mysql_change_user
Syntax
my_bool mysql_change_user(MYSQL * mysql,
const char * user,
const char * passwd,
const char * db);
mysql- a mysql handle, which was previously allocated by mysql_init() or mysql_real_connect().user- the user name for server authenticationpasswd- the password for server authenticationdb- the default database. If desired, the NULL value may be passed resulting in only changing the user and not selecting a database. To select a database in this case use the mysql_select_db() function.
Description
Changes the user and default database of the current connection.
In order to successfully change users a valid username and password parameters must be provided and that user must have sufficient permissions to access the desired database. If for any reason authorization fails, the current user authentication will remain.
Returns zero on success, nonzero if an error occured.
mysql_change_user will always cause the current database connection to behave as if was a completely new database connection, regardless of if the operation was completed successfully. This reset includes performing a rollback on any active transactions, closing all temporary tables, and unlocking all locked tables.
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