/**
* Flush the entire cache
* @param when when the cache should be flushed (0 == immediately)
*/
void flush(uint32_t when __attribute__((unused)))
{
/* @TODO implement support for when != 0 */
ib_trx_t transaction= ib_trx_begin(IB_TRX_REPEATABLE_READ);
ib_crsr_t cursor= NULL;
ib_err_t err= DB_SUCCESS;
checked(ib_cursor_open_table(tablename, transaction, &cursor));
checked(ib_cursor_first(cursor));
checked(ib_cursor_lock(cursor, IB_LOCK_X));
do
{
checked(ib_cursor_delete_row(cursor));
} while ((err= ib_cursor_next(cursor)) == DB_SUCCESS);
if (err != DB_END_OF_INDEX)
{
fprintf(stderr, "Failed to flush the cache: %s\n", ib_strerror(err));
goto error_exit;
}
ib_cursor_close(cursor);
cursor= NULL;
checked(ib_trx_commit(transaction));
return;
error_exit:
if (cursor != NULL)
ib_cursor_close(cursor);
ib_err_t error= ib_trx_rollback(transaction);
if (error != DB_SUCCESS)
fprintf(stderr, "Failed to roll back the transaction:\n\t%s\n",
ib_strerror(error));
}
std::vector<im_val_t>
get_l3_custkeys_from_sequences(int pos, int freq)
{
ib_err_t err;
std::vector<im_val_t> pos_custkey_array;
ib_tpl_t key = ib_clust_search_tuple_create(crsr_l3_c);
ib_tuple_write_u32(key, 0, pos);
int res;
static bool moved = false;
if (!moved) {
err = ib_cursor_moveto(crsr_l3_c, key, IB_CUR_GE, &res);
ib_tuple_delete(key);
}
for (uint32_t i = pos; i < pos + freq; ++i) {
err = ib_cursor_read_row(crsr_l3_c, tpl_l3_c);
ib_u32_t custkey;
ib_tuple_read_u32(tpl_l3_c, 1, &custkey);
im_val_t im_val = {i, (uint32_t) custkey};
pos_custkey_array.push_back(im_val);
err = ib_cursor_next(crsr_l3_c);
tpl_l3_c = ib_tuple_clear(tpl_l3_c);
}
return pos_custkey_array;
}
std::vector<im_agg_t>
apply_l1_predicate_via_ji(std::vector<im_val_t> pos_orderkey_array)
{
ib_err_t err;
std::vector<im_agg_t> extendedprice_array;
ib_tpl_t key_ji = ib_clust_search_tuple_create(crsr_ji);
ib_tpl_t key_l1_s = ib_clust_search_tuple_create(crsr_l1_s);
ib_tpl_t key_l1_e = ib_clust_search_tuple_create(crsr_l1_e);
size_t size = pos_orderkey_array.size();
int res;
for (int i = 0; i < size; ++i) {
uint32_t sum_extendedprice = 0;
ib_tuple_write_u32(key_ji, 0, pos_orderkey_array[i].pos);
err = ib_cursor_moveto(crsr_ji, key_ji, IB_CUR_GE, &res);
if (err != DB_SUCCESS) {
std::cout << "failed moving cursor for ji" << std::endl;
}
while (err == DB_SUCCESS) {
err = ib_cursor_read_row(crsr_ji, tpl_ji);
if (err == DB_RECORD_NOT_FOUND || err == DB_END_OF_INDEX) {
}
ib_u32_t l3_pos, l1_pos;
ib_tuple_read_u32(tpl_ji, 0, &l3_pos);
ib_tuple_read_u32(tpl_ji, 1, &l1_pos);
if (l3_pos != pos_orderkey_array[i].pos) {
break;
}
ib_tuple_write_u32(key_l1_s, 0, l1_pos);
err = ib_cursor_moveto(crsr_l1_s, key_l1_s, IB_CUR_LE, &res);
if (err != DB_SUCCESS) {
std::cout << "failed moving cursor for l1_s" << std::endl;
}
// getting shipdate RLE triple
err = ib_cursor_read_row(crsr_l1_s, tpl_l1_s);
ib_u32_t l_shipdate, pos, freq;
ib_tuple_read_u32(tpl_l1_s, 0, &l_shipdate);
if (l_shipdate > pred_l_shipdate) {
ib_tuple_write_u32(key_l1_e, 0, l1_pos);
err = ib_cursor_moveto(crsr_l1_e, key_l1_e, IB_CUR_GE, &res);
if (err != DB_SUCCESS) {
std::cout << "failed moving cursor for l1_s" << std::endl;
}
err = ib_cursor_read_row(crsr_l1_e, tpl_l1_e);
ib_u32_t l_extendedprice;
