if !ok {
			return nil, errNonStringTrimArg
		}
	}

	fromV, ferr := e.TrimFrom.evalNode(r, tableAlias)
	if ferr != nil {
		return nil, ferr
	}
	inferTypeAsString(fromV)
	from, ok := fromV.ToString()
	if !ok {
		return nil, errNonStringTrimArg
	}

	result, terr := evalSQLTrim(e.TrimWhere, chars, from)
	if terr != nil {
		return nil, terr
	}
	return FromString(result), nil
}

package notify

import (
	"fmt"
	"strconv"
	"strings"

	"github.com/minio/minio/internal/config"
	"github.com/minio/minio/internal/event/target"
)

// SetNotifyKafka - helper for config migration from older config.
func SetNotifyKafka(s config.Config, name string, cfg target.KafkaArgs) error {
	if !cfg.Enable {
		return nil
	}

	if err := cfg.Validate(); err != nil {
		return err
	}

	From     *PrimaryTerm `parser:" \"FROM\" @@ \")\" "`
}

// TrimFunc represents TRIM sql function
type TrimFunc struct {
	TrimWhere *string      `parser:" \"TRIM\" \"(\" ( @( \"LEADING\" | \"TRAILING\" | \"BOTH\" ) "`
	TrimChars *PrimaryTerm `parser:"             @@?  "`
	TrimFrom  *PrimaryTerm `parser:"             \"FROM\" )? @@ \")\" "`
}

	}

	return loadBucketMetadata(ctx, objAPI, bucket)
}

// GetConfig returns a specific configuration from the bucket metadata.
// The returned object may not be modified.
// reloaded will be true if metadata refreshed from disk
func (sys *BucketMetadataSys) GetConfig(ctx context.Context, bucket string) (meta BucketMetadata, reloaded bool, err error) {
	objAPI := newObjectLayerFn()

// ContextKeyString is type(string) for contextKey
type ContextKeyString string

// ContextKeyForTargetFromConfig - key for context for target from config
const ContextKeyForTargetFromConfig = ContextKeyString("ContextKeyForTargetFromConfig")

// ParseConfigTargetID - read all targetIDs from reader
func ParseConfigTargetID(r io.Reader) (ids map[string]bool, err error) {
	ids = make(map[string]bool)
	scanner := bufio.NewScanner(r)

func (g *NotificationGroup) WithRetries(retryCount int) *NotificationGroup {
	if g != nil {
		g.retryCount = retryCount
	}
	return g
}

// Wait blocks until all function calls from the Go method have returned, then
// returns the slice of errors from all function calls.
func (g *NotificationGroup) Wait() []NotificationPeerErr {
	g.workers.Wait()
	return g.errs
}

		writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
		return
	}

	if r.Form.Get(stsVersion) != stsAPIVersion {
		writeSTSErrorResponse(ctx, w, ErrSTSMissingParameter, fmt.Errorf("Invalid STS API version %s, expecting %s", r.Form.Get(stsVersion), stsAPIVersion))
		return
	}

	action := r.Form.Get(stsAction)
	switch action {
	case assumeRole:
	default:

	}
	if reducedErr != nil {
		return fi, nil, reducedErr
	}

	// Pick one from the first valid metadata.
	fi, err = pickValidFileInfo(ctx, partsMetadata, modTime, etag, quorum)
	return fi, partsMetadata, err
}

// Removes part.meta given by partName belonging to a multipart upload from minioMetaBucket
func (er erasureObjects) removePartMeta(bucket, object, uploadID, dataDir string, partNumber int) {

	batchLen := batch.Len()
	if batchLen != int(limit) {
		t.Fatalf("expected batch length to be %v but got %v", limit, batchLen)
	}
	keys, items, err := batch.GetAll()
	if err != nil {
		t.Fatalf("unable to get the items from the batch; %v", err)
	}
	if len(items) != int(limit) {
		t.Fatalf("Expected length of the batch items to be %v but got %v", limit, len(items))
	}
	if len(keys) != int(limit) {

// ETag returns the ETag of the underlying Tagger.
func (r wrapReader) ETag() ETag {
	if r.Tagger == nil {
		return nil
	}
	return r.Tagger.ETag()
}

// Wrap returns an io.Reader that reads from the wrapped
// io.Reader and implements the Tagger interaface.
//
// If content implements Tagger then the returned Reader
// returns ETag of the content. Otherwise, it returns
// nil as ETag.
//