"github.com/minio/minio/internal/s3select/sql"
)

// Reader implements reading records from parquet input.
type Reader struct {
	io.Closer
	r *parquetgo.FileReader
}

// NewParquetReader creates a Reader2 from a io.ReadSeekCloser.
func NewParquetReader(rsc io.ReadSeekCloser, _ *ReaderArgs) (r *Reader, err error) {
	fr, err := parquetgo.NewFileReader(rsc)
	if err != nil {

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"os"
)

// RenameSys is low level call in case of non-Linux this just uses os.Rename()
func RenameSys(src, dst string) (err error) {
	return os.Rename(src, dst)

	}
}

// Tests hash reader checksum verification.
func TestHashReaderVerification(t *testing.T) {
	testCases := []struct {
		desc              string
		src               io.Reader
		size              int64
		actualSize        int64
		md5hex, sha256hex string
		err               error
	}{
		0: {

	if fi, err = f.Stat(); err != nil {
		return err
	}
	f.Close() // close before rename()

	// Skip renaming active journal if empty.
	if fi.Size() == tierJournalHdrLen {
		return os.Remove(jd.JournalPath())
	}

	jPath := jd.JournalPath()
	jroPath := jd.ReadOnlyPath()
	// Rotate active journal to perform pending deletes.
	return os.Rename(jPath, jroPath)
}

		return rsc.offset, errors.New("seek past end of object")
	}
	if rsc.reader != nil {
		_ = rsc.reader.Close()
		rsc.reader = nil
	}
	return rsc.offset, nil
}

// Read call to implement io.Reader
func (rsc *ObjectReadSeekCloser) Read(p []byte) (n int, err error) {
	if rsc.reader == nil {
		rsc.reader, err = rsc.segmentReader(rsc.offset)
		if err != nil {
			return 0, err
		}
	}

Klaus Post <******@****.***> 1663610716 +0200

		// Make sure to return object info to provide extra information.
		return objInfo, wquorum, toObjectErr(errMethodNotAllowed, bucket, object)
	}

	return objInfo, wquorum, nil
}

// Similar to rename but renames data from srcEntry to dstEntry at dataDir
func renameData(ctx context.Context, disks []StorageAPI, srcBucket, srcEntry string, metadata []FileInfo, dstBucket, dstEntry string, writeQuorum int) ([]StorageAPI, []byte, string, error) {

func MkdirAll(dirPath string, mode os.FileMode, baseDir string) (err error) {
	defer updateOSMetrics(osMetricMkdirAll, dirPath)(err)
	return osMkdirAll(dirPath, mode, baseDir)
}

// Rename captures time taken to call os.Rename
func Rename(src, dst string) (err error) {
	defer updateOSMetrics(osMetricRename, src, dst)(err)
	return RenameSys(src, dst)
}

// OpenFile captures time taken to call os.OpenFile

		plSize += len(key) + len(value) + msgp.StringPrefixSize + msgp.ArrayHeaderSize
	}

	// Reserialize...
	x.serialize(plSize, keys, vals)
}

// rename will rename a key.
// Returns whether the key was found.
func (x *xlMetaInlineData) rename(oldKey, newKey string) bool {
	in := x.afterVersion()
	sz, buf, _ := msgp.ReadMapHeaderBytes(in)
	keys := make([][]byte, 0, sz)
	vals := make([][]byte, 0, sz)

// disconnectReader will ensure that no reads can take place on
// the upstream reader after close has been called.
type disconnectReader struct {
	r  io.Reader
	mu sync.Mutex
}

func (d *disconnectReader) Read(p []byte) (n int, err error) {
	d.mu.Lock()
	defer d.mu.Unlock()
	if d.r != nil {
		return d.r.Read(p)
	}
	return 0, errors.New("reader closed")
}

func (d *disconnectReader) Close() error {