.\" Automatically generated by Pandoc 2.5 .\" .TH "mysql_autocommit" "3" "" "Version 3.3.1" "MariaDB Connector/C" .hy .SS Name .PP mysql_autocommit \- Toggles autocommit mode .SS Synopsis .IP .nf \f[C] #include <mysql.h> my_bool mysql_autocommit(MYSQL * mysql, my_bool auto_mode); \f[R] .fi .SS Description .PP Toggles autocommit mode on or off for the current database connection. Autocommit mode will be set if mode=1 or unset if mode=0. .SS Parameters: .IP \[bu] 2 \f[C]mysql\f[R] is a connection identifier, which was previously allocated by \f[B]mysql_init(3)\f[R] and connected by \f[B]mysql_real_connect(3)\f[R]. .IP \[bu] 2 \f[C]auto_mode\f[R] \- whether to turn autocommit on or not. .SS Notes .IP \[bu] 2 Autocommit mode only affects operations on transactional table types. To determine the current state of autocommit mode use the SQL command \f[C]SELECT \[at]\[at]autocommit\f[R] or check the server status (see example below). .IP \[bu] 2 Be aware: the [mysql_rollback()}(mysql_rollback() function will not work if autocommit mode is switched on. .SS Examples .SS SQL .IP .nf \f[C] # Turn of autocmmit SET AUTOCOMMIT=0; # Retrieve autocommit SELECT \[at]\[at]autocommit; +\-\-\-\-\-\-\-\-\-\-\-\-\-\-+ | \[at]\[at]autocommit | +\-\-\-\-\-\-\-\-\-\-\-\-\-\-+ | 0 | +\-\-\-\-\-\-\-\-\-\-\-\-\-\-+ \f[R] .fi .SS MariaDB Connector/C .IP .nf \f[C] static int test_autocommit(MYSQL *mysql) { int rc; unsigned int server_status; /* Turn autocommit off */ rc= mysql_autocommit(mysql, 0); if (rc) return rc; /* Error */ /* If autocommit = 0 succeeded, the last OK packet updated the server status */ rc= mariadb_get_infov(mysql, MARIADB_CONNECTION_SERVER_STATUS, &server_status); if (rc) return rc; /* Error */ if (server_status & SERVER_STATUS_AUTOCOMMIT) { printf(\[dq]Error: autocommit is on\[rs]n\[dq]); return 1; } printf(\[dq]OK: autocommit is off\[rs]n\[dq]); return 0; } \f[R] .fi