public Schema::indexExists($table, $name)
Checks if an index exists in the given table.
Parameters
$table: The name of the table in drupal (no prefixing).
$name: The name of the index in drupal (no prefixing).
Return value
TRUE if the given index exists, otherwise FALSE.
Overrides Schema::indexExists
File
- core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php, line 580
Class
- Schema
- PostgreSQL implementation of \Drupal\Core\Database\Schema.
Namespace
Drupal\Core\Database\Driver\pgsql
Code
public function indexExists($table, $name) {
// Details http://www.postgresql.org/docs/9.1/interactive/view-pg-indexes.html
$index_name = $this->ensureIdentifiersLength($table, $name, 'idx');
// Remove leading and trailing quotes because the index name is in a WHERE
// clause and not used as an identifier.
$index_name = str_replace('"', '', $index_name);
return (bool) $this->connection->query("SELECT 1 FROM pg_indexes WHERE indexname = '$index_name'")->fetchField();
}
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