コード例 #1
0
        /// <summary>
        /// Read next fingerprint rec from file
        /// </summary>
        /// <param name="fi"></param>
        /// <returns></returns>

        public FingerprintRec ReadFingerprintRec(
            int fi)
        {
            if (Rfpa == null || Rfpa.reader != ReadStreams[fi])             // start reading file
            {
                Rfpa = new ReadFingerprintRecArgs();
                Rfpa.Initialize(ReadStreams[fi], FpLengthInLongs);
            }

            if (!ReadRawFingerprintRec(Rfpa))
            {
                return(null);                                          // end of file
            }
            FingerprintRec r = new FingerprintRec();

            r.molId = Rfpa.uci;
            r.SrcId = Rfpa.src;
            string cid = ASCIIEncoding.ASCII.GetString(Rfpa.cidBytes, 0, Rfpa.cidLength);

            r.Cid         = CompoundIdNormalizeForDatabase(cid);
            r.Cardinality = Rfpa.cardinality;
            r.Fingerprint = (long[])Rfpa.fingerprint.Clone();

            return(r);
        }
コード例 #2
0
        /// <summary>
        /// ReadFingerprintRec
        /// </summary>
        /// <returns></returns>
        public FingerprintRec ReadFingerprintRec()
        {
            if (Rsi < 0)
            {
                Rsi = 0;                      // first file
            }
            FingerprintRec r = ReadFingerprintRec(Rsi);

            while (r == null)             // if end of file try going to next
            {
                if (Rsi + 1 >= ReadStreams.Length)
                {
                    return(null);
                }

                Rsi++;
                Rfpa = new ReadFingerprintRecArgs();
                Rfpa.Initialize(ReadStreams[Rsi], FpLengthInLongs);

                r = ReadFingerprintRec(Rsi);
            }

            r.molId = Rfpa.uci;
            r.SrcId = Rfpa.src;
            string cid = ASCIIEncoding.ASCII.GetString(Rfpa.cidBytes, 0, Rfpa.cidLength);

            r.Cid = CompoundIdNormalizeForDatabase(cid);

            r.Cardinality = Rfpa.cardinality;
            r.Fingerprint = (long[])Rfpa.fingerprint.Clone();

            return(r);
        }
コード例 #3
0
        /// <summary>
        /// WriteFingerprintRec
        /// </summary>
        /// <param name="fpr"></param>

        public void WriteFingerprintRec(
            FingerprintRec fpr)
        {
            if (fpr.SrcId != LastSrcId || fpr.Cid != LastCid)
            {             // keep all FPs for a Cid in the same file
                Bwi++;
                if (Bwi >= BinaryWriters.Length)
                {
                    Bwi = 0;
                }
            }

            WriteFingerprintRec(BinaryWriters[Bwi], fpr);

            LastSrcId = fpr.SrcId;
            LastCid   = fpr.Cid;

            return;
        }
コード例 #4
0
        /// <summary>
        /// GetMaxCorpId
        /// </summary>
        /// <returns></returns>
        public static int GetMaxDestMolId()
        {
            int            molId, maxMolId = 0;
            FingerprintDao fpd = new FingerprintDao(Database, FingerprintType);
            List <string>  ids = new List <string>();

            if (!fpd.DataFilesExist())
            {
                return(maxMolId);
            }

            fpd.OpenReaders();

            while (true)
            {
                FingerprintRec rec = fpd.ReadFingerprintRec();
                if (rec == null)
                {
                    break;
                }

                //CorpIds.Add(rec.Cid); // debug

                if (CorpDatabase)
                {
                    int.TryParse(rec.Cid, out molId);
                }
                else
                {
                    molId = rec.molId;
                }

                if (molId > maxMolId)
                {
                    maxMolId = molId;
                }
            }

            fpd.CloseReaders();

            return(maxMolId);
        }
コード例 #5
0
        /// <summary>
        /// Get a set of the existing Cids
        /// </summary>
        /// <returns></returns>

        public HashSet <string> GetExistingCidSet()
        {
            HashSet <string> cidSet = new HashSet <string>();

