Use wildcard character matches only for Filter\Similar or Filter\Unlike instances.

Author: raviks789

src/Compat/FilterProcessor.php

@@ -65,28 +65,28 @@ public static function assemblePredicate(Filter\Condition $filter)
         if (is_array($expression)) {
             if ($filter instanceof Filter\UnEqual) {
                 return ["($column NOT IN (?) OR $column IS NULL)" => $expression];
-            } elseif ($filter instanceof Filter\Equal) {
+            } elseif ($filter instanceof Filter\Equal || $filter instanceof Filter\Similar) {
                 return ["$column IN (?)" => $expression];
             }
 
             throw new InvalidArgumentException(
                 'Unable to render array expressions with operators other than equal or not equal'
             );
         } elseif (
-            ($filter instanceof Filter\Equal || $filter instanceof Filter\Unequal)
+            ($filter instanceof Filter\Similar || $filter instanceof Filter\Unlike)
             && strpos($expression, '*') !== false
         ) {
             if ($expression === '*') {
-                return ["$column IS " . ($filter instanceof Filter\Equal ? 'NOT ' : '') . 'NULL'];
-            } elseif ($filter instanceof Filter\Unequal) {
+                return ["$column IS " . ($filter instanceof Filter\Similar ? 'NOT ' : '') . 'NULL'];
+            } elseif ($filter instanceof Filter\Unlike) {
                 return ["($column NOT LIKE ? OR $column IS NULL)" => str_replace('*', '%', $expression)];
             } else {
                 return ["$column LIKE ?" => str_replace('*', '%', $expression)];
             }
-        } elseif ($filter instanceof Filter\Unequal) {
+        } elseif ($filter instanceof Filter\Unequal || $filter instanceof Filter\Unlike) {
             return ["($column != ? OR $column IS NULL)" => $expression];
         } else {
-            if ($filter instanceof Filter\Equal) {
+            if ($filter instanceof Filter\Similar || $filter instanceof Filter\Equal) {
                 $operator = '=';
             } elseif ($filter instanceof Filter\GreaterThan) {
                 $operator = '>';