protected DatabaseCacheTagsChecksum::ensureTableExists()
Check if the cache tags table exists and create it if not.
File
- core/lib/Drupal/Core/Cache/DatabaseCacheTagsChecksum.php, line 144
Class
- DatabaseCacheTagsChecksum
- Cache tags invalidations checksum implementation that uses the database.
Namespace
Drupal\Core\Cache
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | protected function ensureTableExists() { try { $database_schema = $this->connection->schema(); // Create the cache tags table if it does not exist. if (!$database_schema->tableExists('cachetags')) { $schema_definition = $this->schemaDefinition(); $database_schema->createTable('cachetags', $schema_definition); return TRUE; } } // If another process has already created the cachetags table, attempting to // recreate it will throw an exception. In this case just catch the // exception and do nothing. catch (SchemaObjectExistsException $e) { return TRUE; } return FALSE;} |
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