            OpenReaders();

            while (true)
            {
                FingerprintRec r = ReadFingerprintRec();
                if (r == null)
                {
                    break;
                }

                cidSet.Add(r.Cid);
            }

            CloseReaders();
            return(cidSet);
        }
コード例 #6
0
        /// <summary>
        /// WriteFpRec
        /// </summary>
        /// <param name="bw"></param>
        /// <param name="uci"></param>
        /// <param name="src"></param>
        /// <param name="cidString"></param>
        /// <param name="fingerprint"></param>
        public void WriteFingerprintRec(
            BinaryWriter bw,
            FingerprintRec fpr)
        {
            long l;

            if (bw == null || fpr == null)
            {
                throw new InvalidDataException();
            }

            bw.Write(fpr.molId);             // int - [4]
            bw.Write(fpr.SrcId);             // int  - [4]

            string cid = CompoundIdNormalizeForDatabase(fpr.Cid);

            bw.Write((byte)cid.Length);                  // byte - [1]
            byte[] cidBytes = ASCIIEncoding.ASCII.GetBytes(cid);
            bw.Write(cidBytes);                          // byte - [n]

            bw.Write(fpr.Cardinality);                   // number of bits set in fp - int  - [4]

            long[] fp64 = fpr.Fingerprint;               // FingerprintMx.ByteArrayToLongrray(fingerprint);
            bw.Write((byte)FpLengthInLongs);             // long count  - byte - [1]
            for (int li = 0; li < FpLengthInLongs; li++) // fingerprint long*3 -[24] (MACCS)
            {
                if (li < fp64.Length)
                {
                    l = fp64[li];
                }
                else
                {
                    l = 0;                  // pad to fixed length
                }
                bw.Write(l);
            }
            return;
        }
コード例 #7
0
        /// <summary>
        /// Merge existing .bin files with new records
        /// 1. Copy .bin files to .mrg files filtering out cids that have been updated
        /// 2. Append new records to .mrg files
        /// 3. Rename .bin files to .bak files and .mrg files to new .bin files
        /// </summary>

        static void MergeRecordsIntoFiles(
            List <FingerprintRec> fpRecList)
        {
            string date1, date2;

            Progress.Show("Merging existing and new files...");

            // Copy existing bin file entries filtering out cids that were updated

            FpDao.OpenReaders("bin");                            // open existing .bin files for input
            FpDao.OpenWriters("mrg", FileMode.Create);           // open new merge files for output

            HashSet <string> fpRecHash = new HashSet <string>(); // build a hash of cids that shouldn't be copied

            foreach (FingerprintRec fpr in fpRecList)
            {
                fpRecHash.Add(fpr.Cid);
            }

            int replacementCnt = 0;

            for (int fi = 0; fi < FingerprintDao.FingerprintFileCount; fi++)             // copy each file
            {
                BinaryWriter bw = FpDao.BinaryWriters[fi];

                while (true)
                {
                    FingerprintRec fpr = FpDao.ReadFingerprintRec(fi);
                    if (fpr == null)
                    {
                        break;
                    }

                    if (fpRecHash.Contains(fpr.Cid))
                    {
                        //Log("Removing " + fpr.Cid); // debug
                        replacementCnt++;
                        continue;                         // skip if this cid is was updated in the incoming list
                    }

                    FpDao.WriteFingerprintRec(bw, fpr);
                }
            }

            FpDao.CloseReaders();

            // Append the new records to the merge files

            foreach (FingerprintRec fpr in fpRecList)             // write out buffered recs
            {
                FpDao.WriteFingerprintRec(fpr);
            }

            FpDao.CloseWriters();

            // Backup old files and activate new files

            for (int fi = 0; fi < FingerprintDao.FingerprintFileCount; fi++)             // check that we can backup all bin files
            {
                string fileName = FpDao.GetFpFileName(fi) + ".bin";
                bool   backupOk = FileUtil.CanRename(fileName);
                if (!backupOk)
                {
                    throw new Exception("Unable to rename file: " + fileName + ", aborting update");
                }
            }

            for (int fi = 0; fi < FingerprintDao.FingerprintFileCount; fi++)
            {
                string fileName = FpDao.GetFpFileName(fi);
                bool   backupOk = FileUtil.BackupAndReplaceFile(fileName + ".bin", fileName + ".bak", fileName + ".mrg");
                if (!backupOk)
                {
                    throw new Exception("Error replacing file: " + fileName + ".bin");
                }
            }

            if (ByCheckpoint)
            {
                string checkPointDate = String.Format("{0:dd-MMM-yyyy HHmmss}", MoleculeDateTime);   // format last new/updated date time in a format that works with Oracle
                FpDao.WriteFingerPrintSimMxDataUpdateCheckpointDate(checkPointDate);                 // update checkpoint
            }

            Progress.Show("Merging complete...");

            int    cnt  = fpRecList.Count;
            string cid1 = fpRecList[0].Cid;
            string cid2 = fpRecList[cnt - 1].Cid;

            if (CidUpdateDateDict.ContainsKey(cid1))
            {
                date1 = CidUpdateDateDict[cid1].ToString();
            }
            else
            {
                date1 = "Missing";
            }

            if (CidUpdateDateDict.ContainsKey(cid2))
            {
                date2 = CidUpdateDateDict[cid1].ToString();
            }
            else
            {
                date2 = "Missing";
            }

