protected function tableInfo($tableName, $buffered = false)
{
if ($buffered !== true and array_key_exists($tableName, $this->tableInfo) or !array_key_exists($tableName, $this->tableInfo)) {
$result = data::query("PRAGMA table_info('" . $tableName . "')");
$sqliteDriver = $this;
data::forEachRow($result, function ($r) use($sqliteDriver, $tableName) {
$sqliteDriver->tableInfo[$tableName][$r->name] = $r;
});
}
}