ib_tuple_read_u32(tpl_l1_e, 1, &l_extendedprice);
sum_extendedprice += l_extendedprice;
}
err = ib_cursor_next(crsr_ji);
tpl_ji = ib_tuple_clear(tpl_ji);
}
im_agg_t im_agg = {sum_extendedprice};
extendedprice_array.push_back(im_agg);
}
ib_tuple_delete(key_ji);
ib_tuple_delete(key_l1_s);
return extendedprice_array;
}
/*********************************************************************
SELECT * FROM T; */
static
ib_err_t
do_query(
/*=====*/
ib_crsr_t crsr)
{
ib_err_t err;
ib_tpl_t tpl;
tpl = ib_clust_read_tuple_create(crsr);
assert(tpl != NULL);
err = ib_cursor_first(crsr);
assert(err == DB_SUCCESS);
while (err == DB_SUCCESS) {
err = ib_cursor_read_row(crsr, tpl);
assert(err == DB_SUCCESS
|| err == DB_END_OF_INDEX
|| err == DB_RECORD_NOT_FOUND);
if (err == DB_RECORD_NOT_FOUND || err == DB_END_OF_INDEX) {
break;
}
print_tuple(stdout, tpl);
err = ib_cursor_next(crsr);
assert(err == DB_SUCCESS
|| err == DB_END_OF_INDEX
|| err == DB_RECORD_NOT_FOUND);
tpl = ib_tuple_clear(tpl);
assert(tpl != NULL);
}
if (tpl != NULL) {
ib_tuple_delete(tpl);
}
if (err == DB_RECORD_NOT_FOUND || err == DB_END_OF_INDEX) {
err = DB_SUCCESS;
}
return(err);
}
int main(int argc, char *argv[])
{
if (!init_db()) { exit(1); }
ib_crsr_t crsr, index_crsr;
ib_tpl_t tpl;
ib_err_t err;
char *l6_orderkey_rle = "l5_customer_key_rle";
char cstore_l6_orderkey_rle[64];
sprintf(cstore_l6_orderkey_rle, "%s/%s", db_name, l6_orderkey_rle);
ib_trx_t ib_trx = ib_trx_begin(IB_TRX_REPEATABLE_READ);
err = ib_cursor_open_table(cstore_l6_orderkey_rle, ib_trx, &crsr);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l6_orderkey_rle << std::endl; }
err = ib_cursor_open_index_using_name(crsr, "SECONDARY_KEY", &index_crsr);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << std::endl; }
ib_cursor_set_cluster_access(index_crsr);
ib_tpl_t key = ib_sec_search_tuple_create(index_crsr);
ib_tuple_write_u32(key, 0, 330575);
int res;
err = ib_cursor_moveto(index_crsr, key, IB_CUR_GE, &res);
std::cout << "res: " << res << std::endl;
assert(err == DB_SUCCESS || err == DB_END_OF_INDEX || err == DB_RECORD_NOT_FOUND);
tpl = ib_clust_read_tuple_create(crsr);
while (err == DB_SUCCESS) {
err = ib_cursor_read_row(index_crsr, tpl);
if (err == DB_RECORD_NOT_FOUND || err == DB_END_OF_INDEX) {
std::cerr << "not found" << std::endl;
}
ib_u32_t orderkey, pos, freq;
ib_tuple_read_u32(tpl, 0, &orderkey);
ib_tuple_read_u32(tpl, 1, &pos);
ib_tuple_read_u32(tpl, 2, &freq);
std::cout << "orderkey: " << orderkey << ", pos: " << pos << ", freq: " << freq << std::endl;
err = ib_cursor_next(index_crsr);
tpl = ib_tuple_clear(tpl);
break;
}
ib_cursor_close(index_crsr);
ib_cursor_close(crsr);
ib_trx_commit(ib_trx);
fin_db();
return 0;
}
int main(int argc,char **argv){
if(argc != 2){
printf("give me a database\table name\n");
return 1;
}
char *dtname=argv[1];
ib_err_t err;
err=ib_init();
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err = ib_cfg_set_int("log_buffer_size", 8*1024*1024);
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err = ib_cfg_set_int("force_recovery", 1);
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err = ib_cfg_set_int("log_file_size", 128*1024*1024);
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err = ib_cfg_set_int("log_files_in_group", 3);
