query ('PREPARE mid FROM" SELECT name FROM te...">

Mysqli prepare error message?

$ mysqli = new mysqli ("localhost", "root", "," test "); $ mysqli-> query ('PREPARE mid FROM" SELECT name FROM test_user WHERE id =? "'); // run the working code / / $ res = $ mysqli-> query ('PREPARE mid FROM "SELECT name FROM test_user"'); // $ res = $ mysqli-> query ('EXECUTE mid;') or die (mysqli_error ($ mysqli)); // working code finished .. $ res = $ mysqli-> query ('EXECUTE mid 1;') or die (mysqli_error ($ mysqli));

while($resu = $res->fetch_object()) {
    echo '<br>' .$resu->name;
}

      

Error:

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '1' at line 1

      

my php PHP Version 5.3.0

and mysql version

mysqlnd 5.0.5-dev - 081106 - $Revision: 1.3.2.27 $ 

      

I got the correct result using where clause

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2 answers


Use the prepare function for the SELECT query:

http://php.net/manual/en/mysqli.prepare.php



/* create a prepared statement */
if ($stmt = $mysqli->prepare("SELECT District FROM City WHERE Name=?")) {

    /* bind parameters for markers */
    $stmt->bind_param("s", $city);

    /* execute query */
    $stmt->execute();

    /* bind result variables */
    $stmt->bind_result($district);

    /* fetch value */
    $stmt->fetch();

    /* close statement */
    $stmt->close();
}
      

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http://dev.mysql.com/doc/refman/5.1/en/execute.html

The EXECUTE statement must use the use clause. Thus, you can do something like:



$mysqli = new mysqli("localhost", "root", "", "test");
$mysqli->query('PREPARE mid FROM "SELECT name FROM test_user WHERE id = ?"');
$mysqli->query('SET @var1 = 1;');
$res = $mysqli->query( 'EXECUTE mid USING @var1;') or die(mysqli_error($mysqli));

      

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