- Fixed IN() query from Where rendering

src/Query/Where.php

@@ -110,11 +110,11 @@ class Where extends Fragment {
             protected function operator() : string
             {
                 if ( is_array($this->value) ) {
-                    return (in_array($this->operator, [ '!=', '<>' ]) ? Where::CONDITION_NOT . " " : "") . Where::COMPARISON_IN;
+                    return Where::COMPARISON_IN;
                 }
 
                 # whitelisting operators
-                return in_array(strtoupper($this->operator), [ '=', '!=', '>', '>=', '<', '<=', '<>', 'LIKE', 'IS', 'IS NOT', 'REGEXP' ]) ? $this->operator : "=";
+                return in_array(strtoupper($this->operator), [ '=', '!=', '>', '>=', '<', '<=', '<>', 'LIKE', 'IS', 'IS NOT', 'REGEXP', 'IN' ]) ? $this->operator : "=";
             }
 
             protected function value()