159 lines
3.8 KiB
PHP
159 lines
3.8 KiB
PHP
<?php
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/**
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* This file is part of CodeIgniter 4 framework.
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*
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* (c) CodeIgniter Foundation <admin@codeigniter.com>
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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namespace CodeIgniter\Database\SQLite3;
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use Closure;
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use CodeIgniter\Database\BaseResult;
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use CodeIgniter\Database\Exceptions\DatabaseException;
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use CodeIgniter\Entity\Entity;
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use SQLite3;
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use SQLite3Result;
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use stdClass;
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/**
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* Result for SQLite3
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*
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* @extends BaseResult<SQLite3, SQLite3Result>
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*/
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class Result extends BaseResult
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{
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/**
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* Gets the number of fields in the result set.
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*/
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public function getFieldCount(): int
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{
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return $this->resultID->numColumns();
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}
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/**
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* Generates an array of column names in the result set.
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*/
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public function getFieldNames(): array
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{
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$fieldNames = [];
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for ($i = 0, $c = $this->getFieldCount(); $i < $c; $i++) {
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$fieldNames[] = $this->resultID->columnName($i);
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}
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return $fieldNames;
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}
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/**
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* Generates an array of objects representing field meta-data.
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*/
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public function getFieldData(): array
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{
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static $dataTypes = [
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SQLITE3_INTEGER => 'integer',
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SQLITE3_FLOAT => 'float',
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SQLITE3_TEXT => 'text',
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SQLITE3_BLOB => 'blob',
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SQLITE3_NULL => 'null',
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];
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$retVal = [];
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$this->resultID->fetchArray(SQLITE3_NUM);
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for ($i = 0, $c = $this->getFieldCount(); $i < $c; $i++) {
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$retVal[$i] = new stdClass();
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$retVal[$i]->name = $this->resultID->columnName($i);
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$type = $this->resultID->columnType($i);
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$retVal[$i]->type = $type;
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$retVal[$i]->type_name = $dataTypes[$type] ?? null;
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$retVal[$i]->max_length = null;
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$retVal[$i]->length = null;
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}
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$this->resultID->reset();
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return $retVal;
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}
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/**
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* Frees the current result.
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*
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* @return void
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*/
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public function freeResult()
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{
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if (is_object($this->resultID)) {
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$this->resultID->finalize();
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$this->resultID = false;
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}
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}
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/**
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* Moves the internal pointer to the desired offset. This is called
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* internally before fetching results to make sure the result set
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* starts at zero.
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*
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* @return bool
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*
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* @throws DatabaseException
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*/
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public function dataSeek(int $n = 0)
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{
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if ($n !== 0) {
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throw new DatabaseException('SQLite3 doesn\'t support seeking to other offset.');
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}
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return $this->resultID->reset();
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}
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/**
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* Returns the result set as an array.
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*
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* Overridden by driver classes.
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*
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* @return array|false
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*/
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protected function fetchAssoc()
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{
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return $this->resultID->fetchArray(SQLITE3_ASSOC);
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}
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/**
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* Returns the result set as an object.
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*
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* Overridden by child classes.
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*
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* @return Entity|false|object|stdClass
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*/
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protected function fetchObject(string $className = 'stdClass')
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{
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// No native support for fetching rows as objects
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if (($row = $this->fetchAssoc()) === false) {
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return false;
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}
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if ($className === 'stdClass') {
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return (object) $row;
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}
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$classObj = new $className();
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if (is_subclass_of($className, Entity::class)) {
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return $classObj->injectRawData($row);
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}
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$classSet = Closure::bind(function ($key, $value) {
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$this->{$key} = $value;
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}, $classObj, $className);
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foreach (array_keys($row) as $key) {
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$classSet($key, $row[$key]);
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}
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return $classObj;
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}
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}
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