mysqli_stmt::result_metadata
Just in case:
'max_allowed_packet' is a MySQL variable; it is not a PHP function/variable/constant.
Further info: http://dev.mysql.com/doc/refman/4.1/en/packet-too-large.html
HTH.
mysqli_stmt::send_long_data
mysqli_stmt_send_long_data
(PHP 5)
mysqli_stmt::send_long_data -- mysqli_stmt_send_long_data — Send data in blocks
설명
객체 기반 형식
bool mysqli_stmt::send_long_data
( int $param_nr
, string $data
)
절차식 형식
bool mysqli_stmt_send_long_data
( mysqli_stmt $stmt
, int $param_nr
, string $data
)
Allows to send parameter data to the server in pieces (or chunks), e.g. if the size of a blob exceeds the size of max_allowed_packet. This function can be called multiple times to send the parts of a character or binary data value for a column, which must be one of the TEXT or BLOB datatypes.
인수
- stmt
-
순차 형식 전용: mysqli_stmt_init()가 반환한 statement 식별자.
- param_nr
-
Indicates which parameter to associate the data with. Parameters are numbered beginning with 0.
- data
-
A string containing data to be sent.
반환값
성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.
예제
Example #1 객체 기반 형식
<?php
$stmt = $mysqli->prepare("INSERT INTO messages (message) VALUES (?)");
$null = NULL;
$stmt->bind_param("b", $null);
$fp = fopen("messages.txt", "r");
while (!feof($fp)) {
$stmt->send_long_data(0, fread($fp, 8192));
}
fclose($fp);
$stmt->execute();
?>
참고
- mysqli_prepare() - Prepare an SQL statement for execution
- mysqli_stmt_bind_param() - Binds variables to a prepared statement as parameters
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User Contributed Notes
mysqli_stmt::send_long_data
Gustavo Narea
16-May-2006 07:00
lussnig at smcc dot de
26-Oct-2005 07:31
send_long_data() these function is normaly used to store Data in Binary blob field. But if the table is UTF8 and connection charset it does not expect binary data (for example images) it take utf8 Data.
This mean you have to do utf8_encode bevore sending binary data.