protected function getTableMetaData()
{
$parentMeta = parent::getTableMetaData();
$tab = new DBTable($this->db, $this->gridQuery . ' LIMIT 1', null, DB::FETCH_ASSOC);
if (!$tab->ok()) {
return false;
}
foreach (array_keys($tab->getRow(0)) as $col) {
if (!isset($this->columnTitles[$col])) {
$this->columnTitles[$col] = $this->convertColumnToTitle($col);
$this->cellAttributes[$col] = [];
}
}
$displayColumns = array_keys($tab->getRow(0));
$columnNames = array_keys($this->columnTitles);
foreach ($columnNames as $columnName) {
if (!in_array($columnName, $displayColumns)) {
unset($this->columnTitles[$columnName]);
unset($this->cellAttributes[$columnName]);
unset($this->displayType[$columnName]);
}
}
return true;
}
