"substring('abcd' from 2)",
		"substring('abcd' , 2 , 2)",

		"substring('abcd' , 22 )",
		"trim('  aab  ')",
		"trim(leading from '  aab  ')",
		"trim(trailing from '  aab  ')",
		"trim(both from '  aab  ')",

		"trim(both '12' from '  aab  ')",
		"trim(leading '12' from '  aab  ')",
		"trim(trailing '12' from '  aab  ')",
		"count(23)",
	}
	for i, tc := range validCases {

package sql

import (
	"errors"
	"strings"
)

var (
	errMalformedEscapeSequence  = errors.New("Malformed escape sequence in LIKE clause")
	errInvalidTrimArg           = errors.New("Trim argument is invalid - this should not happen")
	errInvalidSubstringIndexLen = errors.New("Substring start index or length falls outside the string")
)

const (
	percent    rune = '%'
	underscore rune = '_'

			extractedSignedHeaders.Set(header, strconv.FormatInt(r.ContentLength, 10))
		default:
			return nil, ErrUnsignedHeaders
		}
	}
	return extractedSignedHeaders, ErrNone
}

// Trim leading and trailing spaces and replace sequential spaces with one space, following Trimall()
// in http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
func signV4TrimAll(input string) string {

	}
	// If none left...
	if len(newKeys) == 0 {
		*x = nil
		return true
	}

	// Reserialize...
	x.serialize(plSize, newKeys, newVals)
	return true
}

// xlMetaV2TrimData will trim any data from the metadata without unmarshalling it.
// If any error occurs the unmodified data is returned.
func xlMetaV2TrimData(buf []byte) []byte {
	metaBuf, min, maj, err := checkXL2V1(buf)
	if err != nil {

	for scanner.Scan() {
		if strings.Contains(scanner.Text(), "chart=") {
			helmChartVersion := strings.TrimPrefix(scanner.Text(), "chart=")
			// remove quotes from the chart version
			return strings.Trim(helmChartVersion, `"`)
		}
	}

	return ""
}

// IsSourceBuild - returns if this binary is a non-official build from
// source code.
func IsSourceBuild() bool {

			buf.Truncate(buf.Len() - 1)
		}
		buf.WriteString(s3Select.Output.CSVArgs.RecordDelimiter)

		return nil
	case jsonFormat:
		err := record.WriteJSON(buf)
		if err != nil {
			return err
		}
		// Trim trailing newline from non-simd output
		if buf.Bytes()[buf.Len()-1] == '\n' {
			buf.Truncate(buf.Len() - 1)
		}
		buf.WriteString(s3Select.Output.JSONArgs.RecordDelimiter)

		return nil
	}

				return fmt.Errorf("size mismatch. Meta size: %d", ei.V2Obj.Size)
			}
		} else {
			return err
		}
		if len(b) < 32 {
			return fmt.Errorf("file %s too short", file)
		}
		// Trim hash. Fine for inline data, since only one block.
		b = b[32:]

		set := parityData[data]
		if set == nil {
			set = make(map[int][]byte)
		}
		set[idx] = b
		parityData[data] = set

		// Combine

					objQuorum:         listingQuorum,
					bucket:            bucket,
					requestedVersions: requestedVersions,
				}

				path := baseDirFromPrefix(prefix)
				filterPrefix := strings.Trim(strings.TrimPrefix(prefix, path), slashSeparator)
				if path == prefix {
					filterPrefix = ""
				}

				lopts := listPathRawOptions{
					disks:          disks,
					fallbackDisks:  fallbackDisks,

	for k, v := range wh {
		respHeader[k] = strings.Join(v, ",")
	}
	entry.RespHeader = respHeader

	if etag := respHeader[xhttp.ETag]; etag != "" {
		respHeader[xhttp.ETag] = strings.Trim(etag, `"`)
	}

	return entry

		if match := forRegex.FindStringSubmatch(fwd); len(match) > 1 {
			// IPv6 addresses in Forwarded headers are quoted-strings. We strip
			// these quotes.
			addr = strings.Trim(match[1], `"`)
		}
	}

	return addr
}

// GetSourceIPRaw retrieves the IP from the request headers
// and falls back to r.RemoteAddr when necessary.
// however returns without bracketing.