diff options
Diffstat (limited to 'include/query/rangecount.h')
| -rw-r--r-- | include/query/rangecount.h | 37 |
1 files changed, 15 insertions, 22 deletions
diff --git a/include/query/rangecount.h b/include/query/rangecount.h index 68d304d..0898473 100644 --- a/include/query/rangecount.h +++ b/include/query/rangecount.h @@ -16,7 +16,7 @@ namespace de { namespace rc { -template <ShardInterface S, bool FORCE_SCAN = true> class Query { +template <ShardInterface S> class Query { typedef typename S::RECORD R; public: @@ -75,8 +75,8 @@ public: return; } - static std::vector<LocalResultType> local_query(S *shard, LocalQuery *query) { - std::vector<LocalResultType> result; + static LocalResultType local_query(S *shard, LocalQuery *query) { + LocalResultType result = {0, 0}; /* * if the returned index is one past the end of the @@ -88,8 +88,6 @@ public: } auto ptr = shard->get_record_at(query->start_idx); - size_t reccnt = 0; - size_t tscnt = 0; /* * roll the pointer forward to the first record that is @@ -104,53 +102,48 @@ public: ptr->rec.key <= query->global_parms.upper_bound) { if (!ptr->is_deleted()) { - reccnt++; + result.record_count++; if (ptr->is_tombstone()) { - tscnt++; + result.tombstone_count++; } } ptr++; } - result.push_back({reccnt, tscnt}); return result; } - static std::vector<LocalResultType> + static LocalResultType local_query_buffer(LocalQueryBuffer *query) { - std::vector<LocalResultType> result; - size_t reccnt = 0; - size_t tscnt = 0; + LocalResultType result = {0, 0}; for (size_t i = 0; i < query->buffer->get_record_count(); i++) { auto rec = query->buffer->get(i); if (rec->rec.key >= query->global_parms.lower_bound && rec->rec.key <= query->global_parms.upper_bound) { if (!rec->is_deleted()) { - reccnt++; + result.record_count++; if (rec->is_tombstone()) { - tscnt++; + result.tombstone_count++; } } } } - result.push_back({reccnt, tscnt}); - return result; } static void - combine(std::vector<std::vector<LocalResultType>> const &local_results, - Parameters *parms, std::vector<ResultType> &output) { + combine(std::vector<LocalResultType> const &local_results, + Parameters *parms, ResultType &output) { size_t reccnt = 0; size_t tscnt = 0; for (auto &local_result : local_results) { - reccnt += local_result[0].record_count; - tscnt += local_result[0].tombstone_count; + reccnt += local_result.record_count; + tscnt += local_result.tombstone_count; } /* if more tombstones than results, clamp the output at 0 */ @@ -158,10 +151,10 @@ public: tscnt = reccnt; } - output.push_back({reccnt - tscnt}); + output = reccnt - tscnt; } - static bool repeat(Parameters *parms, std::vector<ResultType> &output, + static bool repeat(Parameters *parms, ResultType &output, std::vector<LocalQuery *> const &local_queries, LocalQueryBuffer *buffer_query) { return false; |