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https://dev.mysql.com/doc/c-api/8.4/en/mysql-num-fields.html
You would use the connection handler if mysql_store_result() or mysql_use_result() returned NULL (and thus you have no result set pointer). unsigned int mysql_num_fields(MYSQL_RES *result) To pass a MYSQL* argument instead, use unsigned int ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-ssl-set.html
bool mysql_ssl_set(MYSQL *mysql, const char *key, const char *cert, const char *ca, const char *capath, const char *cipher) Description Note As of MySQL 8.0.35, mysql_ssl_set() is deprecated and subject to removal in a future MySQL release.
https://dev.mysql.com/doc/c-api/8.4/en/mysql-use-result.html
When using mysql_use_result(), you must execute mysql_fetch_row() until a NULL value is returned, otherwise, the unfetched rows are returned as part of the result set for your next query. MYSQL_RES * mysql_use_result(MYSQL *mysql) Description After ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/writing-semisynchronous-replication-plugins.html
This section describes how to write server-side semisynchronous replication plugins, using the example plugins found in the plugin/semisync directory of MySQL source distributions. That directory contains the source files for source and replica ...
https://dev.mysql.com/doc/relnotes/mysql-cluster/8.4/en/news-8-4-4.html
When the g_eventLogger object was deleted before the Ndb_cluster_connection destructor was called, the application terminated after trying to use a method on a null object. We solve this issue by skipping the call to stopAsync() in the ... MySQL NDB ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-13.html
(Bug #28444461) Connector/J now translates the legacy value of convertToNull for the connection property zeroDateTimeBehavior to CONVERT_TO_NULL. (Bug #28594434, Bug #92264) X DevAPI: Session.getUri() returned a NullPointerException when the default ... Version 8.0.13 is the latest General Availability release of the 8.0 series of MySQL ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-8.html
(Bug #26440544) X DevAPI: Calling schema.dropView() with a null argument resulted in a NullPointerException. (Bug #26750807) X DevAPI: When dropCollection() was applied on a null collection, a NullPointerException occurred. Version 8.0.8 ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-aml-ease-of-use.html
For example: CALL sys.ML_TRAIN('heatwaveml_bench.census_train', 'revenue', NULL, @census_model); The ML_TRAIN routine leverages Oracle AutoML technology to automate training of machine learning models. For example, the following call to the ... The ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-aml-onnx-metadata.html
If the task is NULL, do not provide predictions_name or prediction_probabilities_name as this causes an error. To learn more about model metadata in the model catalog, see Model Metadata. ONNX Inputs Info Use the data_types_map to map the data type ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-aml-prepare-a-forecasting-model.html
mysql> CREATE TABLE electricity_demand ( date DATE PRIMARY KEY, demand FLOAT NOT NULL, temperature FLOAT NOT NULL ); Insert the sample data into the table. This topic describes how to prepare the data to use for a forecasting machine learning model. To prepare the data for this use case, you set up a training dataset and a testing ...