Function parse_intersect_op

graphlite/src/ast/parser.rs:932–948

Parse INTERSECT operation

(tokens: &[Token])

/// Parse INTERSECT operation
fn parse_intersect_op(tokens: &[Token]) -> IResult<&[Token], (SetOperationType, Query)> {
    map(
        tuple((
            expect_token(Token::Intersect),
            opt(expect_token(Token::All)),
            parse_query_term,
        )),
        |(_, all, right)| {
            let op = if all.is_some() {
                SetOperationType::IntersectAll
            } else {
                SetOperationType::Intersect
            };
            (op, right)
        },
    )(tokens)
}

/// Parse a SELECT statement: SELECT [DISTINCT|ALL] (* | return_items) [FROM graph_expression [match_statement]] [WHERE] [GROUP BY] [HAVING] [ORDER BY] [LIMIT]
fn select_statement(tokens: &[Token]) -> IResult<&[Token], SelectStatement> {