protected function Connection::setPrefix in Drupal 9
Same name and namespace in other branches
- 8 core/lib/Drupal/Core/Database/Connection.php \Drupal\Core\Database\Connection::setPrefix()
Set the list of prefixes used by this database connection.
Parameters
array|string $prefix: Either a single prefix, or an array of prefixes.
3 calls to Connection::setPrefix()
- Connection::queryTemporary in core/
lib/ Drupal/ Core/ Database/ Driver/ sqlite/ Connection.php - Runs a SELECT query and stores its results in a temporary table.
- Connection::__construct in core/
lib/ Drupal/ Core/ Database/ Connection.php - Constructs a Connection object.
- Connection::__construct in core/
lib/ Drupal/ Core/ Database/ Driver/ sqlite/ Connection.php - Constructs a \Drupal\Core\Database\Driver\sqlite\Connection object.
File
- core/
lib/ Drupal/ Core/ Database/ Connection.php, line 446
Class
- Connection
- Base Database API class.
Namespace
Drupal\Core\DatabaseCode
protected function setPrefix($prefix) {
if (is_array($prefix)) {
$this->prefixes = $prefix + [
'default' => '',
];
}
else {
$this->prefixes = [
'default' => $prefix,
];
}
[
$start_quote,
$end_quote,
] = $this->identifierQuotes;
// Set up variables for use in prefixTables(). Replace table-specific
// prefixes first.
$this->prefixSearch = [];
$this->prefixReplace = [];
foreach ($this->prefixes as $key => $val) {
if ($key != 'default') {
$this->prefixSearch[] = '{' . $key . '}';
// $val can point to another database like 'database.users'. In this
// instance we need to quote the identifiers correctly.
$val = str_replace('.', $end_quote . '.' . $start_quote, $val);
$this->prefixReplace[] = $start_quote . $val . $key . $end_quote;
}
}
// Then replace remaining tables with the default prefix.
$this->prefixSearch[] = '{';
// $this->prefixes['default'] can point to another database like
// 'other_db.'. In this instance we need to quote the identifiers correctly.
// For example, "other_db"."PREFIX_table_name".
$this->prefixReplace[] = $start_quote . str_replace('.', $end_quote . '.' . $start_quote, $this->prefixes['default']);
$this->prefixSearch[] = '}';
$this->prefixReplace[] = $end_quote;
// Set up a map of prefixed => un-prefixed tables.
foreach ($this->prefixes as $table_name => $prefix) {
if ($table_name !== 'default') {
$this->unprefixedTablesMap[$prefix . $table_name] = $table_name;
}
}
}