stasis-bLSM/test/check_rbtree.cpp
sears de7984b05a create memTreeComponent class. Moved memTreeIterator, rbtree_t and tearDownTree into it (still need to move changableMemTreeIterator into it...)
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@673 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
2010-03-09 01:42:23 +00:00

104 lines
2.4 KiB
C++

#include <string>
#include <vector>
#include <iostream>
#include <sstream>
#include "logstore.h"
#include "datapage.h"
#include "logiterators.h"
#include "merger.h"
#include <assert.h>
#include <limits.h>
#include <math.h>
#include <pthread.h>
#include <sys/time.h>
#include <time.h>
#undef begin
#undef end
#include "check_util.h"
void insertProbeIter(size_t NUM_ENTRIES)
{
unlink("logfile.txt");
unlink("storefile.txt");
//data generation
std::vector<std::string> data_arr;
std::vector<std::string> key_arr;
preprandstr(NUM_ENTRIES, data_arr, 10*8192, true);
preprandstr(NUM_ENTRIES+200, key_arr, 100, true);
std::sort(key_arr.begin(), key_arr.end(), &mycmp);
removeduplicates(key_arr);
if(key_arr.size() > NUM_ENTRIES)
key_arr.erase(key_arr.begin()+NUM_ENTRIES, key_arr.end());
NUM_ENTRIES=key_arr.size();
if(data_arr.size() > NUM_ENTRIES)
data_arr.erase(data_arr.begin()+NUM_ENTRIES, data_arr.end());
memTreeComponent<datatuple>::rbtree_t rbtree;
int64_t datasize = 0;
std::vector<pageid_t> dsp;
for(size_t i = 0; i < NUM_ENTRIES; i++)
{
//prepare the key
datatuple *newtuple = datatuple::create(key_arr[i].c_str(), key_arr[i].length()+1,data_arr[i].c_str(), data_arr[i].length()+1);
datasize += newtuple->byte_length();
rbtree.insert(newtuple);
}
printf("\nTREE STRUCTURE\n");
//ltable.get_tree_c1()->print_tree(xid);
printf("datasize: %lld\n", (long long)datasize);
printf("Stage 2: Looking up %d keys:\n", NUM_ENTRIES);
int found_tuples=0;
for(int i=NUM_ENTRIES-1; i>=0; i--)
{
//find the key with the given tuple
int ri = i;
//prepare a search tuple
datatuple *search_tuple = datatuple::create(key_arr[ri].c_str(), key_arr[ri].length()+1);
//step 1: look in tree_c0
memTreeComponent<datatuple>::rbtree_t::iterator rbitr = rbtree.find(search_tuple);
if(rbitr != rbtree.end())
{
datatuple *tuple = *rbitr;
found_tuples++;
assert(tuple->keylen() == key_arr[ri].length()+1);
assert(tuple->datalen() == data_arr[ri].length()+1);
}
else
{
printf("Not in scratch_tree\n");
}
datatuple::freetuple(search_tuple);
}
printf("found %d\n", found_tuples);
}
/** @test
*/
int main()
{
insertProbeIter(250);
return 0;
}