Initial

system/Database/SQLite3/Result.php

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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\SQLite3;
+
+use Closure;
+use CodeIgniter\Database\BaseResult;
+use CodeIgniter\Database\Exceptions\DatabaseException;
+use CodeIgniter\Entity\Entity;
+use stdClass;
+
+/**
+ * Result for SQLite3
+ */
+class Result extends BaseResult
+{
+    /**
+     * Gets the number of fields in the result set.
+     */
+    public function getFieldCount(): int
+    {
+        return $this->resultID->numColumns();
+    }
+
+    /**
+     * 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[] = $this->resultID->columnName($i);
+        }
+
+        return $fieldNames;
+    }
+
+    /**
+     * Generates an array of objects representing field meta-data.
+     */
+    public function getFieldData(): array
+    {
+        static $dataTypes = [
+            SQLITE3_INTEGER => 'integer',
+            SQLITE3_FLOAT   => 'float',
+            SQLITE3_TEXT    => 'text',
+            SQLITE3_BLOB    => 'blob',
+            SQLITE3_NULL    => 'null',
+        ];
+
+        $retVal = [];
+        $this->resultID->fetchArray(SQLITE3_NUM);
+
+        for ($i = 0, $c = $this->getFieldCount(); $i < $c; $i++) {
+            $retVal[$i]             = new stdClass();
+            $retVal[$i]->name       = $this->resultID->columnName($i);
+            $type                   = $this->resultID->columnType($i);
+            $retVal[$i]->type       = $type;
+            $retVal[$i]->type_name  = $dataTypes[$type] ?? null;
+            $retVal[$i]->max_length = null;
+            $retVal[$i]->length     = null;
+        }
+        $this->resultID->reset();
+
+        return $retVal;
+    }
+
+    /**
+     * Frees the current result.
+     */
+    public function freeResult()
+    {
+        if (is_object($this->resultID)) {
+            $this->resultID->finalize();
+            $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.
+     *
+     * @throws DatabaseException
+     *
+     * @return mixed
+     */
+    public function dataSeek(int $n = 0)
+    {
+        if ($n !== 0) {
+            throw new DatabaseException('SQLite3 doesn\'t support seeking to other offset.');
+        }
+
+        return $this->resultID->reset();
+    }
+
+    /**
+     * Returns the result set as an array.
+     *
+     * Overridden by driver classes.
+     *
+     * @return mixed
+     */
+    protected function fetchAssoc()
+    {
+        return $this->resultID->fetchArray(SQLITE3_ASSOC);
+    }
+
+    /**
+     * Returns the result set as an object.
+     *
+     * Overridden by child classes.
+     *
+     * @return bool|object
+     */
+    protected function fetchObject(string $className = 'stdClass')
+    {
+        // No native support for fetching rows as objects
+        if (($row = $this->fetchAssoc()) === false) {
+            return false;
+        }
+
+        if ($className === 'stdClass') {
+            return (object) $row;
+        }
+
+        $classObj = new $className();
+
+        if (is_subclass_of($className, Entity::class)) {
+            return $classObj->setAttributes($row);
+        }
+
+        $classSet = Closure::bind(function ($key, $value) {
+            $this->{$key} = $value;
+        }, $classObj, $className);
+
+        foreach (array_keys($row) as $key) {
+            $classSet($key, $row[$key]);
+        }
+
+        return $classObj;
+    }
+}