Function last_cost

tools/cdb2_sqlreplay/cdb2_sqlreplay.cpp:505–535

}

int64_t last_cost(cdb2_hndl_tp *db) {
    int64_t cost = 0;
    cdb2_clearbindings(db);

    int rc = cdb2_run_statement(db, "select comdb2_prevquerycost()");
    if (rc) {
        fprintf(stderr, "can't get cost? run rc %d %s\n", rc, cdb2_errstr(db));
        had_errors = 1;
        return 0;
    }

    rc = cdb2_next_record(db);
    while (rc == CDB2_OK) {
        char *s = (char*) cdb2_column_value(db, 0);
        if (s) {
            // This is not pretty but we don't expose a nicer way to do this.
            char *coststr = strstr(s, "Cost: ");
            if (coststr) {
                coststr += 6;
                cost = std::strtol(coststr, nullptr, 10);
            }
        }
        rc = cdb2_next_record(db);
    }
    if (rc != CDB2_OK_DONE) {
        fprintf(stderr, "last cost next rc %d %s\n", rc, cdb2_errstr(db));
        had_errors = 1;
    }

    return cost;
}

void dump_param(cson_value *param) {
    char *name;