Fix table name usage in clauses

src/Entries/EntryQueryBuilder.php

@@ -33,6 +33,9 @@ protected function column($column)
             return $column;
         }
 
+        $table = Str::contains($column, '.') ? Str::before($column, '.') : '';
+        $column = Str::after($column, '.');
+
         if ($column == 'origin') {
             $column = 'origin_id';
         }
@@ -43,7 +46,7 @@ protected function column($column)
             }
         }
 
-        return $column;
+        return ($table ? $table.'.' : '').$column;
     }
 
     public function find($id, $columns = ['*'])

tests/Data/Entries/EntryQueryBuilderTest.php

@@ -688,4 +688,42 @@ public function entries_are_found_using_offset()
         $this->assertCount(2, $entries);
         $this->assertEquals(['Post 2', 'Post 3'], $entries->map->title->all());
     }
+
+    /** @test */
+    public function entries_can_be_retrieved_on_join_table_conditions()
+    {
+        Collection::make('posts')->save();
+        EntryFactory::id('1')->slug('post-1')->collection('posts')->data(['title' => 'Post 1', 'author' => 'John Doe', 'location' => 4])->create();
+        EntryFactory::id('2')->slug('post-2')->collection('posts')->data(['title' => 'Post 2', 'author' => 'John Doe'])->create();
+        EntryFactory::id('3')->slug('post-3')->collection('posts')->data(['title' => 'Post 3', 'author' => 'John Doe', 'location' => 4])->create();
+        Collection::make('locations')->save();
+
+        $locations = [
+            4 => ['slug' => 'shaldon', 'title' => 'Shaldon'],
+            5 => ['slug' => 'cambridge', 'title' => 'Cambridge'],
+            6 => ['slug' => 'london', 'title' => 'London'],
+        ];
+
+        foreach (range(4, 6) as $index) {
+            EntryFactory::id($index)->slug($locations[$index]['slug'])->collection('locations')
+            ->data(['title' => $locations[$index]['title']])->create();
+        }
+
+        $query = Entry::query()
+            ->join('entries as e', fn ($join) => $join
+                ->whereColumn('e.id', 'entries.id')
+                ->where('e.collection', 'posts')
+            )->leftJoin('entries as locations', function ($join) {
+                $join
+                    ->where('locations.collection', 'locations')
+                    ->on('locations.id', 'e.data->location');
+            })
+            ->where('e.data->title', 'like', '%post%')
+            ->where('locations.slug', 'shaldon');
+
+        $entries = $query->get();
+
+        // successfully retrieved 2 results
+        $this->assertCount(2, $entries);
+    }
 }