Structure::getBelongsToReference() return value fix

Author: Miloslav Hůla

src/Database/Structure.php

@@ -148,7 +148,9 @@ public function getBelongsToReference(string $table, string $column = null): ?ar
 
 		if ($column) {
 			$column = strtolower($column);
-			return $this->structure['belongsTo'][$table][$column] ?? null;
+			return isset($this->structure['belongsTo'][$table][$column])
+				? [$this->structure['belongsTo'][$table][$column], $column]
+				: null;
 
 		} else {
 			return $this->structure['belongsTo'][$table] ?? [];

tests/Database/Structure.phpt

@@ -173,6 +173,14 @@ class StructureTestCase extends TestCase
 			'tag_id' => 'tags',
 			'book_id' => 'Books',
 		], $this->structure->getBelongsToReference('books_x_tags'));
+
+
+		Assert::same(
+			['Books', 'book_id'],
+			$this->structure->getBelongsToReference('books_x_tags', 'book_id')
+		);
+
+		Assert::null($this->structure->getBelongsToReference('books_x_tags', 'non_exist'));
 	}