            Log("Records stored: " + cnt + ", Adds: " + (cnt - replacementCnt) + ", Replacements: " + replacementCnt +
                ", Date range: " + date1 + " - " + date2 + ", CIDs: First = " + cid1 + ", Last = " + cid2);

            return;
        }
コード例 #8
0
        static ICdkMol CdkMolUtil => StaticCdkMol.I;         // static molecule shortcut for utility methods

        /// <summary>
        /// UpdateCorpFingerprintDatabaseMx
        /// ///////////////////////////////////////////////////////
        /// Syntax: Update FingerprintDatabaseMx [Corp | ChEMBL] [MACCS | ECFP4] [Load | ByCidRange | SinceLastCheckpoint | LoadMissing | <SingleCorpId>]
        ///
        /// Corp Examples:
        ///    Update FingerprintDatabaseMx Corp MACCS Load
        ///    Update FingerprintDatabaseMx Corp MACCS LoadMissing
        ///    Update FingerprintDatabaseMx Corp MACCS SinceLastCheckpoint
        ///
        ///    Update FingerprintDatabaseMx Corp ECFP4 Load
        ///    Update FingerprintDatabaseMx Corp ECFP4 LoadMissing
        ///    Update FingerprintDatabaseMx Corp ECFP4 SinceLastCheckpoint
        ///
        /// ChEMBL Examples:
        ///    Update FingerprintDatabaseMx Chembl MACCS Load
        ///    Update FingerprintDatabaseMx Chembl MACCS LoadMissing
        ///
        ///    Update FingerprintDatabaseMx Chembl ECFP4 Load
        ///    Update FingerprintDatabaseMx Chembl ECFP4 LoadMissing
        /// ///////////////////////////////////////////////////////
        /// </summary>
        /// <param name="argString"></param>
        /// <returns></returns>

        static public string Update(
            string argString)
        {
            MoleculeMx mol;
            double     mw;
            string     chime, smiles, molString, molFile = "";
            string     msg = "", sql = "", chemblId, cid = "", maxCorpIdSql, maxIdSql2, mf, missingFixCriteria = "", CorpIdList = "";
            int        storeChunkCount = 0, CorpId, molregno, molId, lowId = 0, highId = 0, maxDestId = 0, maxSrcId = 0;
            int        readCount = 0, storeCount = 0;

            ByCheckpoint   = ByCidRange = ByCidList = LoadIfMissing = false;
            ReadChunkSize  = DefaultReadChunkSize;
            WriteChunkSize = DefaultWriteChunkSize;

            Failures = new Dictionary <string, string>();
            NewUndefinedStructureCids = new List <string>();

            LastFailure  = "";
            FailureCount = 0;

            // global try loop

            try
            {
                ////////////////////////
                /// Parse Parameters ///
                ////////////////////////

                // See which database

                argString = argString.Trim();
                if (Lex.StartsWith(argString, "Corp"))
                {
                    Database  = "Corp";
                    argString = argString.Substring(5).Trim();
                }

                else if (Lex.StartsWith(argString, "Chembl"))
                {
                    Database  = "ChEMBL";
                    argString = argString.Substring(6).Trim();
                }

                else
                {
                    return(SyntaxMsg);
                }

                // See which fingerprint type

                FingerprintType = FingerprintType.MACCS;                 // default to MACCS if type not defined

                if (Lex.TryReplace(ref argString, "MACCS", ""))
                {
                    FingerprintType = FingerprintType.MACCS;
                    argString       = argString.Trim();
                }

                else if (Lex.TryReplace(ref argString, "ECFP4", ""))
                {
                    FingerprintType = FingerprintType.Circular;                     // (i.e. ECFP4)
                    argString       = argString.Trim();
                }

                FpDao = new FingerprintDao(Database, FingerprintType);
                List <FingerprintRec> fpRecList = new List <FingerprintRec>();

                string args = argString.Trim();

                string initialMsg = "Update FingerprintDatabase started: " + args;

                CidList = new List <string>();                // init empty list

                //////////////////////
                /// Corp Database ///
                //////////////////////

                if (CorpDatabase)
                {
                    if (Lex.Eq(args, "Load"))
                    {
                        ByCidRange = true;

                        ShowProgress("Getting range of CorpIds to insert...");

                        maxCorpIdSql = SelectMaxCorpId;                         // get highest id in source db
                        maxSrcId     = SelectSingleValueDao.SelectInt(maxCorpIdSql);
                        if (maxSrcId < 0)
                        {
                            maxSrcId = 0;
                        }

                        maxDestId = GetMaxDestMolId();

