Harshavardhana <******@****.***> 1622584780 -0700

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package parquet

import "encoding/xml"

// ReaderArgs - represents elements inside <InputSerialization><Parquet/> in request XML.
type ReaderArgs struct {
	unmarshaled bool
}

// IsEmpty - returns whether reader args is empty or not.
func (args *ReaderArgs) IsEmpty() bool {

package parquet

import (
	"errors"
	"io"
	"time"

	"github.com/bcicen/jstream"
	parquetgo "github.com/fraugster/parquet-go"
	parquettypes "github.com/fraugster/parquet-go/parquet"
	jsonfmt "github.com/minio/minio/internal/s3select/json"
	"github.com/minio/minio/internal/s3select/sql"
)

// Reader implements reading records from parquet input.
type Reader struct {
	io.Closer

Harshavardhana <******@****.***> 1622584780 -0700

(*) Parquet is disabled on the MinIO server by default. See below how to enable it.

## Enabling Parquet Format

Parquet is DISABLED by default since hostile crafted input can easily crash the server.

If you are in a controlled environment where it is safe to assume no hostile content can be uploaded to your cluster you can safely enable Parquet.

		statusCode: 400,
		cause:      err,
	}
}

func errInvalidDataSource(err error) *s3Error {
	return &s3Error{
		code:       "InvalidDataSource",
		message:    "Invalid data source type. Only CSV, JSON, and Parquet are supported.",
		statusCode: 400,
		cause:      err,
	}
}

func errInvalidRequestParameter(err error) *s3Error {
	return &s3Error{
		code:       "InvalidRequestParameter",

// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package parquet

type s3Error struct {
	code       string
	message    string
	statusCode int
	cause      error
}

func (err *s3Error) Cause() error {
	return err.cause
}

	SelectFmtUnknown SelectObjectFormat = iota
	// SelectFmtCSV - CSV format
	SelectFmtCSV
	// SelectFmtJSON - JSON format
	SelectFmtJSON
	// SelectFmtSIMDJSON - SIMD JSON format
	SelectFmtSIMDJSON
	// SelectFmtParquet - Parquet format
	SelectFmtParquet
)

// WriteCSVOpts - encapsulates options for Select CSV output
type WriteCSVOpts struct {
	FieldDelimiter rune
	Quote          rune
	QuoteEscape    rune
	AlwaysQuote    bool
}

<img src="/img/python-types/image02.png">

Com isso, você pode rolar, vendo as opções, até encontrar o que "toca uma campainha":

<img src="/img/python-types/image03.png">

## Mais motivação

Marque esta função, ela já possui type hints:

```Python hl_lines="1"
{!../../../docs_src/python_types/tutorial003.py!}
```