oci8.php

FP2 CRM code+Mysql DB

    {
        if ($rownum !== null) {
            return $this->raiseError(DB_ERROR_NOT_CAPABLE);
        }
        if ($fetchmode & DB_FETCHMODE_ASSOC) {
            $moredata = @OCIFetchInto($result,$arr,OCI_ASSOC+OCI_RETURN_NULLS+OCI_RETURN_LOBS);
            if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE &&
                $moredata)
            {
                $arr = array_change_key_case($arr, CASE_LOWER);
            }
        } else {
            $moredata = OCIFetchInto($result,$arr,OCI_RETURN_NULLS+OCI_RETURN_LOBS);
        }
        if (!$moredata) {
            return null;
        }
        if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {
            $this->_rtrimArrayValues($arr);
        }
        if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {
            $this->_convertNullArrayValuesToEmpty($arr);
        }
        return DB_OK;
    }

    // }}}
    // {{{ freeResult()

    /**
     * Deletes the result set and frees the memory occupied by the result set
     *
     * This method is not meant to be called directly.  Use
     * DB_result::free() instead.  It can't be declared "protected"
     * because DB_result is a separate object.
     *
     * @param resource $result  PHP's query result resource
     *
     * @return bool  TRUE on success, FALSE if $result is invalid
     *
     * @see DB_result::free()
     */
    function freeResult($result)
    {
        return @OCIFreeStatement($result);
    }

    /**
     * Frees the internal resources associated with a prepared query
     *
     * @param resource $stmt           the prepared statement's resource
     * @param bool     $free_resource  should the PHP resource be freed too?
     *                                  Use false if you need to get data
     *                                  from the result set later.
     *
     * @return bool  TRUE on success, FALSE if $result is invalid
     *
     * @see DB_oci8::prepare()
     */
    function freePrepared($stmt, $free_resource = true)
    {
        if (!is_resource($stmt)) {
            return false;
        }
        if ($free_resource) {
            @ocifreestatement($stmt);
        }
        if (isset($this->prepare_types[(int)$stmt])) {
            unset($this->prepare_types[(int)$stmt]);
            unset($this->manip_query[(int)$stmt]);
        } else {
            return false;
        }
        return true;
    }

    // }}}
    // {{{ numRows()

    /**
     * Gets the number of rows in a result set
     *
     * Only works if the DB_PORTABILITY_NUMROWS portability option
     * is turned on.
     *
     * This method is not meant to be called directly.  Use
     * DB_result::numRows() instead.  It can't be declared "protected"
     * because DB_result is a separate object.
     *
     * @param resource $result  PHP's query result resource
     *
     * @return int  the number of rows.  A DB_Error object on failure.
     *
     * @see DB_result::numRows(), DB_common::setOption()
     */
    function numRows($result)
    {
        // emulate numRows for Oracle.  yuck.
        if ($this->options['portability'] & DB_PORTABILITY_NUMROWS &&
            $result === $this->last_stmt)
        {
            $countquery = 'SELECT COUNT(*) FROM ('.$this->last_query.')';
            $save_query = $this->last_query;
            $save_stmt = $this->last_stmt;

            if (count($this->_data)) {
                $smt = $this->prepare('SELECT COUNT(*) FROM ('.$this->last_query.')');
                $count = $this->execute($smt, $this->_data);
            } else {
                $count =& $this->query($countquery);
            }

            if (DB::isError($count) ||
                DB::isError($row = $count->fetchRow(DB_FETCHMODE_ORDERED)))
            {
                $this->last_query = $save_query;
                $this->last_stmt = $save_stmt;
                return $this->raiseError(DB_ERROR_NOT_CAPABLE);
            }
            return $row[0];
        }
        return $this->raiseError(DB_ERROR_NOT_CAPABLE);
    }

    // }}}
    // {{{ numCols()

    /**
     * Gets the number of columns in a result set
     *
     * This method is not meant to be called directly.  Use
     * DB_result::numCols() instead.  It can't be declared "protected"
     * because DB_result is a separate object.
     *
     * @param resource $result  PHP's query result resource
     *
     * @return int  the number of columns.  A DB_Error object on failure.
     *
     * @see DB_result::numCols()
     */
    function numCols($result)
    {
        $cols = @OCINumCols($result);
        if (!$cols) {
            return $this->oci8RaiseError($result);
        }
        return $cols;
    }

    // }}}
    // {{{ prepare()

    /**
     * Prepares a query for multiple execution with execute().
     *
     * With oci8, this is emulated.
     *
     * prepare() requires a generic query as string like <code>
     *    INSERT INTO numbers VALUES (?, ?, ?)
     * </code>.  The <kbd>?</kbd> characters are placeholders.
     *
     * Three types of placeholders can be used:
     *   + <kbd>?</kbd>  a quoted scalar value, i.e. strings, integers
     *   + <kbd>!</kbd>  value is inserted 'as is'
     *   + <kbd>&</kbd>  requires a file name.  The file's contents get
     *                     inserted into the query (i.e. saving binary
     *                     data in a db)
     *
     * Use backslashes to escape placeholder characters if you don't want
     * them to be interpreted as placeholders.  Example: <code>
     *    "UPDATE foo SET col=? WHERE col='over \& under'"
     * </code>
     *
     * @param string $query  the query to be prepared
     *
     * @return mixed  DB statement resource on success. DB_Error on failure.
     *
     * @see DB_oci8::execute()
     */
    function prepare($query)
    {
        $tokens   = preg_split('/((?<!\\\)[&?!])/', $query, -1,
                               PREG_SPLIT_DELIM_CAPTURE);
        $binds    = count($tokens) - 1;
        $token    = 0;
        $types    = array();
        $newquery = '';

        foreach ($tokens as $key => $val) {
            switch ($val) {
                case '?':
                    $types[$token++] = DB_PARAM_SCALAR;
                    unset($tokens[$key]);
                    break;
                case '&':
                    $types[$token++] = DB_PARAM_OPAQUE;
                    unset($tokens[$key]);
                    break;
                case '!':
                    $types[$token++] = DB_PARAM_MISC;
                    unset($tokens[$key]);
                    break;
                default:
                    $tokens[$key] = preg_replace('/\\\([&?!])/', "\\1", $val);
                    if ($key != $binds) {
                        $newquery .= $tokens[$key] . ':bind' . $token;
                    } else {
                        $newquery .= $tokens[$key];
                    }
            }
        }

