mysql: update code & add a feature to get value as map

vlib/mysql/mysql.v

@@ -12,11 +12,11 @@ pub struct Connection {
 	dbname   string
 	flag     int
 mut:
-	conn     &MYSQL
+	conn     &C.MYSQL
 }
 
 pub fn new_connection(host, username, password, dbname string) ?Connection {
-	instance := mysql_init(0)
+	instance := C.mysql_init(0)
 	if isnil(instance) {
 		return error_with_code(get_error_msg(instance), get_errno(instance))
 	}
@@ -24,7 +24,7 @@ pub fn new_connection(host, username, password, dbname string) ?Connection {
 }
 
 pub fn (conn mut Connection) connect() ?bool {
-	mut instance := mysql_init(0)
+	mut instance := C.mysql_init(0)
 	if !isnil(conn.conn) {
 		instance = conn.conn
 	}
@@ -48,15 +48,15 @@ pub fn (conn mut Connection) connect() ?bool {
 }
 
 pub fn (conn Connection) query(q string) ?Result {
-	if mysql_query(conn.conn, q.str) != 0 {
+	if C.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)
+	res := C.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 {
+	if C.mysql_select_db(conn.conn, dbname.str) != 0 {
 		return error_with_code(get_error_msg(conn.conn), get_errno(conn.conn))
 	}
 	return true
@@ -65,9 +65,9 @@ pub fn (conn Connection) select_db(dbname string) ?bool {
 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)
+		ret = C.mysql_change_user(conn.conn, username.str, password.str, dbname.str)
 	} else {
-		ret = mysql_change_user(conn.conn, username.str, password.str, 0)
+		ret = C.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))
@@ -76,94 +76,94 @@ pub fn (conn Connection) change_user(username, password, dbname string) ?bool {
 }
 
 pub fn (conn Connection) affected_rows() u64 {
-	return mysql_affected_rows(conn.conn)
+	return C.mysql_affected_rows(conn.conn)
 }
 
 pub fn (conn Connection) autocommit(mode bool) {
-	mysql_autocommit(conn.conn, mode)
+	C.mysql_autocommit(conn.conn, mode)
 }
 
 
 pub fn (conn Connection) escape_string(s string) string {
-    len := strlen(s.str)
+    len := C.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)
+    C.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)
+	C.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 {
+	if C.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 {
+	if C.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 {
+	if C.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 {
+	if C.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)
+	C.mysql_close(conn.conn)
 }
 
 /* MYSQL INFO & VERSION */
 
 pub fn (conn Connection) info() string {
-	return string(mysql_info(conn.conn))
+	return string(C.mysql_info(conn.conn))
 }
 
 pub fn (conn Connection) get_host_info() string {
-	return string(mysql_get_host_info(conn.conn))
+	return string(C.mysql_get_host_info(conn.conn))
 }
 
 pub fn (conn Connection) get_server_info() string {
-	return string(mysql_get_server_info(conn.conn))
+	return string(C.mysql_get_server_info(conn.conn))
 }
 
 pub fn (conn Connection) get_server_version() u64 {
-	return mysql_get_server_version(conn.conn)
+	return C.mysql_get_server_version(conn.conn)
 }
 
 pub fn get_client_version() u64 {
-	return mysql_get_client_version()
+	return C.mysql_get_client_version()
 }
 
 pub fn get_client_info() string {
-	return string(mysql_get_client_info())
+	return string(C.mysql_get_client_info())
 }
 
 /* MYSQL DEBUG */
 pub fn (conn Connection) dump_debug_info() ?bool {
-	if mysql_dump_debug_info(conn.conn) != 0 {
+	if C.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)
+	C.mysql_debug(debug.str)
 }