diff options
Diffstat (limited to 'system/database/drivers/oci8/oci8_result.php')
| -rw-r--r-- | system/database/drivers/oci8/oci8_result.php | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php new file mode 100644 index 000000000..1d0b7db26 --- /dev/null +++ b/system/database/drivers/oci8/oci8_result.php @@ -0,0 +1,249 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 4.3.2 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2008 - 2009, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * oci8 Result Class + * + * This class extends the parent result class: CI_DB_result + * + * @category Database + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_oci8_result extends CI_DB_result { + + var $stmt_id; + var $curs_id; + var $limit_used; + + /** + * Number of rows in the result set. + * + * Oracle doesn't have a graceful way to retun the number of rows + * so we have to use what amounts to a hack. + * + * + * @access public + * @return integer + */ + function num_rows() + { + $rowcount = count($this->result_array()); + @ociexecute($this->stmt_id); + + if ($this->curs_id) + { + @ociexecute($this->curs_id); + } + + return $rowcount; + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + $count = @ocinumcols($this->stmt_id); + + // if we used a limit we subtract it + if ($this->limit_used) + { + $count = $count - 1; + } + + return $count; + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + $field_names = array(); + $fieldCount = $this->num_fields(); + for ($c = 1; $c <= $fieldCount; $c++) + { + $field_names[] = ocicolumnname($this->stmt_id, $c); + } + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + $fieldCount = $this->num_fields(); + for ($c = 1; $c <= $fieldCount; $c++) + { + $F = new stdClass(); + $F->name = ocicolumnname($this->stmt_id, $c); + $F->type = ocicolumntype($this->stmt_id, $c); + $F->max_length = ocicolumnsize($this->stmt_id, $c); + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if (is_resource($this->result_id)) + { + ocifreestatement($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc(&$row) + { + $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id; + + return ocifetchinto($id, $row, OCI_ASSOC + OCI_RETURN_NULLS); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + $result = array(); + + // If PHP 5 is being used we can fetch an result object + if (function_exists('oci_fetch_object')) + { + $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id; + + return @oci_fetch_object($id); + } + + // If PHP 4 is being used we have to build our own result + foreach ($this->result_array() as $key => $val) + { + $obj = new stdClass(); + if (is_array($val)) + { + foreach ($val as $k => $v) + { + $obj->$k = $v; + } + } + else + { + $obj->$key = $val; + } + + $result[] = $obj; + } + + return $result; + } + + // -------------------------------------------------------------------- + + /** + * Query result. "array" version. + * + * @access public + * @return array + */ + function result_array() + { + if (count($this->result_array) > 0) + { + return $this->result_array; + } + + // oracle's fetch functions do not return arrays. + // The information is returned in reference parameters + $row = NULL; + while ($this->_fetch_assoc($row)) + { + $this->result_array[] = $row; + } + + return $this->result_array; + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return FALSE; // Not needed + } + +} + + +/* End of file oci8_result.php */ +/* Location: ./system/database/drivers/oci8/oci8_result.php */
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