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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\MySQLi;
use CodeIgniter\Database\BaseResult;
use CodeIgniter\Entity\Entity;
use stdClass;
/**
* Result for MySQLi
*/
class Result extends BaseResult
{
/**
* Gets the number of fields in the result set.
*/
public function getFieldCount(): int
{
return $this->resultID->field_count;
}
/**
* Generates an array of column names in the result set.
*/
public function getFieldNames(): array
{
$fieldNames = [];
$this->resultID->field_seek(0);
while ($field = $this->resultID->fetch_field()) {
$fieldNames[] = $field->name;
}
return $fieldNames;
}
/**
* Generates an array of objects representing field meta-data.
*/
public function getFieldData(): array
{
static $dataTypes = [
MYSQLI_TYPE_DECIMAL => 'decimal',
MYSQLI_TYPE_NEWDECIMAL => 'newdecimal',
MYSQLI_TYPE_FLOAT => 'float',
MYSQLI_TYPE_DOUBLE => 'double',
MYSQLI_TYPE_BIT => 'bit',
MYSQLI_TYPE_SHORT => 'short',
MYSQLI_TYPE_LONG => 'long',
MYSQLI_TYPE_LONGLONG => 'longlong',
MYSQLI_TYPE_INT24 => 'int24',
MYSQLI_TYPE_YEAR => 'year',
MYSQLI_TYPE_TIMESTAMP => 'timestamp',
MYSQLI_TYPE_DATE => 'date',
MYSQLI_TYPE_TIME => 'time',
MYSQLI_TYPE_DATETIME => 'datetime',
MYSQLI_TYPE_NEWDATE => 'newdate',
MYSQLI_TYPE_SET => 'set',
MYSQLI_TYPE_VAR_STRING => 'var_string',
MYSQLI_TYPE_STRING => 'string',
MYSQLI_TYPE_GEOMETRY => 'geometry',
MYSQLI_TYPE_TINY_BLOB => 'tiny_blob',
MYSQLI_TYPE_MEDIUM_BLOB => 'medium_blob',
MYSQLI_TYPE_LONG_BLOB => 'long_blob',
MYSQLI_TYPE_BLOB => 'blob',
];
$retVal = [];
$fieldData = $this->resultID->fetch_fields();
foreach ($fieldData as $i => $data) {
$retVal[$i] = new stdClass();
$retVal[$i]->name = $data->name;
$retVal[$i]->type = $data->type;
$retVal[$i]->type_name = in_array($data->type, [1, 247], true) ? 'char' : ($dataTypes[$data->type] ?? null);
$retVal[$i]->max_length = $data->max_length;
$retVal[$i]->primary_key = $data->flags & 2;
$retVal[$i]->length = $data->length;
$retVal[$i]->default = $data->def;
}
return $retVal;
}
/**
* Frees the current result.
*/
public function freeResult()
{
if (is_object($this->resultID)) {
$this->resultID->free();
$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 $this->resultID->data_seek($n);
}
/**
* Returns the result set as an array.
*
* Overridden by driver classes.
*
* @return mixed
*/
protected function fetchAssoc()
{
return $this->resultID->fetch_assoc();
}
/**
* 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 $this->resultID->fetch_object($className);
}
/**
* Returns the number of rows in the resultID (i.e., mysqli_result object)
*/
public function getNumRows(): int
{
if (! is_int($this->numRows)) {
$this->numRows = $this->resultID->num_rows;
}
return $this->numRows;
}
}
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