本文整理汇总了PHP中pg_loread函数的典型用法代码示例。如果您正苦于以下问题：PHP pg_loread函数的具体用法？PHP pg_loread怎么用？PHP pg_loread使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了pg_loread函数的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: DB_lo_read
function DB_lo_read($contest, $id, $s = -1)
{
if (strcmp(phpversion(), '4.2.0') < 0) {
if ($s < 0) {
$str = '';
while (($buf = pg_loread($id, 100000)) != false) {
$str .= $buf;
}
} else {
$str = pg_loread($id, $s);
}
} else {
if ($s < 0) {
$str = '';
while (($buf = pg_lo_read($id, 100000)) != false) {
$str .= $buf;
}
} else {
$str = pg_lo_read($id, $s);
}
}
if (($str2 = DB_unlock($contest, $str)) === false) {
return $str;
}
return $str2;
}示例2: BlobDecode
function BlobDecode($blob, $maxsize = false, $hastrans = true)
{
if (!$this->GuessOID($blob)) {
return $blob;
}
if ($hastrans) {
@pg_exec($this->_connectionID, "begin");
}
$fd = @pg_lo_open($this->_connectionID, $blob, "r");
if ($fd === false) {
if ($hastrans) {
@pg_exec($this->_connectionID, "commit");
}
return $blob;
}
if (!$maxsize) {
$maxsize = $this->maxblobsize;
}
$realblob = @pg_loread($fd, $maxsize);
@pg_loclose($fd);
if ($hastrans) {
@pg_exec($this->_connectionID, "commit");
}
return $realblob;
}示例3: ReadResultLOB
function ReadResultLOB($lob, &$data, $length)
{
if (!$this->RetrieveLOB($lob)) {
return -1;
}
$data = pg_loread($this->lobs[$lob]["Handle"], $length);
if (GetType($data) != "string") {
$this->SetError("Read Result LOB", pg_ErrorMessage($this->connection));
return -1;
}
if (($length = strlen($data)) == 0) {
$this->lobs[$lob]["EndOfLOB"] = 1;
}
return $length;
}示例4: DB_lo_read
function DB_lo_read($fp, $len)
{
if (strcmp(phpversion(), '4.2.0') < 0) {
return pg_loread($fp, $len);
} else {
return pg_lo_read($fp, $len);
}
}示例5: _readResultLob
/**
* Read data from large object input stream.
*
* @param int $lob handle to a lob created by the createLob() function
* @param blob $data reference to a variable that will hold data to be
* read from the large object input stream
* @param int $length integer value that indicates the largest ammount of
* data to be read from the large object input stream.
* @return mixed length on success, a MDB error on failure
* @access private
*/
function _readResultLob($lob, &$data, $length)
{
$lobresult = $this->_retrieveLob($lob);
if (MDB::isError($lobresult)) {
return $lobresult;
}
$data = @pg_loread($this->lobs[$lob]['Handle'], $length);
if (gettype($data) != 'string') {
$this->raiseError(MDB_ERROR, NULL, NULL, 'Read Result LOB: ' . @pg_errormessage($this->connection));
}
if (($length = strlen($data)) == 0) {
$this->lobs[$lob]['EndOfLOB'] = 1;
}
return $length;
}示例6: _readResultLOB
/**
* Read data from large object input stream.
*
* @param int $lob handle to a lob created by the createLOB() function
* @param blob $data reference to a variable that will hold data to be
* read from the large object input stream
* @param int $length integer value that indicates the largest ammount of
* data to be read from the large object input stream.
* @return mixed length on success, a MDB2 error on failure
* @access private
*/
function _readResultLOB($lob, &$data, $length)
{
$db =& $GLOBALS['_MDB2_databases'][$this->db_index];
$lobresult = $this->_retrieveLOB($lob);
if (MDB2::isError($lobresult)) {
return $lobresult;
}
$data = @pg_loread($db->lobs[$lob]['handle'], $length);
if (!is_string($data)) {
return $db->raiseError();
}
if (($length = strlen($data)) == 0) {
$db->lobs[$lob]['end_of_LOB'] = true;
}
return $length;
}