Function SplitFirstStatement

postgres/parser/parser/scan.go:1022–1034

SplitFirstStatement returns the length of the prefix of the string up to and including the first semicolon that separates statements. If there is no semicolon, returns ok=false.

(sql string)

// including the first semicolon that separates statements. If there is no
// semicolon, returns ok=false.
func SplitFirstStatement(sql string) (pos int, ok bool) {
	s := makeScanner(sql)
	var lval sqlSymType
	for {
		s.scan(&lval)
		switch lval.id {
		case 0, ERROR:
			return 0, false
		case ';':
			return s.pos, true
		}
	}
}

// Tokens decomposes the input into lexical tokens.
func Tokens(sql string) (tokens []TokenString, ok bool) {