Fix where parsing for exists and column clauses

Author: mikebronner

CHANGELOG.md

@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [0.2.5] - 2017-10-04
 ### Fixed
-- parsing of nested where clauses.
+- parsing of nested, exists, and column where clauses.
 
 ## [0.2.4] - 2017-10-03
 ### Added

src/CachedBuilder.php

@@ -80,10 +80,14 @@ protected function getWhereClauses(array $wheres = []) : string
         }
 
         return $wheres->reduce(function ($carry, $where) {
-            if ($where['type'] === 'Nested') {
+            if (in_array($where['type'], ['Exists', 'Nested'])) {
                 return $this->getWhereClauses($where['query']->wheres);
             }
 
+            if ($where['type'] === 'Column') {
+                return "{$where['boolean']}_{$where['first']}_{$where['operator']}_{$where['second']}";
+            }
+
             $value = array_get($where, 'value');
 
             if (in_array($where['type'], ['In', 'Null', 'NotNull'])) {
@@ -98,6 +102,7 @@ protected function getWhereClauses(array $wheres = []) : string
         }) ?: '';
     }
 
+
     protected function getWithModels() : string
     {
         $eagerLoads = collect($this->eagerLoad);

tests/Unit/CachedBuilderTest.php

@@ -466,6 +466,19 @@ public function testLazyLoadingOnResourceIsCached()
 
     public function testNestedRelationshipWhereClauseParsing()
     {
+        // -> with('modelA.modelB')
+        $this->markTestIncomplete();
+    }
+
+    public function testExistsRelationshipWhereClauseParsing()
+    {
+        // ->whereHas(...)
+        $this->markTestIncomplete();
+    }
+
+    public function testColumnsRelationshipWhereClauseParsing()
+    {
+        // ???
         $this->markTestIncomplete();
     }
 }