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err = ib_cfg_set_text("log_group_home_dir", "./");
//err = ib_cfg_set_text("log_group_home_dir", "/var/lib/mysql/");
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err = ib_cfg_set_text("data_home_dir", "./");
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err = ib_cfg_set_text("data_file_path", "ibdata1:500M:autoextend");
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err = ib_cfg_set_bool_on("file_per_table");
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err=ib_startup("Antelope");
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
ib_trx_t trx;
ib_crsr_t crsr;
trx=ib_trx_begin(IB_TRX_REPEATABLE_READ);
assert(trx != NULL);
err=ib_cursor_open_table(dtname,trx,&crsr);
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
ib_tpl_t tpl;
tpl=ib_clust_read_tuple_create(crsr);
assert(tpl != NULL);
err=ib_cursor_first(crsr);
while(err == DB_SUCCESS){
err=ib_cursor_read_row(crsr,tpl);
print_tuple(stdout,tpl);
err=ib_cursor_next(crsr);
tpl=ib_tuple_clear(tpl);
}
ib_tuple_delete(tpl);
err=ib_cursor_close(crsr);
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err=ib_trx_commit(trx);
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
err=ib_shutdown(IB_SHUTDOWN_NORMAL);
if(err != DB_SUCCESS){
puts(ib_strerror(err));
return err;
}
return 0;
}
void q3(void)
{
char *l1_shipdate_rle = "l1_shipdate_rle";
char *l1_extendedprice_uncompressed = "l1_extendedprice_uncompressed";
char *l3_orderdate_rle = "l3_orderdate_rle";
char *l3_custkey_uncompressed = "l3_custkey_uncompressed";
char *l3_orderkey_uncompressed = "l3_orderkey_uncompressed";
char *l5_customer_key_rle = "l5_customer_key_rle";
char *l5_nationkey_uncompressed = "l5_nationkey_uncompressed";
char *l6_orderkey_rle = "l6_orderkey_rle";
char *l6_extendedprice_uncompressed = "l6_extendedprice_uncompressed";
char *l6_shipdate_uncompressed = "l6_shipdate_uncompressed";
char *ji_l3_l1 = "ji_l3-l1";
char cstore_l1_shipdate_rle[64];
char cstore_l1_extendedprice_uncompressed[64];
char cstore_l3_orderdate_rle[64];
char cstore_l3_custkey_uncompressed[64];
char cstore_l3_orderkey_uncompressed[64];
char cstore_l5_customer_key_rle[64];
char cstore_l5_nationkey_uncompressed[64];
char cstore_l6_orderkey_rle[64];
char cstore_l6_extendedprice_uncompressed[64];
char cstore_l6_shipdate_uncompressed[64];
char cstore_ji_l3_l1[64];
sprintf(cstore_l1_shipdate_rle, "%s/%s", db_name, l1_shipdate_rle);
sprintf(cstore_l1_extendedprice_uncompressed, "%s/%s", db_name, l1_extendedprice_uncompressed);
sprintf(cstore_l3_orderdate_rle, "%s/%s", db_name, l3_orderdate_rle);
sprintf(cstore_l3_custkey_uncompressed, "%s/%s", db_name, l3_custkey_uncompressed);
sprintf(cstore_l3_orderkey_uncompressed, "%s/%s", db_name, l3_orderkey_uncompressed);
sprintf(cstore_l5_customer_key_rle, "%s/%s", db_name, l5_customer_key_rle);
sprintf(cstore_l5_nationkey_uncompressed, "%s/%s", db_name, l5_nationkey_uncompressed);
sprintf(cstore_l6_orderkey_rle, "%s/%s", db_name, l6_orderkey_rle);
sprintf(cstore_l6_extendedprice_uncompressed, "%s/%s", db_name, l6_extendedprice_uncompressed);
sprintf(cstore_l6_shipdate_uncompressed, "%s/%s", db_name, l6_shipdate_uncompressed);
sprintf(cstore_ji_l3_l1, "%s/%s", db_name, ji_l3_l1);
