nullable index configuration #27

Author: nekufa

src/Space.php

@@ -163,12 +163,30 @@ public function createIndex($config): self
         }
 
         foreach ($config['fields'] as $property) {
+            $isNullable = false;
+            if (is_array($property)) {
+                if (!array_key_exists('property', $property)) {
+                    throw new Exception("Invalid property configuration");
+                }
+                if (array_key_exists('is_nullable', $property)) {
+                    $isNullable = $property['is_nullable'];
+                }
+                $property = $property['property'];
+            }
+            if ($this->isPropertyNullable($property) != $isNullable) {
+                $this->setPropertyNullable($property, $isNullable);
+            }
             if (!$this->getPropertyType($property)) {
                 throw new Exception("Unknown property $property", 1);
             }
-            $options['parts'][] = $this->getPropertyIndex($property) + 1;
-            $options['parts'][] = $this->getPropertyType($property);
-            $this->setPropertyNullable($property, false);
+            $part = [
+                'field' => $this->getPropertyIndex($property) + 1,
+                'type' => $this->getPropertyType($property),
+            ];
+            if ($this->isPropertyNullable($property)) {
+                $part['is_nullable'] = true;
+            }
+            $options['parts'][] = $part;
         }
 
         $name = array_key_exists('name', $config) ? $config['name'] : implode('_', $config['fields']);

tests/SchemaTest.php

@@ -7,6 +7,48 @@
 
 class SchemaTest extends TestCase
 {
+    public function testNullableIndexes()
+    {
+        $mapper = $this->createMapper();
+        $this->clean($mapper);
+
+        $space = $mapper->getSchema()->createSpace('example', [
+            'if_not_exists' => true,
+            'engine' => 'memtx',
+            'properties' => [
+                'id' => 'unsigned',
+                'field1' => 'string',
+                'field2' => 'string',
+                'field3' => 'unsigned',
+                'field4' => 'unsigned',
+                'field5' => 'unsigned',
+                'field6' => 'unsigned',
+            ],
+        ])
+        ->setPropertyNullable('field5')
+        ->addIndex([
+            'fields' => 'id',
+            'if_not_exists' => true,
+            'sequence' => true,
+            'name' => 'index_1'
+        ])
+        ->addIndex([
+            'fields' => [
+                'field2',
+                [
+                    'property' => 'field5',
+                    'is_nullable' => true,
+                ],
+            ],
+            'unique' => false,
+            'if_not_exists' => true,
+            'name' => 'index_2',
+        ]);
+
+        $this->assertFalse($space->isPropertyNullable('field2'));
+        $this->assertTrue($space->isPropertyNullable('field5'));
+    }
+
     public function testDynamicIndexCreation()
     {
         $mapper = $this->createMapper();