Function EncodeEscapedSQLIdent

pkg/sql/lexbase/encode.go:101–120

EncodeEscapedSQLIdent writes the identifier in s to buf. The identifier is always quoted. Double quotes inside the identifier are escaped.

(buf *bytes.Buffer, s string)

// identifier is always quoted. Double quotes inside the identifier
// are escaped.
func EncodeEscapedSQLIdent(buf *bytes.Buffer, s string) {
	buf.WriteByte('"')
	start := 0
	for i, n := 0, len(s); i < n; i++ {
		ch := s[i]
		// The only character that requires escaping is a double quote.
		if ch == '"' {
			if start != i {
				buf.WriteString(s[start:i])
			}
			start = i + 1
			buf.WriteByte(ch)
			buf.WriteByte(ch) // add extra copy of ch
		}
	}
	if start < len(s) {
		buf.WriteString(s[start:])
	}
	buf.WriteByte('"')
}

const (
	minPrintableChar = 0x20 // ' '