double t0 = gettimeofday_sec();
ib_err_t err;
//ib_crsr_t crsr_l1_s, crsr_l1_e, crsr_l3_o, crsr_l3_c, crsr_l5_c, crsr_l5_n, crsr_ji;
ib_trx_t ib_trx = ib_trx_begin(IB_TRX_REPEATABLE_READ);
err = ib_cursor_open_table(cstore_l1_shipdate_rle, ib_trx, &crsr_l1_s);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l1_shipdate_rle << std::endl; }
err = ib_cursor_open_table(cstore_l1_extendedprice_uncompressed, ib_trx, &crsr_l1_e);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l1_extendedprice_uncompressed << std::endl; }
err = ib_cursor_open_table(cstore_l3_orderdate_rle, ib_trx, &crsr_l3_o);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l3_orderdate_rle << std::endl; }
err = ib_cursor_open_table(cstore_l3_custkey_uncompressed, ib_trx, &crsr_l3_c);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l3_custkey_uncompressed << std::endl; }
err = ib_cursor_open_table(cstore_l3_orderkey_uncompressed, ib_trx, &crsr_l3_ok);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l3_orderkey_uncompressed << std::endl; }
err = ib_cursor_open_table(cstore_l5_customer_key_rle, ib_trx, &crsr_l5_c);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l5_customer_key_rle << std::endl; }
err = ib_cursor_open_table(cstore_l5_nationkey_uncompressed, ib_trx, &crsr_l5_n);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l5_nationkey_uncompressed << std::endl; }
err = ib_cursor_open_table(cstore_l6_orderkey_rle, ib_trx, &crsr_l6_o);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l6_orderkey_rle << std::endl; }
err = ib_cursor_open_table(cstore_l6_extendedprice_uncompressed, ib_trx, &crsr_l6_e);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l6_extendedprice_uncompressed << std::endl; }
err = ib_cursor_open_table(cstore_l6_shipdate_uncompressed, ib_trx, &crsr_l6_s);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_l6_shipdate_uncompressed << std::endl; }
err = ib_cursor_open_table(cstore_ji_l3_l1, ib_trx, &crsr_ji);
if (err != DB_SUCCESS) { std::cout << ib_strerror(err) << " " << cstore_ji_l3_l1 << std::endl; }
tpl_l1_s = ib_clust_read_tuple_create(crsr_l1_s);
tpl_l1_e = ib_clust_read_tuple_create(crsr_l1_e);
tpl_l3_o = ib_clust_read_tuple_create(crsr_l3_o);
tpl_l3_c = ib_clust_read_tuple_create(crsr_l3_c);
tpl_l3_ok = ib_clust_read_tuple_create(crsr_l3_ok);
tpl_l5_c = ib_clust_read_tuple_create(crsr_l5_c);
tpl_l5_n = ib_clust_read_tuple_create(crsr_l5_n);
tpl_l6_o = ib_clust_read_tuple_create(crsr_l6_o);
tpl_l6_e = ib_clust_read_tuple_create(crsr_l6_e);
tpl_l6_s = ib_clust_read_tuple_create(crsr_l6_s);
tpl_ji = ib_clust_read_tuple_create(crsr_ji);
ib_tpl_t key = ib_clust_search_tuple_create(crsr_l3_o);
ib_tuple_write_u32(key, 0, pred_o_orderdate);
int res;
// move cursor
//err = ib_cursor_moveto(l3_o, key, IB_CUR_L, &res);
err = ib_cursor_first(crsr_l3_o);
ib_tuple_delete(key);
if (err == DB_SUCCESS) {
//std::cout << "success" << std::endl;
} else {
std::cout << "failed" << std::endl;
ib_cursor_close(crsr_l3_o);
return;
}
while (err == DB_SUCCESS) {
err = ib_cursor_read_row(crsr_l3_o, tpl_l3_o);
/* Possible handle locking and timeout errors too in multi-threaded applications. */
if (err == DB_RECORD_NOT_FOUND || err == DB_END_OF_INDEX) {
break;
}
