73 lines
2 KiB
PHP
73 lines
2 KiB
PHP
<?php
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namespace Drupal\comment;
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use Drupal\Core\Entity\ContentEntityTypeInterface;
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use Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema;
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use Drupal\Core\Field\FieldStorageDefinitionInterface;
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/**
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* Defines the comment schema handler.
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*/
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class CommentStorageSchema extends SqlContentEntityStorageSchema {
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/**
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* {@inheritdoc}
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*/
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protected function getEntitySchema(ContentEntityTypeInterface $entity_type, $reset = FALSE) {
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$schema = parent::getEntitySchema($entity_type, $reset);
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$schema['comment_field_data']['indexes'] += array(
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'comment__status_pid' => array('pid', 'status'),
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'comment__num_new' => array(
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'entity_id',
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'entity_type',
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'comment_type',
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'status',
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'created',
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'cid',
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'thread',
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),
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'comment__entity_langcode' => array(
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'entity_id',
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'entity_type',
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'comment_type',
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'default_langcode',
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),
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);
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return $schema;
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}
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/**
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* {@inheritdoc}
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*/
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protected function getSharedTableFieldSchema(FieldStorageDefinitionInterface $storage_definition, $table_name, array $column_mapping) {
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$schema = parent::getSharedTableFieldSchema($storage_definition, $table_name, $column_mapping);
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$field_name = $storage_definition->getName();
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if ($table_name == 'comment_field_data') {
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// Remove unneeded indexes.
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unset($schema['indexes']['comment_field__pid__target_id']);
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unset($schema['indexes']['comment_field__entity_id__target_id']);
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switch ($field_name) {
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case 'thread':
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// Improves the performance of the comment__num_new index defined
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// in getEntitySchema().
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$schema['fields'][$field_name]['not null'] = TRUE;
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break;
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case 'created':
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$this->addSharedTableFieldIndex($storage_definition, $schema, TRUE);
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break;
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case 'uid':
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$this->addSharedTableFieldForeignKey($storage_definition, $schema, 'users', 'uid');
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}
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}
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return $schema;
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}
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}
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