db2_prepare

(PECL ibm_db2 >= 1.0.0)

db2_prepare — Prepares an SQL statement to be executed


Описание

resource db2_prepare ( resource $connection , string $statement [, array $options ] )

db2_prepare() creates a prepared SQL statement which can include 0 or more parameter markers (? characters) representing parameters for input, output, or input/output. You can pass parameters to the prepared statement using db2_bind_param(), or for input values only, as an array passed to db2_execute().

There are three main advantages to using prepared statements in your application:


Список параметров

connection -

A valid database connection resource variable as returned from db2_connect() or db2_pconnect().

statement -

An SQL statement, optionally containing one or more parameter markers..

options -

An associative array containing statement options. You can use this parameter to request a scrollable cursor on database servers that support this functionality.

For a description of valid statement options, see db2_set_option().


Возвращаемые значения

Returns a statement resource if the SQL statement was successfully parsed and prepared by the database server. Returns FALSE if the database server returned an error. You can determine which error was returned by calling db2_stmt_error() or db2_stmt_errormsg().


Примеры

Пример #1 Preparing and executing an SQL statement with parameter markers

The following example prepares an INSERT statement that accepts four parameter markers, then iterates over an array of arrays containing the input values to be passed to db2_execute().



Наш чат в Telegram для обмена идеями, проектами, мыслями, людьми в сфере ИТ г.Ростова-на-Дону: @it_rostov
$animals = array(
    array(0, 'cat', 'Pook', 3.2),
    array(1, 'dog', 'Peaches', 12.3),
    array(2, 'horse', 'Smarty', 350.0),
);
$insert = 'INSERT INTO animals (id, breed, name, weight)
    VALUES (?, ?, ?, ?)';
$stmt = db2_prepare($conn, $insert);
if ($stmt) {
    foreach ($animals as $animal) {
        $result = db2_execute($stmt, $animal);
    }
}


Смотрите также


add a note add a note

User Contributed Notes 2 notes


up
down
0
NormInNorman4 years ago
$sql = "SELECT * FROM SCHEMA.TABLENAME";
$options = array('cursor' => DB2_SCROLLABLE);
$conn = db2_connect($database, $user, $password,$options);
$stmt = db2_prepare($conn, $sql);
$result = db2_execute($stmt);
$row = db2_fetch_both($stmt, 2);
$conn = db2_connect($database, $user, $password);
$stmt = db2_prepare($conn, $sql, $options);
$result = db2_execute($stmt);
$row = db2_fetch_both($stmt, 2);

up
down
0
ndt.db2 at google mail7 years ago
if you have the error message : PHP Warning:  db2_prepare() [<a href='function.db2-prepare'>function.db2-prepare</a>]: Statement Prepare Failed in (....)
and cannot display the error message using db2_stmt_errormsg() , then check if your database connection handle is (still) valid

add a note add a note


Описание на ru2.php.net
Описание на php.ru