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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\SQLSRV;
use CodeIgniter\Database\BaseResult;
use CodeIgniter\Entity\Entity;
use stdClass;
/**
* Result for SQLSRV
*/
class Result extends BaseResult
{
/**
* Gets the number of fields in the result set.
*/
public function getFieldCount(): int
{
return @sqlsrv_num_fields($this->resultID);
}
/**
* Generates an array of column names in the result set.
*/
public function getFieldNames(): array
{
$fieldNames = [];
foreach (sqlsrv_field_metadata($this->resultID) as $field) {
$fieldNames[] = $field['Name'];
}
return $fieldNames;
}
/**
* Generates an array of objects representing field meta-data.
*/
public function getFieldData(): array
{
static $dataTypes = [
SQLSRV_SQLTYPE_BIGINT => 'bigint',
SQLSRV_SQLTYPE_BIT => 'bit',
SQLSRV_SQLTYPE_CHAR => 'char',
SQLSRV_SQLTYPE_DATE => 'date',
SQLSRV_SQLTYPE_DATETIME => 'datetime',
SQLSRV_SQLTYPE_DATETIME2 => 'datetime2',
SQLSRV_SQLTYPE_DATETIMEOFFSET => 'datetimeoffset',
SQLSRV_SQLTYPE_DECIMAL => 'decimal',
SQLSRV_SQLTYPE_FLOAT => 'float',
SQLSRV_SQLTYPE_IMAGE => 'image',
SQLSRV_SQLTYPE_INT => 'int',
SQLSRV_SQLTYPE_MONEY => 'money',
SQLSRV_SQLTYPE_NCHAR => 'nchar',
SQLSRV_SQLTYPE_NUMERIC => 'numeric',
SQLSRV_SQLTYPE_NVARCHAR => 'nvarchar',
SQLSRV_SQLTYPE_NTEXT => 'ntext',
SQLSRV_SQLTYPE_REAL => 'real',
SQLSRV_SQLTYPE_SMALLDATETIME => 'smalldatetime',
SQLSRV_SQLTYPE_SMALLINT => 'smallint',
SQLSRV_SQLTYPE_SMALLMONEY => 'smallmoney',
SQLSRV_SQLTYPE_TEXT => 'text',
SQLSRV_SQLTYPE_TIME => 'time',
SQLSRV_SQLTYPE_TIMESTAMP => 'timestamp',
SQLSRV_SQLTYPE_TINYINT => 'tinyint',
SQLSRV_SQLTYPE_UNIQUEIDENTIFIER => 'uniqueidentifier',
SQLSRV_SQLTYPE_UDT => 'udt',
SQLSRV_SQLTYPE_VARBINARY => 'varbinary',
SQLSRV_SQLTYPE_VARCHAR => 'varchar',
SQLSRV_SQLTYPE_XML => 'xml',
];
$retVal = [];
foreach (sqlsrv_field_metadata($this->resultID) as $i => $field) {
$retVal[$i] = new stdClass();
$retVal[$i]->name = $field['Name'];
$retVal[$i]->type = $field['Type'];
$retVal[$i]->type_name = $dataTypes[$field['Type']] ?? null;
$retVal[$i]->max_length = $field['Size'];
}
return $retVal;
}
/**
* Frees the current result.
*/
public function freeResult()
{
if (is_resource($this->resultID)) {
sqlsrv_free_stmt($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 $n = 0)
{
if ($n > 0) {
for ($i = 0; $i < $n; $i++) {
if (sqlsrv_fetch($this->resultID) === false) {
return false;
}
}
}
return true;
}
/**
* Returns the result set as an array.
*
* Overridden by driver classes.
*
* @return mixed
*/
protected function fetchAssoc()
{
return sqlsrv_fetch_array($this->resultID, SQLSRV_FETCH_ASSOC);
}
/**
* Returns the result set as an object.
*
* @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 sqlsrv_fetch_object($this->resultID, $className);
}
/**
* Returns the number of rows in the resultID (i.e., SQLSRV query result resource)
*/
public function getNumRows(): int
{
if (! is_int($this->numRows)) {
$this->numRows = sqlsrv_num_rows($this->resultID);
}
return $this->numRows;
}
}
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