risingwave_frontend::expr::utils

Function collect_input_refs

source 
pub fn collect_input_refs<'a>(
    input_col_num: usize,
    exprs: impl IntoIterator<Item = &'a ExprImpl>,
) -> FixedBitSet
Expand description

Collect all InputRefs’ indexes in the expressions.

§Panics

Panics if input_ref >= input_col_num.