Initial

system/Database/Postgre/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\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;
+    }
+}