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https://dev.mysql.com/doc/c-api/8.4/en/c-api-function-descriptions.html
In the descriptions here, a parameter or return value of NULL means NULL in the sense of the C programming language, not a MySQL NULL value. Unless specified otherwise, functions returning a pointer return a non-NULL value to indicate success or a ... This section describes C API functions other than those used for prepared statements, the asynchronous interface, or the replication stream ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/writing-authentication-plugins-client-side.html
Declare the client-side plugin descriptor with the mysql_declare_client_plugin() and mysql_end_client_plugin macros (see Section 4.4.2.3, “Client Plugin Descriptors”). (For descriptions, see Section 4.4.2.3, “Client Plugin Descriptors”.) ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-aml-scoring-a-recommendation-model.html
It must be a string in a fully qualified format (schema_name.table_name) that specifies the table name. For the option to set the user name, you can set it to NULL. mysql> CALL sys.ML_MODEL_LOAD(@model, NULL); The following example uses the model ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-mysqlai-ml-predict-table.html
It must be a string in a fully qualified format (schema_name.table_name) that specifies the table name. If NULL is selected, only the log segments tagged with is_anomaly are used to generate summaries. mysql> CALL ... ML_PREDICT_TABLE generates ...
https://dev.mysql.com/doc/refman/8.4/en/proxy-users.html
Suppose that my_auth_plugin returns a user name of employee to the server, based on the content of 'my_auth_string' and perhaps by consulting some external authentication system. If present, the string provides information that helps the plugin ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/adding-native-function.html
(For more information about the String type, take a look at the sql_string.h file.) The ::str() function should return the string that holds the result, or (char*) 0 if the result is NULL. In item_func.h, declare a class inheriting from ... To add a ...
https://dev.mysql.com/doc/internals/en/connection-phase-packets.html
00 2b 79 44 26 2f 5a 5a 33 30 35 5a 47 00 6d 79 .+yD&/ZZ305ZG.my 73 71 6c 5f 6e 61 74 69 76 65 5f 70 61 73 73 77 sql_native_passw 6f 72 64 00 ord Note The auth-plugin-data is the concatenation of strings auth-plugin-data-part-1 and ...
https://dev.mysql.com/doc/internals/en/innodb-field-contents.html
Helpful Notes About NULLs: For the third row, I inserted NULLs in FIELD2 and FIELD3. And the row is shorter because the NULLs take no space. The Field Contents part of the record has all the data. There are no markers between fields, and there is ...
https://dev.mysql.com/doc/ndbapi/en/ndb-nodejs-api-tablemetadata.html
The indexes array of TableMetadata contains one IndexMetadata object per table index. NDB implements a primary key as both an ordered index and a unique index, and might be viewed through the NDB API adapter as two indexes, but through a MySQL ...
https://dev.mysql.com/doc/ndbapi/en/overview-operations.html
Perform attribute retrieval myRecAttr= myOperation->getValue("ATTR2", NULL); For additional examples of this sort, see Section 2.5.2, “NDB API Example Using Synchronous Transactions”. Attribute Actions myRecAttr = myOperation->getValue("ATTR2", ... An NdbTransaction consists of a list of operations, each of which is represented by an instance of NdbOperation, NdbScanOperation, NdbIndexOperation, or NdbIndexScanOperation (that is, of NdbOperation or one of its child ...