        $this->last_query = $query;
        $newquery = $this->modifyQuery($newquery);
        if (!$stmt = @OCIParse($this->connection, $newquery)) {
            return $this->oci8RaiseError();
        }
        $this->prepare_types[(int)$stmt] = $types;
        $this->manip_query[(int)$stmt] = DB::isManip($query);
        return $stmt;
    }

    // }}}
    // {{{ execute()

    /**
     * Executes a DB statement prepared with prepare().
     *
     * To determine how many rows of a result set get buffered using
     * ocisetprefetch(), see the "result_buffering" option in setOptions().
     * This option was added in Release 1.7.0.
     *
     * @param resource  $stmt  a DB statement resource returned from prepare()
     * @param mixed  $data  array, string or numeric data to be used in
     *                      execution of the statement.  Quantity of items
     *                      passed must match quantity of placeholders in
     *                      query:  meaning 1 for non-array items or the
     *                      quantity of elements in the array.
     *
     * @return mixed  returns an oic8 result resource for successful SELECT
     *                queries, DB_OK for other successful queries.
     *                A DB error object is returned on failure.
     *
     * @see DB_oci8::prepare()
     */
    function &execute($stmt, $data = array())
    {
        $data = (array)$data;
        $this->last_parameters = $data;
        $this->_data = $data;

        $types =& $this->prepare_types[(int)$stmt];
        if (count($types) != count($data)) {
            $tmp =& $this->raiseError(DB_ERROR_MISMATCH);
            return $tmp;
        }

        $i = 0;
        foreach ($data as $key => $value) {
            if ($types[$i] == DB_PARAM_MISC) {
                /*
                 * Oracle doesn't seem to have the ability to pass a
                 * parameter along unchanged, so strip off quotes from start
                 * and end, plus turn two single quotes to one single quote,
                 * in order to avoid the quotes getting escaped by
                 * Oracle and ending up in the database.
                 */
                $data[$key] = preg_replace("/^'(.*)'$/", "\\1", $data[$key]);
                $data[$key] = str_replace("''", "'", $data[$key]);
            } elseif ($types[$i] == DB_PARAM_OPAQUE) {
                $fp = @fopen($data[$key], 'rb');
                if (!$fp) {
                    $tmp =& $this->raiseError(DB_ERROR_ACCESS_VIOLATION);
                    return $tmp;
                }
                $data[$key] = fread($fp, filesize($data[$key]));
                fclose($fp);
            }
            if (!@OCIBindByName($stmt, ':bind' . $i, $data[$key], -1)) {
                $tmp = $this->oci8RaiseError($stmt);
                return $tmp;
            }
            $i++;
        }
        if ($this->autocommit) {
            $success = @OCIExecute($stmt, OCI_COMMIT_ON_SUCCESS);
        } else {
            $success = @OCIExecute($stmt, OCI_DEFAULT);
        }
        if (!$success) {
            $tmp = $this->oci8RaiseError($stmt);
            return $tmp;
        }
        $this->last_stmt = $stmt;
        if ($this->manip_query[(int)$stmt]) {
            $tmp = DB_OK;
        } else {
            @ocisetprefetch($stmt, $this->options['result_buffering']);
            $tmp =& new DB_result($this, $stmt);
        }
        return $tmp;
    }

    // }}}
    // {{{ autoCommit()

    /**
     * Enables or disables automatic commits
     *
     * @param bool $onoff  true turns it on, false turns it off
     *
     * @return int  DB_OK on success.  A DB_Error object if the driver
     *               doesn't support auto-committing transactions.
     */
    function autoCommit($onoff = false)
    {
        $this->autocommit = (bool)$onoff;;
        return DB_OK;
    }

    // }}}
    // {{{ commit()

    /**
     * Commits the current transaction
     *
     * @return int  DB_OK on success.  A DB_Error object on failure.
     */
    function commit()
    {
        $result = @OCICommit($this->connection);
        if (!$result) {
            return $this->oci8RaiseError();
        }
        return DB_OK;
    }

    // }}}
    // {{{ rollback()

    /**
     * Reverts the current transaction
     *
     * @return int  DB_OK on success.  A DB_Error object on failure.
     */
    function rollback()
    {
        $result = @OCIRollback($this->connection);
        if (!$result) {
            return $this->oci8RaiseError();
        }
        return DB_OK;
    }

    // }}}
    // {{{ affectedRows()

    /**
     * Determines the number of rows affected by a data maniuplation query
     *
     * 0 is returned for queries that don't manipulate data.
     *
     * @return int  the number of rows.  A DB_Error object on failure.
     */
    function affectedRows()
    {
        if ($this->last_stmt === false) {
            return $this->oci8RaiseError();
        }
        $result = @OCIRowCount($this->last_stmt);
        if ($result === false) {
            return $this->oci8RaiseError($this->last_stmt);
        }