init

2026-05-12 21:10:38 +02:00
commit ab96d82fcf
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+<?php
+declare(strict_types=1);
+
+/**
+ * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
+ * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * For full copyright and license information, please see the LICENSE.txt
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
+ * @link          https://cakephp.org CakePHP(tm) Project
+ * @since         4.0.3
+ * @license       https://opensource.org/licenses/mit-license.php MIT License
+ */
+namespace Cake\Database;
+
+use Cake\Database\Expression\FunctionExpression;
+
+/**
+ * Responsible for compiling a Query object into its SQL representation
+ * for Postgres
+ *
+ * @internal
+ */
+class PostgresCompiler extends QueryCompiler
+{
+    /**
+     * Always quote aliases in SELECT clause.
+     *
+     * Postgres auto converts unquoted identifiers to lower case.
+     *
+     * @var bool
+     */
+    protected bool $_quotedSelectAliases = true;
+
+    /**
+     * {@inheritDoc}
+     *
+     * @var array<string, string>
+     */
+    protected array $_templates = [
+        'delete' => 'DELETE',
+        'where' => ' WHERE %s',
+        'group' => ' GROUP BY %s',
+        'order' => ' %s',
+        'limit' => ' LIMIT %s',
+        'offset' => ' OFFSET %s',
+        'epilog' => ' %s',
+        'comment' => '/* %s */ ',
+    ];
+
+    /**
+     * Helper function used to build the string representation of a HAVING clause,
+     * it constructs the field list taking care of aliasing and
+     * converting expression objects to string.
+     *
+     * @param array $parts list of fields to be transformed to string
+     * @param \Cake\Database\Query $query The query that is being compiled
+     * @param \Cake\Database\ValueBinder $binder Value binder used to generate parameter placeholder
+     * @return string
+     */
+    protected function _buildHavingPart(array $parts, Query $query, ValueBinder $binder): string
+    {
+        $selectParts = $query->clause('select');
+
+        foreach ($selectParts as $selectKey => $selectPart) {
+            if (!$selectPart instanceof FunctionExpression) {
+                continue;
+            }
+            foreach ($parts as $k => $p) {
+                if (!is_string($p)) {
+                    continue;
+                }
+                preg_match_all(
+                    '/\b' . trim($selectKey, '"') . '\b/i',
+                    $p,
+                    $matches,
+                );
+
+                if (empty($matches[0])) {
+                    continue;
+                }
+
+                $parts[$k] = preg_replace(
+                    ['/"/', '/\b' . trim($selectKey, '"') . '\b/i'],
+                    ['', $selectPart->sql($binder)],
+                    $p,
+                );
+            }
+        }
+
+        return sprintf(' HAVING %s', implode(', ', $parts));
+    }
+}