break
		}

		var latest xlMetaV2ShallowVersion
		if consistent {
			// All had the same signature, easy.
			latest = tops[0]
			merged = append(merged, latest)

			// Calculate latest 'n' non-free versions.
			if !latest.header.FreeVersion() {
				nVersions++
			}
		} else {
			// Find latest.
			var latestCount int
			for i, ver := range tops {

		if versionID == "" {
			versionID = mustGetUUID()
			fi.IsLatest = true // we are creating a new version so this is latest.
		}
	}

	modTime = UTCNow() // We only preserve modTime if dstOpts.MTime is true.
	// in all other cases mtime is latest.

	fi.VersionID = versionID // set any new versionID we might have created
	fi.ModTime = modTime     // set modTime for the new versionID

            }

            if (equals("LATEST", parent.getVersion()) || equals("RELEASE", parent.getVersion())) {
                addViolation(
                        problems,
                        Severity.WARNING,
                        Version.BASE,
                        "parent.version",
                        null,
                        "is either LATEST or RELEASE (both of them are being deprecated)",

Bucket events can be published to the following targets:

| Supported Notification Targets    |                             |                                 |

			poolObjInfos[i] = pinfo
		}(i, pool, poolOpts[i])
	}
	wg.Wait()

	// Sort the objInfos such that we always serve latest
	// this is a defensive change to handle any duplicate
	// content that may have been created, we always serve
	// the latest object.
	sort.Slice(poolObjInfos, func(i, j int) bool {
		mtime1 := poolObjInfos[i].ObjInfo.ModTime
		mtime2 := poolObjInfos[j].ObjInfo.ModTime

	// Content-Md5 is required should be set
	// http://docs.aws.amazon.com/AmazonS3/latest/API/multiobjectdeleteapi.html
	if !validateLengthAndChecksum(r) {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMissingContentMD5), r.URL)
		return
	}

	// Content-Length is required and should be non-zero
	// http://docs.aws.amazon.com/AmazonS3/latest/API/multiobjectdeleteapi.html
	if r.ContentLength <= 0 {

			isDelMarker:     true,
			hasManyVersions: true,
			expectedAction:  NoneAction,
		},
		// Should delete all versions of this object since the latest version has past the expiry days criteria
		{

	if err != nil {
		s.writeErrorResponse(w, err)
		return
	}

	if lrTime.Sub(currentReleaseTime) <= 0 {
		s.writeErrorResponse(w, fmt.Errorf("server is running the latest version: %s", Version))
		return
	}

	zr, err := zstd.NewReader(r.Body)
	if err != nil {
		s.writeErrorResponse(w, err)
		return
	}
	defer zr.Close()

			name:       "date_diff_month_neg",
			query:      `SELECT date_diff(MONTH, '2020-01-20T', '2019-10-20T') FROM S3Object LIMIT 1`,
			wantResult: `{"_1":-3}`,
		},
		// Examples from https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-glacier-select-sql-reference-date.html#s3-glacier-select-sql-reference-date-diff
		{
			name:       "date_diff_year",
			query:      `SELECT date_diff(year, '2010-01-01T', '2011-01-01T') FROM S3Object LIMIT 1`,

}

// APIErrorCode type of error status.
type APIErrorCode int

//go:generate stringer -type=APIErrorCode -trimprefix=Err $GOFILE

// Error codes, non exhaustive list - http://docs.aws.amazon.com/AmazonS3/latest/API/ErrorResponses.html
const (
	ErrNone APIErrorCode = iota
	ErrAccessDenied
	ErrBadDigest
	ErrEntityTooSmall
	ErrEntityTooLarge
	ErrPolicyTooLarge
	ErrIncompleteBody
	ErrInternalError