Add In and NotIn filter expressions

Author: nilmerg

src/Compat/FilterProcessor.php

@@ -4,7 +4,10 @@
 
 use InvalidArgumentException;
 use ipl\Sql\Filter\Exists;
+use ipl\Sql\Filter\In;
 use ipl\Sql\Filter\NotExists;
+use ipl\Sql\Filter\NotIn;
+use ipl\Sql\Select;
 use ipl\Sql\Sql;
 use ipl\Stdlib\Filter;
 
@@ -102,6 +105,18 @@ public static function assemblePredicate(Filter\Condition $filter)
                 $operator = 'EXISTS';
             } elseif ($filter instanceof NotExists) {
                 $operator = 'NOT EXISTS';
+            } elseif ($filter instanceof In) {
+                $operator = 'IN';
+
+                if (is_array($column)) {
+                    $column = '( ' . implode(', ', $column) . ' )';
+                }
+            } elseif ($filter instanceof NotIn) {
+                $operator = 'NOT IN';
+
+                if (is_array($column)) {
+                    $column = '( ' . implode(', ', $column) . ' )';
+                }
             } else {
                 throw new InvalidArgumentException(sprintf('Cannot render filter: %s', get_class($filter)));
             }

src/Filter/In.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace ipl\Sql\Filter;
+
+use ipl\Sql\Select;
+use ipl\Stdlib\Filter;
+
+class In extends Filter\Condition
+{
+    public function __construct($column, Select $select)
+    {
+        parent::__construct($column, $select);
+    }
+}

src/Filter/NotIn.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace ipl\Sql\Filter;
+
+use ipl\Sql\Select;
+use ipl\Stdlib\Filter;
+
+class NotIn extends Filter\Condition
+{
+    public function __construct($column, Select $select)
+    {
+        parent::__construct($column, $select);
+    }
+}