essential_node_db_sql::query

Constant GET_NEXT_BLOCK_ADDRESSES

Source 
pub const GET_NEXT_BLOCK_ADDRESSES: &str = "SELECT\n    b1.block_address\nFROM\n    block b1\n    LEFT JOIN block b2 ON b1.number = b2.number + 1\nWHERE\n    b2.block_address = :current_block\n";
Expand description
SELECT
    b1.block_address
FROM
    block b1
    LEFT JOIN block b2 ON b1.number = b2.number + 1
WHERE
    b2.block_address = :current_block