Function duckdb_list_vector_set_size 

pub unsafe extern "C" fn duckdb_list_vector_set_size(
    vector: duckdb_vector,
    size: idx_t,
) -> duckdb_state

Sets the total size of the underlying child-vector of a list vector.

vector: The list vector. size: The size of the child list. returns: The duckdb state. Returns DuckDBError if the vector is nullptr.