-/**
- * 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;
- }
-}
-