the database into application object format. Converter invocations are chained in the following ways: When writing to ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-summary.html
A replication group is formed by multiple servers; each server in the group may execute transactions independently at any time. However, there may be conflicts between transactions that execute concurrently on different servers. During ... Group ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-install-tarball.html
On Solaris, gtar is often already installed in the /usr/sfw/bin directory, although the gtar executable may not be included in your path. When the agent runs for the first time, it creates a directory where the agent stores its own configuration ...
https://dev.mysql.com/doc/refman/8.4/en/change-replication-filter.html
If issued against a replication channel which is not configured, the statement fails with an ER_SLAVE_CONFIGURATION error. If issued against Group Replication channels, the statement fails with an ER_SLAVE_CHANNEL_OPERATION_NOT_ALLOWED error. If the ...Filters set using this statement differ from those set using the server options in two key respects: The statement does not require restarting the server to take effect, only that the replication SQL thread be stopped using STOP REPLICA SQL_THREAD first (and restarted with START REPLICA SQL_THREAD ...