Search Results
https://dev.mysql.com/doc/internals/en/transactions-roles-responsibilities.html
For example CREATE TABLE does not start a transaction, since handler::external_lock() is never called during CREATE TABLE. SELECT does, since handler::external_lock() is called for the table that is being selected from. The server has only one way ...
https://dev.mysql.com/doc/internals/en/update-row.html
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 (table->next_number_field && record == table->record[0]) update_auto_increment(); Called from ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-sessionfactory.html
Table 4.73 getSession() Parameter Description return the session 4.3.1.23.8 getSession(Map) public abstract Session getSession(Map properties); Create a session to use with the cluster, overriding some default properties with the properties supplied ...Actual connections to the database are managed in a global connection pool, and may be shared by several session factories; each connection will be closed when the last session factory using it is ...
https://dev.mysql.com/doc/ndbapi/en/mccj-issues.html
Known issues in ClusterJ: Joins: With ClusterJ, queries are limited to single tables. Tables are mapped one-to-one onto domain classes, and only single-table operations are supported. NDB tables support foreign keys, and foreign key constraints are ... This section discusses the limitations and known issues in the MySQL NDB Cluster Connector for Java ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-timestamp2.html
The file timestamp2.cpp reproduced in this section provides an example of working in NDB API applications with the “new” MySQL temporal data types supporting fractional seconds. For more information working with MySQL temporal and other data ...
https://dev.mysql.com/doc/ndbapi/en/ndb-nodejs-api-session.html
Session extends Context getMapping(Object parameter, Function(Object err, Object mapping) callback); Get the mappings for a table or class. The parameter may be a table name, a mapped constructor function, or a domain object. TableMetadata ... A ...
https://dev.mysql.com/doc/ndbapi/en/overview-compatibility.html
The NDB API is now fairly mature, and has undergone few major changes in recent releases. Where they have occurred, such changes are indicated in the documentation of the affected objects and methods. The API version of an NDB API application is ...
https://dev.mysql.com/doc/relnotes/connector-net/en/news-8-0-21.html
(Bug #30791289, Bug #98322) An expected empty result set generated by executing MySQLDataReader for a stored procedure instead returned a data table containing the @_cnet_param_value column. This fix eliminates an internal error that affected the ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-changelog-12-1-0-2-0.html
Functionality Added or Changed The compliance framework for MySQL Configuration Metrics is added in this release. Prev Up A.11 Changes in Oracle Enterprise Manager for MySQL Database 12.1.0.3.0 (2015-10-22) Home .
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-config-metric-binarylogs-category.html
Table 7.2 Binary Logs Configuration Metrics NameDescriptionBinlog Cache Size The size of the cache to hold changes to the binary log during a transaction. Binlog Direct Non Transactional Updates Enabled Causes updates to nontransactional tables to ... Lists the Binary Logs configuration metrics and provides a brief description of ...