ib_u32_t orderdate, pos, freq;
ib_tuple_read_u32(tpl_l3_o, 0, &orderdate);
if (orderdate >= pred_o_orderdate) { break; }
ib_tuple_read_u32(tpl_l3_o, 1, &pos);
ib_tuple_read_u32(tpl_l3_o, 2, &freq);
double t1 = gettimeofday_sec();
// get L3 o_custkey from position filtering
std::vector<im_val_t> pos_custkey_array = get_l3_custkeys_from_sequences(pos, freq);
std::sort(pos_custkey_array.begin(), pos_custkey_array.end(), val_asc);
/*
for (int i = 0; i < pos_custkey_array.size(); ++i) {
std::cout << pos_custkey_array[i].pos << ": " << pos_custkey_array[i].val << std::endl;
}
*/
double t2 = gettimeofday_sec();
std::cout << "orderdate: " << pred_o_orderdate << " get_l3_custkeys_from_sequences: " << t2 - t1 << std::endl;
// join with L5 and apply c_nationkey predicate
//std::vector<uint32_t> pos_array = apply_l5_predicate(pos_custkey_array);
std::vector<uint32_t> pos_array = apply_l5_predicate_scan(pos_custkey_array);
/*
for (int i = 0; i < pos_array.size(); ++i) {
std::cout << "pos: " << pos_array[i] << std::endl;
}
*/
double t3 = gettimeofday_sec();
std::cout << "orderdate: " << pred_o_orderdate << " apply_l5_predicate: " << t3 - t2 << std::endl;
// get L3 o_orderkey from position filtring
std::vector<im_val_t> pos_orderkey_array = get_l3_orderkeys_from_positions(pos_array);
/*
for (int i = 0; i < pos_orderkey_array.size(); ++i) {
std::cout << pos_orderkey_array[i].pos << ": " << pos_orderkey_array[i].val << std::endl;
}
*/
double t4 = gettimeofday_sec();
std::cout << "orderdate: " << pred_o_orderdate << " get_l3_orderkeys_from_positions: " << t4 - t3 << std::endl;
// join with L1 apply L1 l_shipdate predicate
// TODO: we don't need orderkey if we have L3->L1 join-index (we only need positions)
if (use_ji) {
std::vector<im_agg_t> extendedprice_array = apply_l1_predicate_via_ji(pos_orderkey_array);
double t5 = gettimeofday_sec();
std::cout << "orderdate: " << pred_o_orderdate << " apply_l1_predicate(JI): " << t5 - t4 << std::endl;
} else {
std::sort(pos_orderkey_array.begin(), pos_orderkey_array.end(), val_asc);
std::vector<im_agg_t> extendedprice_array = apply_l6_predicate(pos_orderkey_array);
double t5 = gettimeofday_sec();
std::cout << "orderdate: " << pred_o_orderdate << " apply_l6_predicate: " << t5 - t4 << std::endl;
}
/*
for (int i = 0; i < extendedprice_array.size(); ++i) {
std::cout << "orderdate: " << orderdate << ", orderkey: " << pos_orderkey_array[i].val << ", SUM(extendedprice): " << extendedprice_array[i].agg << std::endl;
}
*/
// here we have L3.o_orderdate, L1.l_extendedprice
// aggratation if needed (omitted)
err = ib_cursor_next(crsr_l3_o);
/* Possible handle locking and timeout errors too
* in multi-threaded applications. */
if (err == DB_RECORD_NOT_FOUND || err == DB_END_OF_INDEX) {
break;
}
tpl_l3_o = ib_tuple_clear(tpl_l3_o);
}
ib_tuple_delete(tpl_l3_o);
ib_cursor_close(crsr_l1_s);
ib_cursor_close(crsr_l1_e);
ib_cursor_close(crsr_l3_o);
ib_cursor_close(crsr_l3_c);
ib_cursor_close(crsr_l3_ok);
ib_cursor_close(crsr_l5_c);
ib_cursor_close(crsr_l5_n);
ib_cursor_close(crsr_l6_o);
ib_cursor_close(crsr_l6_e);
ib_cursor_close(crsr_l6_s);
ib_cursor_close(crsr_ji);
ib_trx_commit(ib_trx);
double t6 = gettimeofday_sec();
std::cout << "orderdate: " << pred_o_orderdate << " total:" << t6-t0 << std::endl;
