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Improve intersected filtering perf.

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This commit is contained in:
Kishore Nallan 2021-11-22 12:29:11 +05:30
parent ef47f54d11
commit 55ad455804
1 changed files with 4 additions and 23 deletions
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27
src/posting_list.cpp
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@ -666,37 +666,18 @@ void posting_list_t::intersect(const std::vector<posting_list_t*>& posting_lists
bool posting_list_t::take_id(result_iter_state_t& istate, uint32_t id) {
// decide if this result id should be excluded
if(istate.excluded_result_ids_size != 0) {
while(istate.excluded_result_ids_index < istate.excluded_result_ids_size &&
istate.excluded_result_ids[istate.excluded_result_ids_index] < id) {
istate.excluded_result_ids_index++;
}
if(istate.excluded_result_ids_index < istate.excluded_result_ids_size &&
id == istate.excluded_result_ids[istate.excluded_result_ids_index]) {
istate.excluded_result_ids_index++;
if (std::binary_search(istate.excluded_result_ids,
istate.excluded_result_ids + istate.excluded_result_ids_size, id)) {
return false;
}
}
bool id_found_in_filter = true;
// decide if this result be matched with filter results
if(istate.filter_ids_length != 0) {
id_found_in_filter = false;
// e.g. [1, 3] vs [2, 3]
while(istate.filter_ids_index < istate.filter_ids_length && istate.filter_ids[istate.filter_ids_index] < id) {
istate.filter_ids_index++;
}
if(istate.filter_ids_index < istate.filter_ids_length && istate.filter_ids[istate.filter_ids_index] == id) {
istate.filter_ids_index++;
id_found_in_filter = true;
}
return std::binary_search(istate.filter_ids, istate.filter_ids + istate.filter_ids_length, id);
}
return id_found_in_filter;
return true;
}
bool posting_list_t::get_offsets(const std::vector<iterator_t>& its,