/**
* Remove the index prefix length information from columns in an index definition.
* Partial indexes based on a prefix are not supported by all databases.
*
* @param string $indexSQL
* @return string
*/
public function getEquivalentIndexDefinition($indexSQL)
{
if ($this->dbmsSpecifics->specificExists(Specifics\AbstractSpecifics::PARTIAL_STRING_INDEX) && (bool) $this->dbmsSpecifics->getSpecific(Specifics\AbstractSpecifics::PARTIAL_STRING_INDEX)) {
return $indexSQL;
}
$strippedIndexSQL = preg_replace_callback('/\\A([^(]+)\\((.*)\\)\\Z/', function ($matches) {
return $matches[1] . '(' . preg_replace('/\\((\\d+)\\)/', '', $matches[2]) . ')';
}, $indexSQL);
return $strippedIndexSQL === null ? $indexSQL : $strippedIndexSQL;
}
/**
* Quotes field names in a SQL WHERE clause according to DB rules
*
* @param array $where_clause The parsed WHERE clause to quote
* @return array
* @see quoteWhereClause()
*/
protected function _quoteWhereClause(array $where_clause)
{
foreach ($where_clause as $k => $v) {
// Look for sublevel:
if (is_array($where_clause[$k]['sub'])) {
$where_clause[$k]['sub'] = $this->_quoteWhereClause($where_clause[$k]['sub']);
} elseif (isset($v['func'])) {
switch ($where_clause[$k]['func']['type']) {
case 'EXISTS':
$where_clause[$k]['func']['subquery'] = $this->quoteSELECTsubquery($v['func']['subquery']);
break;
case 'FIND_IN_SET':
// quoteStr that will be used for Oracle
$pattern = str_replace($where_clause[$k]['func']['str'][1], '\\' . $where_clause[$k]['func']['str'][1], $where_clause[$k]['func']['str'][0]);
// table is not really needed and may in fact be empty in real statements
// but it's not overridden from \TYPO3\CMS\Core\Database\DatabaseConnection at the moment...
$patternForLike = $this->escapeStrForLike($pattern, $where_clause[$k]['func']['table']);
$where_clause[$k]['func']['str_like'] = $patternForLike;
if ($where_clause[$k]['func']['table'] !== '') {
$where_clause[$k]['func']['table'] = $this->quoteName($v['func']['table']);
}
if ($where_clause[$k]['func']['field'] !== '') {
if (!empty($this->dbmsSpecifics) && $this->dbmsSpecifics->getSpecific(Specifics\AbstractSpecifics::CAST_FIND_IN_SET)) {
$where_clause[$k]['func']['field'] = 'CAST(' . $this->quoteName($v['func']['field']) . ' AS CHAR)';
} else {
$where_clause[$k]['func']['field'] = $this->quoteName($v['func']['field']);
}
}
break;
case 'IFNULL':
// Intentional fallthrough
// Intentional fallthrough
case 'LOCATE':
if ($where_clause[$k]['func']['table'] != '') {
$where_clause[$k]['func']['table'] = $this->quoteName($v['func']['table']);
}
if ($where_clause[$k]['func']['field'] != '') {
$where_clause[$k]['func']['field'] = $this->quoteName($v['func']['field']);
}
break;
}
} else {
if ($where_clause[$k]['table'] != '') {
$where_clause[$k]['table'] = $this->quoteName($where_clause[$k]['table']);
}
if (!is_numeric($where_clause[$k]['field'])) {
$where_clause[$k]['field'] = $this->quoteName($where_clause[$k]['field']);
}
if (isset($where_clause[$k]['calc_table'])) {
if ($where_clause[$k]['calc_table'] != '') {
$where_clause[$k]['calc_table'] = $this->quoteName($where_clause[$k]['calc_table']);
}
if ($where_clause[$k]['calc_field'] != '') {
$where_clause[$k]['calc_field'] = $this->quoteName($where_clause[$k]['calc_field']);
}
}
}
if ($where_clause[$k]['comparator']) {
if (isset($v['value']['operator'])) {
foreach ($where_clause[$k]['value']['args'] as $argK => $fieldDef) {
$where_clause[$k]['value']['args'][$argK]['table'] = $this->quoteName($fieldDef['table']);
$where_clause[$k]['value']['args'][$argK]['field'] = $this->quoteName($fieldDef['field']);
}
} else {
// Detecting value type; list or plain:
if (GeneralUtility::inList('NOTIN,IN', strtoupper(str_replace(array(' ', LF, CR, TAB), '', $where_clause[$k]['comparator'])))) {
if (isset($v['subquery'])) {
$where_clause[$k]['subquery'] = $this->quoteSELECTsubquery($v['subquery']);
}
} else {
if ((!isset($where_clause[$k]['value'][1]) || $where_clause[$k]['value'][1] == '') && is_string($where_clause[$k]['value'][0]) && strstr($where_clause[$k]['value'][0], '.')) {
$where_clause[$k]['value'][0] = $this->quoteFieldNames($where_clause[$k]['value'][0]);
} elseif ($this->runningADOdbDriver('mssql')) {
$where_clause[$k]['value'][0] = substr($this->handlerInstance[$this->lastHandlerKey]->qstr($where_clause[$k]['value'][0]), 1, -1);
}
}
}
}
}
return $where_clause;
}