public Schema::tableExists($table)
Check if a table exists.
Parameters
$table: The name of the table in drupal (no prefixing).
Return value
TRUE if the given table exists, otherwise FALSE.
File
- core/lib/Drupal/Core/Database/Schema.php, line 163
Class
- Schema
- Provides a base implementation for Database Schema.
Namespace
Drupal\Core\Database
Code
1 2 3 4 5 6 7 8 9 10 | public function tableExists($table) { $condition = $this->buildTableNameCondition($table); $condition->compile($this->connection, $this); // Normally, we would heartily discourage the use of string // concatenation for conditionals like this however, we // couldn't use db_select() here because it would prefix // information_schema.tables and the query would fail. // Don't use {} around information_schema.tables table. return (bool) $this->connection->query("SELECT 1 FROM information_schema.tables WHERE " . (string) $condition, $condition->arguments())->fetchField();} |
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