}
/**********************************************************************
UPDATE t2 SET score = score + 100 AND upd_run = run_number
WHERE c1 == 5
@return DB_SUCCESS or error code */
static
ib_err_t
update_t2(
/*======*/
void* arg) /*!< in: arguments for callback */
{
ib_err_t err;
int res = ~0;
int five = 5;
ib_tpl_t key_tpl = NULL;
ib_tpl_t old_tpl = NULL;
ib_tpl_t new_tpl = NULL;
ib_crsr_t crsr = NULL;
cb_args_t* cb_arg = (cb_args_t *)arg;
tbl_class_t* tbl = cb_arg->tbl;
//fprintf(stderr, "t2: UPDATE\n");
err = open_table(tbl->db_name, tbl->name, cb_arg->trx, &crsr);
if (err != DB_SUCCESS) {
goto err_exit;
}
err = ib_cursor_lock(crsr, IB_LOCK_IX);
if (err != DB_SUCCESS) {
goto err_exit;
}
err = ib_cursor_set_lock_mode(crsr, IB_LOCK_X);
if (err != DB_SUCCESS) {
goto err_exit;
}
err = ib_cursor_set_lock_mode(crsr, IB_LOCK_X);
assert(err == DB_SUCCESS);
/* Create a tuple for searching an index. */
key_tpl = ib_sec_search_tuple_create(crsr);
assert(key_tpl != NULL);
/* Set the value to look for. */
err = ib_col_set_value(key_tpl, 0, &five, 4);
assert(err == DB_SUCCESS);
/* Search for the key using the cluster index (PK) */
err = ib_cursor_moveto(crsr, key_tpl, IB_CUR_GE, &res);
ib_tuple_delete(key_tpl);
if (res != 0) {
goto clean_exit;
} else if (err != DB_SUCCESS) {
goto err_exit;
}
/* Create the tuple instance that we will use to update the
table. old_tpl is used for reading the existing row and
new_tpl will contain the update row data. */
old_tpl = ib_clust_read_tuple_create(crsr);
assert(old_tpl != NULL);
new_tpl = ib_clust_read_tuple_create(crsr);
assert(new_tpl != NULL);
/* Iterate over the records while the first column matches "a". */
while (1) {
ib_u32_t score;
ib_u32_t val;
ib_ulint_t data_len;
ib_col_meta_t col_meta;
err = ib_cursor_read_row(crsr, old_tpl);
assert(err == DB_SUCCESS);
ib_col_get_meta(old_tpl, 0, &col_meta);
err = ib_tuple_read_u32(old_tpl, 0, &val);
assert(err == DB_SUCCESS);
if (val != five) {
goto clean_exit;
}
/* Copy the old contents to the new tuple. */
err = ib_tuple_copy(new_tpl, old_tpl);
/* Update the score column in the new tuple. */
data_len = ib_col_get_meta(old_tpl, 1, &col_meta);
assert(data_len != IB_SQL_NULL);
err = ib_tuple_read_u32(old_tpl, 1, &score);
assert(err == DB_SUCCESS);
score += 100;
/* Set the updated value in the new tuple. */
err = ib_tuple_write_u32(new_tpl, 1, score);
assert(err == DB_SUCCESS);
/* Set the updated value in the new tuple. */
err = ib_tuple_write_u32(new_tpl, 3, cb_arg->run_number);
assert(err == DB_SUCCESS);
err = ib_cursor_update_row(crsr, old_tpl, new_tpl);
if (err != DB_SUCCESS) {
goto err_exit;
}
update_err_stats(cb_arg->err_st, err);
/* Move to the next record to update. */
err = ib_cursor_next(crsr);
if (err != DB_SUCCESS) {
goto err_exit;
}
/* Reset the old and new tuple instances. */
old_tpl = ib_tuple_clear(old_tpl);
assert(old_tpl != NULL);
new_tpl = ib_tuple_clear(new_tpl);
assert(new_tpl != NULL);
}
err_exit:
update_err_stats(cb_arg->err_st, err);
clean_exit:
if (old_tpl != NULL) {
ib_tuple_delete(old_tpl);
}
if (new_tpl != NULL) {
ib_tuple_delete(new_tpl);
}
if (crsr != NULL) {
ib_err_t err2;
err2 = ib_cursor_close(crsr);
assert(err2 == DB_SUCCESS);
crsr = NULL;
}
return(err);
}
