private function Connection::quoteIdentifier in Drupal 8

Quotes an identifier if it matches a MySQL reserved keyword.

Parameters

string $identifier: The field to check.

Return value

string The identifier, quoted if it matches a MySQL reserved keyword.

2 calls to Connection::quoteIdentifier()

Connection::escapeAlias in core/lib/Drupal/Core/Database/Driver/mysql/Connection.php

Escapes an alias name string.

Connection::escapeField in core/lib/Drupal/Core/Database/Driver/mysql/Connection.php

Escapes a field name string.

File

core/lib/Drupal/Core/Database/Driver/mysql/Connection.php, line 497

Class

Connection

MySQL implementation of \Drupal\Core\Database\Connection.

Namespace

Drupal\Core\Database\Driver\mysql

Code

private function quoteIdentifier($identifier) {

  // Quote identifiers so that MySQL reserved words like 'function' can be
  // used as column names. Sometimes the 'table.column_name' format is passed
  // in. For example,
  // \Drupal\Core\Entity\Sql\SqlContentEntityStorage::buildQuery() adds a
  // condition on "base.uid" while loading user entities.
  if (strpos($identifier, '.') !== FALSE) {
    list($table, $identifier) = explode('.', $identifier, 2);
  }
  if (in_array(strtolower($identifier), $this->reservedKeyWords, TRUE)) {

    // Quote the string for MySQL reserved keywords.
    $identifier = '"' . $identifier . '"';
  }
  return isset($table) ? $table . '.' . $identifier : $identifier;
}