Method parseHavingClause

pkg/sql/parser/select_clauses.go:516–522

parseHavingClause parses "HAVING " if present. Returns nil (no error) when HAVING is absent.

()

// parseHavingClause parses "HAVING <expr>" if present.
// Returns nil (no error) when HAVING is absent.
func (p *Parser) parseHavingClause() (ast.Expression, error) {
	if !p.isType(models.TokenTypeHaving) {
		return nil, nil
	}
	p.advance() // Consume HAVING
	return p.parseExpression()
}

// parseOrderByClause parses "ORDER BY <expr> [ASC|DESC] [NULLS FIRST|LAST] [, ...]".
// Returns nil slice (no error) when ORDER BY is absent.