BUGFIX: Do not add non existing db columns to fields array

As TCA might contain columns which do not exist in DB, filter them out.

Classes/Domain/Index/TcaIndexer/TcaTableService.php

@@ -181,7 +181,10 @@ class TcaTableService
             array_filter(
                 array_keys($this->tca['columns']),
                 function ($columnName) {
-                    return !$this->isSystemField($columnName);
+                    return !$this->isSystemField($columnName)
+                        && !$this->isUserField($columnName)
+                        && !$this->isPassthroughField($columnName)
+                        ;
                 }
             )
         );
@@ -249,6 +252,18 @@ class TcaTableService
         return in_array($columnName, $systemFields);
     }
 
+    protected function isUserField(string $columnName) : bool
+    {
+        $config = $this->getColumnConfig($columnName);
+        return isset($config['type']) && $config['type'] === 'user';
+    }
+
+    protected function isPassthroughField(string $columnName) : bool
+    {
+        $config = $this->getColumnConfig($columnName);
+        return isset($config['type']) && $config['type'] === 'passthrough';
+    }
+
     /**
      * @param string $columnName
      * @return array

Tests/Functional/Hooks/DataHandler/ProcessesAllowedTablesTest.php

@@ -100,7 +100,7 @@ class ProcessesAllowedTablesTest extends AbstractDataHandlerTest
             ->with(
                 $this->equalTo('tt_content'),
                 $this->callback(function ($record) {
-                    return isset($record['uid']) && $record['uid'] === '2'
+                    return isset($record['uid']) && $record['uid'] === 2
                         && isset($record['pid']) && $record['pid'] === 1
                         && isset($record['header']) && $record['header'] === 'a new record'
                         ;

Tests/Unit/Domain/Index/TcaIndexer/TcaTableServiceTest.php

@@ -21,6 +21,7 @@ namespace Codappix\SearchCore\Tests\Unit\Domain\Index\TcaIndexer;
  */
 
 use Codappix\SearchCore\Configuration\ConfigurationContainerInterface;
+use Codappix\SearchCore\Domain\Index\TcaIndexer\RelationResolver;
 use Codappix\SearchCore\Domain\Index\TcaIndexer\TcaTableService;
 use Codappix\SearchCore\Tests\Unit\AbstractUnitTestCase;
 
@@ -98,4 +99,52 @@ class TcaTableServiceTest extends AbstractUnitTestCase
             $whereClause->getParameters()
         );
     }
+
+    /**
+     * @test
+     */
+    public function allConfiguredAndAllowedTcaColumnsAreReturnedAsFields()
+    {
+        $GLOBALS['TCA']['test_table'] = [
+            'ctrl' => [
+                'languageField' => 'sys_language',
+            ],
+            'columns' => [
+                'sys_language' => [],
+                't3ver_oid' => [],
+                'available_column' => [
+                    'config' => [
+                        'type' => 'input',
+                    ],
+                ],
+                'user_column' => [
+                    'config' => [
+                        'type' => 'user',
+                    ],
+                ],
+                'passthrough_column' => [
+                    'config' => [
+                        'type' => 'passthrough',
+                    ],
+                ],
+            ],
+        ];
+        $subject = new TcaTableService(
+            'test_table',
+            $this->getMockBuilder(RelationResolver::class)->getMock(),
+            $this->configuration
+        );
+        $this->inject($subject, 'logger', $this->getMockedLogger());
+
+        $this->assertSame(
+            [
+                'test_table.uid',
+                'test_table.pid',
+                'test_table.available_column',
+            ],
+            $subject->getFields(),
+            ''
+        );
+        unset($GLOBALS['TCA']['test_table']);
+    }
 }