From 31d3153d2be1b12cd821645c18f7adea1a458898 Mon Sep 17 00:00:00 2001
From: Eric Lippmann <eric.lippmann@icinga.com>
Date: Mon, 12 Aug 2019 13:41:38 +0200
Subject: [PATCH] Support wildcard filters in chains (#3903)

---
 library/Icinga/Data/Db/DbQuery.php | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/library/Icinga/Data/Db/DbQuery.php b/library/Icinga/Data/Db/DbQuery.php
index 78605b7ad..25de96742 100644
--- a/library/Icinga/Data/Db/DbQuery.php
+++ b/library/Icinga/Data/Db/DbQuery.php
@@ -298,13 +298,31 @@ class DbQuery extends SimpleQuery
         }
 
         if (is_array($expression)) {
+            $comp = [];
+            $pattern = [];
+            foreach ($expression as $value) {
+                if (strpos($value, '*') === false) {
+                    $comp[] = $value;
+                } else {
+                    $pattern[] = $this->whereToSql($col, $sign, $value);
+                }
+            }
+            $sql = $pattern;
             if ($sign === '=') {
-                return $col . ' IN (' . $this->escapeForSql($expression) . ')';
+                if (! empty($comp)) {
+                    $sql[] = $col . ' IN (' . $this->escapeForSql($comp) . ')';
+                }
             } elseif ($sign === '!=') {
-                return sprintf('(%1$s NOT IN (%2$s) OR %1$s IS NULL)', $col, $this->escapeForSql($expression));
+                if (! empty($comp)) {
+                    $sql[] = sprintf('(%1$s NOT IN (%2$s) OR %1$s IS NULL)', $col, $this->escapeForSql($comp));
+                }
+            } else {
+                throw new QueryException(
+                    'Unable to render array expressions with operators other than equal or not equal'
+                );
             }
 
-            throw new QueryException('Unable to render array expressions with operators other than equal or not equal');
+            return '(' . implode(' OR ', $sql) . ')';
         } elseif ($sign === '=' && strpos($expression, '*') !== false) {
             if ($expression === '*') {
                 return new Zend_Db_Expr('TRUE');