Php/docs/mysqlnduhconnection.simplecommand
MysqlndUhConnection::simpleCommand
(PECL mysqlnd-uh >= 1.0.0-alpha)
MysqlndUhConnection::simpleCommand — Sends a basic COM_* command
Description
public MysqlndUhConnection::simpleCommand
( mysqlnd_connection $connection
, int $command
, string $arg
, int $ok_packet
, bool $silent
, bool $ignore_upsert_status
) : bool
Sends a basic COM_* command to MySQL.
Parameters
connection- Mysqlnd connection handle. Do not modify!
command- The COM command to be send.
arg- Optional COM command arguments.
ok_packet- The OK packet type.
silent- Whether mysqlnd may emit errors.
ignore_upsert_status- Whether to ignore
UPDATE/INSERTstatus.
Return Values
Returns TRUE on success.
Otherwise, returns FALSE
Examples
Example #1 MysqlndUhConnection::simpleCommand() example
<?phpfunction server_cmd_2_string($command) { $mapping = array( MYSQLND_UH_MYSQLND_COM_SLEEP => "MYSQLND_UH_MYSQLND_COM_SLEEP", MYSQLND_UH_MYSQLND_COM_QUIT => "MYSQLND_UH_MYSQLND_COM_QUIT", MYSQLND_UH_MYSQLND_COM_INIT_DB => "MYSQLND_UH_MYSQLND_COM_INIT_DB", MYSQLND_UH_MYSQLND_COM_QUERY => "MYSQLND_UH_MYSQLND_COM_QUERY", MYSQLND_UH_MYSQLND_COM_FIELD_LIST => "MYSQLND_UH_MYSQLND_COM_FIELD_LIST", MYSQLND_UH_MYSQLND_COM_CREATE_DB => "MYSQLND_UH_MYSQLND_COM_CREATE_DB", MYSQLND_UH_MYSQLND_COM_DROP_DB => "MYSQLND_UH_MYSQLND_COM_DROP_DB", MYSQLND_UH_MYSQLND_COM_REFRESH => "MYSQLND_UH_MYSQLND_COM_REFRESH", MYSQLND_UH_MYSQLND_COM_SHUTDOWN => "MYSQLND_UH_MYSQLND_COM_SHUTDOWN", MYSQLND_UH_MYSQLND_COM_STATISTICS => "MYSQLND_UH_MYSQLND_COM_STATISTICS", MYSQLND_UH_MYSQLND_COM_PROCESS_INFO => "MYSQLND_UH_MYSQLND_COM_PROCESS_INFO", MYSQLND_UH_MYSQLND_COM_CONNECT => "MYSQLND_UH_MYSQLND_COM_CONNECT", MYSQLND_UH_MYSQLND_COM_PROCESS_KILL => "MYSQLND_UH_MYSQLND_COM_PROCESS_KILL", MYSQLND_UH_MYSQLND_COM_DEBUG => "MYSQLND_UH_MYSQLND_COM_DEBUG", MYSQLND_UH_MYSQLND_COM_PING => "MYSQLND_UH_MYSQLND_COM_PING", MYSQLND_UH_MYSQLND_COM_TIME => "MYSQLND_UH_MYSQLND_COM_TIME", MYSQLND_UH_MYSQLND_COM_DELAYED_INSERT => "MYSQLND_UH_MYSQLND_COM_DELAYED_INSERT", MYSQLND_UH_MYSQLND_COM_CHANGE_USER => "MYSQLND_UH_MYSQLND_COM_CHANGE_USER", MYSQLND_UH_MYSQLND_COM_BINLOG_DUMP => "MYSQLND_UH_MYSQLND_COM_BINLOG_DUMP", MYSQLND_UH_MYSQLND_COM_TABLE_DUMP => "MYSQLND_UH_MYSQLND_COM_TABLE_DUMP", MYSQLND_UH_MYSQLND_COM_CONNECT_OUT => "MYSQLND_UH_MYSQLND_COM_CONNECT_OUT", MYSQLND_UH_MYSQLND_COM_REGISTER_SLAVED => "MYSQLND_UH_MYSQLND_COM_REGISTER_SLAVED", MYSQLND_UH_MYSQLND_COM_STMT_PREPARE => "MYSQLND_UH_MYSQLND_COM_STMT_PREPARE", MYSQLND_UH_MYSQLND_COM_STMT_EXECUTE => "MYSQLND_UH_MYSQLND_COM_STMT_EXECUTE", MYSQLND_UH_MYSQLND_COM_STMT_SEND_LONG_DATA => "MYSQLND_UH_MYSQLND_COM_STMT_SEND_LONG_DATA", MYSQLND_UH_MYSQLND_COM_STMT_CLOSE => "MYSQLND_UH_MYSQLND_COM_STMT_CLOSE", MYSQLND_UH_MYSQLND_COM_STMT_RESET => "MYSQLND_UH_MYSQLND_COM_STMT_RESET", MYSQLND_UH_MYSQLND_COM_SET_OPTION => "MYSQLND_UH_MYSQLND_COM_SET_OPTION", MYSQLND_UH_MYSQLND_COM_STMT_FETCH => "MYSQLND_UH_MYSQLND_COM_STMT_FETCH", MYSQLND_UH_MYSQLND_COM_DAEMON => "MYSQLND_UH_MYSQLND_COM_DAEMON", MYSQLND_UH_MYSQLND_COM_END => "MYSQLND_UH_MYSQLND_COM_END", ); return (isset($mapping[$command])) ? $mapping[$command] : 'unknown';}function ok_packet_2_string($ok_packet) { $mapping = array( MYSQLND_UH_MYSQLND_PROT_GREET_PACKET => "MYSQLND_UH_MYSQLND_PROT_GREET_PACKET", MYSQLND_UH_MYSQLND_PROT_AUTH_PACKET => "MYSQLND_UH_MYSQLND_PROT_AUTH_PACKET", MYSQLND_UH_MYSQLND_PROT_OK_PACKET => "MYSQLND_UH_MYSQLND_PROT_OK_PACKET", MYSQLND_UH_MYSQLND_PROT_EOF_PACKET => "MYSQLND_UH_MYSQLND_PROT_EOF_PACKET", MYSQLND_UH_MYSQLND_PROT_CMD_PACKET => "MYSQLND_UH_MYSQLND_PROT_CMD_PACKET", MYSQLND_UH_MYSQLND_PROT_RSET_HEADER_PACKET => "MYSQLND_UH_MYSQLND_PROT_RSET_HEADER_PACKET", MYSQLND_UH_MYSQLND_PROT_RSET_FLD_PACKET => "MYSQLND_UH_MYSQLND_PROT_RSET_FLD_PACKET", MYSQLND_UH_MYSQLND_PROT_ROW_PACKET => "MYSQLND_UH_MYSQLND_PROT_ROW_PACKET", MYSQLND_UH_MYSQLND_PROT_STATS_PACKET => "MYSQLND_UH_MYSQLND_PROT_STATS_PACKET", MYSQLND_UH_MYSQLND_PREPARE_RESP_PACKET => "MYSQLND_UH_MYSQLND_PREPARE_RESP_PACKET", MYSQLND_UH_MYSQLND_CHG_USER_RESP_PACKET => "MYSQLND_UH_MYSQLND_CHG_USER_RESP_PACKET", MYSQLND_UH_MYSQLND_PROT_LAST => "MYSQLND_UH_MYSQLND_PROT_LAST", ); return (isset($mapping[$ok_packet])) ? $mapping[$ok_packet] : 'unknown';}class proxy extends MysqlndUhConnection { public function simpleCommand($conn, $command, $arg, $ok_packet, $silent, $ignore_upsert_status) { printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true)); printf("Command '%s'\n", server_cmd_2_string($command)); printf("OK packet '%s'\n", ok_packet_2_string($ok_packet)); $ret = parent::simpleCommand($conn, $command, $arg, $ok_packet, $silent, $ignore_upsert_status); printf("%s returns %s\n", __METHOD__, var_export($ret, true)); return $ret; }}mysqlnd_uh_set_connection_proxy(new proxy());$mysqli = new mysqli("localhost", "root", "", "test");$mysqli->query("SELECT 1");?>
The above example will output:
proxy::simpleCommand(array ( 0 => NULL, 1 => 3, 2 => 'SELECT 1', 3 => 13, 4 => false, 5 => false, )) Command 'MYSQLND_UH_MYSQLND_COM_QUERY' OK packet 'MYSQLND_UH_MYSQLND_PROT_LAST' proxy::simpleCommand returns true :)proxy::simpleCommand(array ( 0 => NULL, 1 => 1, 2 => '', 3 => 13, 4 => true, 5 => true, )) Command 'MYSQLND_UH_MYSQLND_COM_QUIT' OK packet 'MYSQLND_UH_MYSQLND_PROT_LAST' proxy::simpleCommand returns true
