module mysql #flag -lmysqlclient #flag linux -I/usr/include/mysql #include pub struct Connection { host string port u32 username string password string dbname string flag int mut: conn &MYSQL } pub fn new_connection(host, username, password, dbname string) ?Connection { instance := mysql_init(0) if isnil(instance) { return error_with_code(get_error_msg(instance), get_errno(instance)) } return Connection{ host, 0, username, password, dbname, 0, instance } } pub fn (conn mut Connection) connect() ?bool { mut instance := mysql_init(0) if !isnil(conn.conn) { instance = conn.conn } if isnil(instance) { return error_with_code(get_error_msg(instance), get_errno(instance)) } conn.conn = C.mysql_real_connect( instance, conn.host.str, conn.username.str, conn.password.str, conn.dbname.str, conn.port, 0, conn.flag ) if isnil(conn.conn) { return error_with_code(get_error_msg(instance), get_errno(instance)) } return true } pub fn (conn Connection) query(q string) ?Result { if mysql_query(conn.conn, q.str) != 0 { return error_with_code(get_error_msg(conn.conn), get_errno(conn.conn)) } res := mysql_store_result(conn.conn) return Result{res} } pub fn (conn Connection) select_db(dbname string) ?bool { if mysql_select_db(conn.conn, dbname.str) != 0 { return error_with_code(get_error_msg(conn.conn), get_errno(conn.conn)) } return true } pub fn (conn Connection) change_user(username, password, dbname string) ?bool { mut ret := true if dbname != '' { ret = mysql_change_user(conn.conn, username.str, password.str, dbname.str) } else { ret = mysql_change_user(conn.conn, username.str, password.str, 0) } if !ret { return error_with_code(get_error_msg(conn.conn), get_errno(conn.conn)) } return ret } pub fn (conn Connection) affected_rows() u64 { return mysql_affected_rows(conn.conn) } pub fn (conn Connection) autocommit(mode bool) { mysql_autocommit(conn.conn, mode) } pub fn (conn Connection) escape_string(s string) string { len := strlen(s.str) to := malloc(2 * len + 1) quote := byte(39) // single quote mysql_real_escape_string_quote(conn.conn, to, s.str, len, quote) return string(to) } pub fn (conn Connection) set_option(option_type int, val voidptr) { mysql_options(conn.conn, option_type, val) } pub fn (conn Connection) get_option(option_type int) ?voidptr { ret := voidptr(0) if mysql_get_option(conn.conn, option_type, &ret) != 0 { return error_with_code(get_error_msg(conn.conn), get_errno(conn.conn)) } return ret } pub fn (conn Connection) refresh(options u32) ?bool { if mysql_refresh(conn.conn, options) != 0 { return error_with_code(get_error_msg(conn.conn), get_errno(conn.conn)) } return true } pub fn (conn Connection) reset_connection() ?bool { if mysql_reset_connection(conn.conn) != 0 { return error_with_code(get_error_msg(conn.conn), get_errno(conn.conn)) } return true } pub fn (conn Connection) ping() ?bool { if mysql_ping(conn.conn) != 0 { return error_with_code(get_error_msg(conn.conn), get_errno(conn.conn)) } return true } pub fn (conn Connection) close() { mysql_close(conn.conn) } /* MYSQL INFO & VERSION */ pub fn (conn Connection) info() string { return string(mysql_info(conn.conn)) } pub fn (conn Connection) get_host_info() string { return string(mysql_get_host_info(conn.conn)) } pub fn (conn Connection) get_server_info() string { return string(mysql_get_server_info(conn.conn)) } pub fn (conn Connection) get_server_version() u64 { return mysql_get_server_version(conn.conn) } pub fn get_client_version() u64 { return mysql_get_client_version() } pub fn get_client_info() string { return string(mysql_get_client_info()) } /* MYSQL DEBUG */ pub fn (conn Connection) dump_debug_info() ?bool { if mysql_dump_debug_info(conn.conn) != 0 { return error_with_code(get_error_msg(conn.conn), get_errno(conn.conn)) } return true } pub fn debug(debug string) { mysql_debug(debug.str) }