110 lines
2.2 KiB
PHP
110 lines
2.2 KiB
PHP
<?php
|
|
|
|
use Wikimedia\Rdbms\IDatabase;
|
|
|
|
/**
|
|
* The oci8 extension is fairly weak and doesn't support oci_num_rows, among
|
|
* other things. We use a wrapper class to handle that and other
|
|
* Oracle-specific bits, like converting column names back to lowercase.
|
|
* @ingroup Database
|
|
*/
|
|
class ORAResult {
|
|
private $rows;
|
|
private $cursor;
|
|
private $nrows;
|
|
|
|
private $columns = [];
|
|
|
|
private function array_unique_md( $array_in ) {
|
|
$array_out = [];
|
|
$array_hashes = [];
|
|
|
|
foreach ( $array_in as $item ) {
|
|
$hash = md5( serialize( $item ) );
|
|
if ( !isset( $array_hashes[$hash] ) ) {
|
|
$array_hashes[$hash] = $hash;
|
|
$array_out[] = $item;
|
|
}
|
|
}
|
|
|
|
return $array_out;
|
|
}
|
|
|
|
/**
|
|
* @param IDatabase &$db
|
|
* @param resource $stmt A valid OCI statement identifier
|
|
* @param bool $unique
|
|
*/
|
|
function __construct( &$db, $stmt, $unique = false ) {
|
|
$this->db =& $db;
|
|
|
|
$this->nrows = oci_fetch_all( $stmt, $this->rows, 0, -1, OCI_FETCHSTATEMENT_BY_ROW | OCI_NUM );
|
|
if ( $this->nrows === false ) {
|
|
$e = oci_error( $stmt );
|
|
$db->reportQueryError( $e['message'], $e['code'], '', __METHOD__ );
|
|
$this->free();
|
|
|
|
return;
|
|
}
|
|
|
|
if ( $unique ) {
|
|
$this->rows = $this->array_unique_md( $this->rows );
|
|
$this->nrows = count( $this->rows );
|
|
}
|
|
|
|
if ( $this->nrows > 0 ) {
|
|
foreach ( $this->rows[0] as $k => $v ) {
|
|
$this->columns[$k] = strtolower( oci_field_name( $stmt, $k + 1 ) );
|
|
}
|
|
}
|
|
|
|
$this->cursor = 0;
|
|
oci_free_statement( $stmt );
|
|
}
|
|
|
|
public function free() {
|
|
unset( $this->db );
|
|
}
|
|
|
|
public function seek( $row ) {
|
|
$this->cursor = min( $row, $this->nrows );
|
|
}
|
|
|
|
public function numRows() {
|
|
return $this->nrows;
|
|
}
|
|
|
|
public function numFields() {
|
|
return count( $this->columns );
|
|
}
|
|
|
|
public function fetchObject() {
|
|
if ( $this->cursor >= $this->nrows ) {
|
|
return false;
|
|
}
|
|
$row = $this->rows[$this->cursor++];
|
|
$ret = new stdClass();
|
|
foreach ( $row as $k => $v ) {
|
|
$lc = $this->columns[$k];
|
|
$ret->$lc = $v;
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
public function fetchRow() {
|
|
if ( $this->cursor >= $this->nrows ) {
|
|
return false;
|
|
}
|
|
|
|
$row = $this->rows[$this->cursor++];
|
|
$ret = [];
|
|
foreach ( $row as $k => $v ) {
|
|
$lc = $this->columns[$k];
|
|
$ret[$lc] = $v;
|
|
$ret[$k] = $v;
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
}
|