multi_query()
PHP mysqli multi_query() funksiyasi
Misol - obyektga yo‘naltirilgan uslub
Ma’lumotlar bazasiga bir nechta so‘rov bajaring:
<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");
if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
exit();
}
$sql = "SELECT Lastname FROM Persons ORDER BY LastName;";
$sql .= "SELECT Country FROM Customers";
// Execute multi query
if ($mysqli -> multi_query($sql)) {
do {
// Store first result set
if ($result = $mysqli -> store_result()) {
while ($row = $result -> fetch_row()) {
printf("%s\n", $row[0]);
}
$result -> free_result();
}
// if there are more result-sets, the print a divider
if ($mysqli -> more_results()) {
printf("-------------\n");
}
//Prepare next result set
} while ($mysqli -> next_result());
}
$mysqli -> close();
?>
Protsedural uslubdagi misolni sahifa pastida ko‘ring.
Ta’rif va qo‘llanilishi
multi_query() / mysqli_multi_query() funksiyasi ma’lumotlar bazasiga bir yoki bir nechta so‘rov bajaradi. So‘rovlar nuqtali vergul bilan ajratiladi.
Sintaksis
Obyektga yo‘naltirilgan uslub:
$mysqli -> multi_query(query)
Protsedurali uslub:
mysqli_multi_query(connection, query)
Parametr qiymatlari
| Parametr | Tavsif |
|---|---|
| connection | Majburiy. Foydalaniladigan MySQL ulanishini belgilaydi |
| query | Majburiy. Nuqtali vergul bilan ajratilgan bir yoki bir nechta so‘rovni belgilaydi |
Texnik tafsilotlar
| Qaytariladigan qiymat: | Agar birinchi so‘rov muvaffaqiyatsiz bo‘lsa, FALSE |
|---|---|
| PHP versiyasi: | 5+ |
Misol - protsedural uslub
Ma’lumotlar bazasiga bir nechta so‘rov bajaring:
<?php
$con = mysqli_connect("localhost","my_user","my_password","my_db");
if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit();
}
$sql = "SELECT Lastname FROM Persons ORDER BY LastName;";
$sql .= "SELECT Country FROM Customers";
// Execute multi query
if (mysqli_multi_query($con, $sql)) {
do {
// Store first result set
if ($result = mysqli_store_result($con)) {
while ($row = mysqli_fetch_row($result)) {
printf("%s\n", $row[0]);
}
mysqli_free_result($result);
}
// if there are more result-sets, the print a divider
if (mysqli_more_results($con)) {
printf("-------------\n");
}
//Prepare next result set
} while (mysqli_next_result($con));
}
mysqli_close($con);
?>
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