diff core/modules/taxonomy/src/TermStorageSchema.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/taxonomy/src/TermStorageSchema.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,139 @@
+<?php
+
+namespace Drupal\taxonomy;
+
+use Drupal\Core\Entity\ContentEntityTypeInterface;
+use Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema;
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+
+/**
+ * Defines the term schema handler.
+ */
+class TermStorageSchema extends SqlContentEntityStorageSchema {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getEntitySchema(ContentEntityTypeInterface $entity_type, $reset = FALSE) {
+    $schema = parent::getEntitySchema($entity_type, $reset = FALSE);
+
+    $schema['taxonomy_term_field_data']['indexes'] += [
+      'taxonomy_term__tree' => ['vid', 'weight', 'name'],
+      'taxonomy_term__vid_name' => ['vid', 'name'],
+    ];
+
+    $schema['taxonomy_term_hierarchy'] = [
+      'description' => 'Stores the hierarchical relationship between terms.',
+      'fields' => [
+        'tid' => [
+          'type' => 'int',
+          'unsigned' => TRUE,
+          'not null' => TRUE,
+          'default' => 0,
+          'description' => 'Primary Key: The {taxonomy_term_data}.tid of the term.',
+        ],
+        'parent' => [
+          'type' => 'int',
+          'unsigned' => TRUE,
+          'not null' => TRUE,
+          'default' => 0,
+          'description' => "Primary Key: The {taxonomy_term_data}.tid of the term's parent. 0 indicates no parent.",
+        ],
+      ],
+      'indexes' => [
+        'parent' => ['parent'],
+      ],
+      'foreign keys' => [
+        'taxonomy_term_data' => [
+          'table' => 'taxonomy_term_data',
+          'columns' => ['tid' => 'tid'],
+        ],
+      ],
+      'primary key' => ['tid', 'parent'],
+    ];
+
+    $schema['taxonomy_index'] = [
+      'description' => 'Maintains denormalized information about node/term relationships.',
+      'fields' => [
+        'nid' => [
+          'description' => 'The {node}.nid this record tracks.',
+          'type' => 'int',
+          'unsigned' => TRUE,
+          'not null' => TRUE,
+          'default' => 0,
+        ],
+        'tid' => [
+          'description' => 'The term ID.',
+          'type' => 'int',
+          'unsigned' => TRUE,
+          'not null' => TRUE,
+          'default' => 0,
+        ],
+        'status' => [
+          'description' => 'Boolean indicating whether the node is published (visible to non-administrators).',
+          'type' => 'int',
+          'not null' => TRUE,
+          'default' => 1,
+        ],
+        'sticky' => [
+          'description' => 'Boolean indicating whether the node is sticky.',
+          'type' => 'int',
+          'not null' => FALSE,
+          'default' => 0,
+          'size' => 'tiny',
+        ],
+        'created' => [
+          'description' => 'The Unix timestamp when the node was created.',
+          'type' => 'int',
+          'not null' => TRUE,
+          'default' => 0,
+        ],
+      ],
+      'primary key' => ['nid', 'tid'],
+      'indexes' => [
+        'term_node' => ['tid', 'status', 'sticky', 'created'],
+      ],
+      'foreign keys' => [
+        'tracked_node' => [
+          'table' => 'node',
+          'columns' => ['nid' => 'nid'],
+        ],
+        'term' => [
+          'table' => 'taxonomy_term_data',
+          'columns' => ['tid' => 'tid'],
+        ],
+      ],
+    ];
+
+    return $schema;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getSharedTableFieldSchema(FieldStorageDefinitionInterface $storage_definition, $table_name, array $column_mapping) {
+    $schema = parent::getSharedTableFieldSchema($storage_definition, $table_name, $column_mapping);
+    $field_name = $storage_definition->getName();
+
+    if ($table_name == 'taxonomy_term_field_data') {
+      // Remove unneeded indexes.
+      unset($schema['indexes']['taxonomy_term_field__vid__target_id']);
+      unset($schema['indexes']['taxonomy_term_field__description__format']);
+
+      switch ($field_name) {
+        case 'weight':
+          // Improves the performance of the taxonomy_term__tree index defined
+          // in getEntitySchema().
+          $schema['fields'][$field_name]['not null'] = TRUE;
+          break;
+
+        case 'name':
+          $this->addSharedTableFieldIndex($storage_definition, $schema, TRUE);
+          break;
+      }
+    }
+
+    return $schema;
+  }
+
+}