function DatabaseConnection_mysql::setPrefix
}
Overrides DatabaseConnection::setPrefix
File
-
includes/
database/ mysql/ database.inc, line 390
Class
Code
protected function setPrefix($prefix) {
parent::setPrefix($prefix);
// Successive versions of MySQL have become increasingly strict about the
// use of reserved keywords as table names. Drupal 7 uses at least one such
// table (system). Therefore we surround all table names with quotes.
$quote_char = variable_get('mysql_identifier_quote_character', MYSQL_IDENTIFIER_QUOTE_CHARACTER_DEFAULT);
foreach ($this->prefixSearch as $i => $prefixSearch) {
if (substr($prefixSearch, 0, 1) === '{') {
// If the prefix already contains one or more quotes remove them.
// This can happen when - for example - DrupalUnitTestCase sets up a
// "temporary prefixed database". Also if there's a dot in the prefix,
// wrap it in quotes to cater for schema names in prefixes.
$search = array(
$quote_char,
'.',
);
$replace = array(
'',
$quote_char . '.' . $quote_char,
);
$this->prefixReplace[$i] = $quote_char . str_replace($search, $replace, $this->prefixReplace[$i]);
}
if (substr($prefixSearch, -1) === '}') {
$this->prefixReplace[$i] .= $quote_char;
}
}
}
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