pub fn join_table_borders(
left_table_column_count: usize,
projection_as_columns: &[(Column, String)],
) -> (i32, i32)Expand description
Returns the last index before encountering a column coming from the right table when traveling through the projection from left to right, and the last index before encountering a column coming from the left table when traveling through the projection from right to left. If there is no column in the projection coming from the left side, it returns (-1, …), if there is no column in the projection coming from the right side, it returns (…, projection length).