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<?php
/**
* This file is part of CodeIgniter 4 framework.
*
* (c) CodeIgniter Foundation <admin@codeigniter.com>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace CodeIgniter\Database\Postgre;
use CodeIgniter\Database\BaseResult;
use CodeIgniter\Entity\Entity;
use stdClass;
/**
* Result for Postgre
*/
class Result extends BaseResult
{
/**
* Gets the number of fields in the result set.
*/
public function getFieldCount(): int
{
return pg_num_fields($this->resultID);
}
/**
* Generates an array of column names in the result set.
*/
public function getFieldNames(): array
{
$fieldNames = [];
for ($i = 0, $c = $this->getFieldCount(); $i < $c; $i++) {
$fieldNames[] = pg_field_name($this->resultID, $i);
}
return $fieldNames;
}
/**
* Generates an array of objects representing field meta-data.
*/
public function getFieldData(): array
{
$retVal = [];
for ($i = 0, $c = $this->getFieldCount(); $i < $c; $i++) {
$retVal[$i] = new stdClass();
$retVal[$i]->name = pg_field_name($this->resultID, $i);
$retVal[$i]->type = pg_field_type_oid($this->resultID, $i);
$retVal[$i]->type_name = pg_field_type($this->resultID, $i);
$retVal[$i]->max_length = pg_field_size($this->resultID, $i);
$retVal[$i]->length = $retVal[$i]->max_length;
// $retVal[$i]->primary_key = (int)($fieldData[$i]->flags & 2);
// $retVal[$i]->default = $fieldData[$i]->def;
}
return $retVal;
}
/**
* Frees the current result.
*/
public function freeResult()
{
if ($this->resultID !== false) {
pg_free_result($this->resultID);
$this->resultID = false;
}
}
/**
* Moves the internal pointer to the desired offset. This is called
* internally before fetching results to make sure the result set
* starts at zero.
*
* @return mixed
*/
public function dataSeek(int $n = 0)
{
return pg_result_seek($this->resultID, $n);
}
/**
* Returns the result set as an array.
*
* Overridden by driver classes.
*
* @return mixed
*/
protected function fetchAssoc()
{
return pg_fetch_assoc($this->resultID);
}
/**
* Returns the result set as an object.
*
* Overridden by child classes.
*
* @return bool|Entity|object
*/
protected function fetchObject(string $className = 'stdClass')
{
if (is_subclass_of($className, Entity::class)) {
return empty($data = $this->fetchAssoc()) ? false : (new $className())->setAttributes($data);
}
return pg_fetch_object($this->resultID, null, $className);
}
/**
* Returns the number of rows in the resultID (i.e., PostgreSQL query result resource)
*/
public function getNumRows(): int
{
if (! is_int($this->numRows)) {
$this->numRows = pg_num_rows($this->resultID);
}
return $this->numRows;
}
}
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