"errors"
	"fmt"
	"strings"
)

// Query analysis - The query is analyzed to determine if it involves
// aggregation.
//
// Aggregation functions - An expression that involves aggregation of
// rows in some manner. Requires all input rows to be processed,
// before a result is returned.
//
// Row function - An expression that depends on a value in the
// row. They have an output for each input row.
//

	return c, nil
}

// Request KES keep an up-to-date copy of the KMS master key to allow minio to start up even if KMS is down. The
// cached key may still be evicted if the period of this function is longer than that of KES .cache.expiry.unused
func (c *kesClient) refreshKMSMasterKeyCache(logger Logger) {
	ctx := context.Background()

	defaultCacheDuration := 10 * time.Second

	load := func(name string, timeout time.Duration) (bool, error) {
		// Abandon if more than time.Minute, so we don't hold up scanner.
		// drive timeout by default is 2 minutes, we do not need to wait longer.
		ctx, cancel := context.WithTimeout(ctx, timeout)
		defer cancel()

		r, err := store.GetObjectNInfo(ctx, minioMetaBucket, pathJoin(bucketMetaPrefix, name), nil, http.Header{}, ObjectOptions{NoLock: true})

	// The above implementation would incorrectly consider
	// such an ETag (with a nonce value containing a '-')
	// as non-encrypted.

	return len(e) >= 32 // We consider all ETags longer than 32 bytes as encrypted
}

// IsMultipart reports whether the ETag belongs to an
// object that has been uploaded using the S3 multipart
// API.
// An S3 multipart ETag has a -<part-number> suffix.

	if !strings.Contains(f, "(") {
		return f
	}
	return spaceParensRx.ReplaceAllString(f, "")
}

// portRemoved reports whether the given port-specific API feature is
// okay to no longer exist because its port was removed.
func portRemoved(feature string) bool {
	return strings.Contains(feature, "(darwin-386)") ||
		strings.Contains(feature, "(darwin-386-cgo)")
}

	Size  int64  // Logical file size in bytes
	Mode  int64  // Permission and mode bits
	Uid   int    // User ID of owner
	Gid   int    // Group ID of owner
	Uname string // User name of owner
	Gname string // Group name of owner

	// If the Format is unspecified, then Writer.WriteHeader rounds ModTime
	// to the nearest second and ignores the AccessTime and ChangeTime fields.
	//

			}
		}
	}

	return result, nil
}

// checkAbandonedParts will check if an object has abandoned parts,
// meaning data-dirs or inlined data that are no longer referenced by the xl.meta
// Errors are generally ignored by this function.
func (er *erasureObjects) checkAbandonedParts(ctx context.Context, bucket string, object string, opts madmin.HealOpts) (err error) {

	err = s.adm.SetUser(ctx, accessKey, newSecretKey, madmin.AccountEnabled)
	if err != nil {
		c.Fatalf("Unable to update user's secret key: %v", err)
	}
	// 3.10.1 Check that old password no longer works.
	err = client.MakeBucket(ctx, getRandomBucketName(), minio.MakeBucketOptions{})
	if err == nil {
		c.Fatalf("user was unexpectedly able to create bucket with bad password!")
	}

		}
		// CopyObject optimization where we don't create an entire copy
		// of the content, instead we add a reference, we disallow legacy
		// objects to be self referenced in this manner so make sure
		// that we actually create a new dataDir for legacy objects.
		if dstOpts.Versioned && srcOpts.VersionID != dstOpts.VersionID && !srcInfo.Legacy {
			srcInfo.versionOnly = true

	defer globalScannerMetrics.setCycle(nil)

	for {
		select {
		case <-ctx.Done():
			return
		case <-scannerTimer.C:
			// Reset the timer for next cycle.
			// If scanner takes longer we start at once.
			scannerTimer.Reset(scannerCycle.Load())

			stopFn := globalScannerMetrics.log(scannerMetricScanCycle)
			cycleInfo.current = cycleInfo.next
			cycleInfo.started = time.Now()