Constant SOLUTION_SET_FAILURE 

pub const SOLUTION_SET_FAILURE: &str = "CREATE TABLE IF NOT EXISTS solution_set_failure (\n    id INTEGER PRIMARY KEY,\n    solution_set_addr BLOB NOT NULL,\n    attempt_block_num INTEGER NOT NULL,\n    attempt_block_addr BLOB NOT NULL,\n    attempt_solution_set_ix INTEGER NOT NULL,\n    err_msg BLOB NOT NULL\n)\n";

CREATE TABLE IF NOT EXISTS solution_set_failure (
    id INTEGER PRIMARY KEY,
    solution_set_addr BLOB NOT NULL,
    attempt_block_num INTEGER NOT NULL,
    attempt_block_addr BLOB NOT NULL,
    attempt_solution_set_ix INTEGER NOT NULL,
    err_msg BLOB NOT NULL
)