auto XSS( std::size_t index, std::size_t length ){ #ifndef NDEBUG verifyIndex( this->xss, index ); verifyIndex( this->xss, index + length - 1 ); #endif const auto left = std::next( this->xss.begin(), index - 1 ); const auto right = left + length; return ranges::make_iterator_range( left, right ); }
MojErr MojDbKind::stats(MojObject& objOut, MojSize& usageOut, MojDbReq& req, bool verify) { MojLogTrace(s_log); #if defined(TESTDBKIND) MojLogInfo(s_log, _T("Subkinds for - %s ; count = %d\n"), m_id.data(), m_subs.size()); int n = 0; for (KindVec::ConstIterator i = m_subs.begin(); i != m_subs.end(); ++i) { MojLogInfo(s_log, _T("SubKind %d: %s"), n++, (*i)->id().data()); } MojLogInfo(s_log, _T("Supers for - %s ; count = %d\n"), m_id.data(), m_supers.size()); n = 0; for (KindVec::ConstIterator i = m_supers.begin(); i != m_supers.end(); ++i) { MojLogInfo(s_log, _T("Super %d: %s"), n++, (*i)->id().data()); } #endif // analyze objects MojDbQuery query; MojErr err = query.from(m_id); MojErrCheck(err); err = query.includeDeleted(true); MojErrCheck(err); MojDbCursor cursor; err = m_kindEngine->find(query, cursor, NULL, req, OpRead); MojLogInfo(s_log, _T("KindStats start: %s ; Indexes = %zu; Using Index: %s; \n"), m_id.data(), m_indexes.size(), cursor.m_dbIndex->name().data()); MojErrCheck(err); MojSize count = 0; MojSize size = 0; MojSize delCount = 0; MojSize delSize = 0; MojSize warnings = 0; for (;;) { MojDbStorageItem* item = NULL; bool found = false; cursor.verifymode(true); err = cursor.get(item, found); if (err == MojErrInternalIndexOnFind) { warnings++; continue; } if (err != MojErrNone) // for all other errors break and dump current stats break; if (!found) break; MojObject obj; err = item->toObject(obj, *m_kindEngine, true); if (err != MojErrNone) break; bool deleted = false; if (obj.get(MojDb::DelKey, deleted) && deleted) { delSize += item->size(); delCount++; } else { size += item->size(); count++; } } MojLogInfo(s_log, _T("KindStats Summary: %s : Count: %zu; delCount: %zu; warnings: %zu \n"), m_id.data(), count, delCount, warnings); usageOut += size + delSize; MojObject info; err = info.put(SizeKey, (MojInt64) size); MojErrCheck(err); err = info.put(CountKey, (MojInt64) count); MojErrCheck(err); if (delCount > 0) { err = info.put(DelSizeKey, (MojInt64) delSize); MojErrCheck(err); err = info.put(DelCountKey, (MojInt64) delCount); MojErrCheck(err); } if (warnings > 0) { err = info.put(WarnKey, (MojInt64) warnings); MojErrCheck(err); } err = objOut.put(ObjectsKey, info); MojErrCheck(err); // and indexes MojObject indexes; for (IndexVec::ConstIterator i = m_indexes.begin(); i != m_indexes.end(); ++i) { MojObject indexInfo; err = (*i)->stats(indexInfo, usageOut, req); MojErrCheck(err); if (verify) { MojDbIndex *pi = i->get(); MojErr err2 = verifyIndex(pi, indexInfo, req); MojErrCheck(err2); } err = indexes.put((*i)->name(), indexInfo); MojErrCheck(err); } err = objOut.put(IndexesKey, indexes); MojErrCheck(err); return MojErrNone; }