Function EncodeSQLBytesInner

pkg/sql/lexbase/encode.go:224–251

EncodeSQLBytesInner is like EncodeSQLBytes but does not include the outer quote delimiter and the 'b' prefix.

(buf *bytes.Buffer, in string)

// EncodeSQLBytesInner is like EncodeSQLBytes but does not include the
// outer quote delimiter and the 'b' prefix.
func EncodeSQLBytesInner(buf *bytes.Buffer, in string) {
	start := 0
	// Loop over the bytes of the string (i.e., don't use range over unicode
	// code points).
	for i, n := 0, len(in); i < n; i++ {
		ch := in[i]
		if encodedChar := stringencoding.EncodeMap[ch]; encodedChar != stringencoding.DontEscape {
			buf.WriteString(in[start:i])
			buf.WriteByte('\\')
			buf.WriteByte(encodedChar)
			start = i + 1
		} else if ch == '\'' {
			// We can't just fold this into stringencoding.EncodeMap because
			// stringencoding.EncodeMap is also used for strings which
			// aren't quoted with single-quotes
			buf.WriteString(in[start:i])
			buf.WriteByte('\\')
			buf.WriteByte(ch)
			start = i + 1
		} else if ch < 0x20 || ch >= 0x7F {
			buf.WriteString(in[start:i])
			// Escape non-printable characters.
			buf.Write(stringencoding.HexMap[ch])
			start = i + 1
		}
	}
	buf.WriteString(in[start:])
}