                        //maxIdSql2 = "select max(src_compound_id_nbr) from dev_mbs_owner.corp_uc_xref where src_id = 0"; // get highest id in UniChemDb db
                        //highCorpId = SelectSingleValueDao.SelectInt(maxIdSql2);

                        if (maxDestId < 0)
                        {
                            maxDestId = 0;
                        }
                    }

                    else if (Lex.Eq(args, "SinceLastCheckpoint"))
                    {
                        ByCheckpoint = true;

                        ShowProgress("Getting list of CorpIds updated since last checkpoint...");

                        CidList = GetNewAndModifiedCorpIdList(out CidUpdateDateDict);

                        //CidUpdateList = new List<string>(); // debug with single cmpd
                        //CidUpdateList.Add("03435269");

                        if (CidList.Count == 0)
                        {
                            return("There have been no updates since the last checkpoint");
                        }

                        initialMsg += ", CorpIds to add/update: " + CidList.Count;
                    }

                    else if (Lex.StartsWith(args, "ByCorpIdList"))
                    {
                        ByCidList  = true;
                        CorpIdList = args.Substring("ByCorpIdList".Length).Trim();
                        if (Lex.IsUndefined(CorpIdList))
                        {
                            throw new Exception("Undefined CorpId list");
                        }
                    }

                    else if (Lex.StartsWith(args, "LoadMissing"))
                    {
                        LoadIfMissing = true;
                        if (args.Contains(" "))
                        {
                            missingFixCriteria = args.Substring("LoadMissing".Length).Trim();
                        }

                        ShowProgress("Getting list of missing CorpIds...");
                        CidList = GetMissingCidList();
                        if (CidList.Count == 0)
                        {
                            return("There are no missing CorpIds");
                        }
                        initialMsg += ", Missing CorpIds: " + CidList.Count;
                    }

                    else if (int.TryParse(args, out maxSrcId))                     // single CorpId
                    {
                        ByCidRange = true;
                        maxDestId  = maxSrcId - 1;                        // say 1 less is the max we have
                    }

                    else
                    {
                        return(SyntaxMsg);
                    }
                }

                ///////////////////////
                /// ChEMBL Database ///
                ///////////////////////

                else if (ChemblDatabase)
                {
                    if (Lex.Eq(args, "Load"))
                    {
                        ByCidRange = true;

                        ShowProgress("Getting range of MolRegNos to insert...");

                        sql      = "select max(molregno) from chembl_owner.compound_struct_xxxxxx";
                        maxSrcId = SelectSingleValueDao.SelectInt(sql);
                        if (maxSrcId < 0)
                        {
                            maxSrcId = 0;
                        }

                        maxDestId = GetMaxDestMolId();
                        if (maxDestId < 0)
                        {
                            maxDestId = 0;
                        }
                    }

                    else if (Lex.StartsWith(args, "LoadMissing"))
                    {
                        LoadIfMissing = true;
                        ShowProgress("Getting list of missing ChEMBL Ids...");
                        CidList = GetMissingCidList();
                        if (CidList.Count == 0)
                        {
                            return("There are no missing Ids");
                        }
                        initialMsg += ", Missing Chembl Ids: " + CidList.Count;
                    }

                    else
                    {
                        return(SyntaxMsg);
                    }
                }

                else
                {
                    return(SyntaxMsg);
                }

                CidListOriginalCount = CidList.Count;

                Log(initialMsg);

                /////////////////////////////
                // Loop over chunks of data
                /////////////////////////////

                for (int chunk = 1; ; chunk++)
                {
                    //////////////////////
                    /// Corp Database ///
                    //////////////////////

                    if (CorpDatabase)
                    {
                        if (ByCheckpoint)                         // single chunk
                        {
                            string cidList = GetNextListChunk();
                            if (Lex.IsUndefined(cidList))
                            {
                                break;
                            }

                            sql = SelectByCorpIdCriteria;
                            sql = Lex.Replace(sql, "<CorpIdCriteria>", "in (" + cidList + ")");
                            string matchString = "order by m.corp_nbr";
                            if (!Lex.Contains(sql, matchString))
                            {
                                throw new Exception(matchString + " not found");
                            }
                            sql = Lex.Replace(sql, matchString, "order by m.molecule_date");

                            msg = "Processing " + CidListOriginalCount + " updates since " + CheckpointDateTime;
                            // + " (" + Mobius.Data.CidList.FormatCidListForDisplay(null, chunkCidList) + ")";
                        }

                        else if (ByCidRange)                         // by CorpId range
                        {
                            if (maxDestId >= maxSrcId)
                            {
                                break;                                         // done
                            }
                            lowId     = maxDestId + 1;                         // start of next chunk
                            highId    = lowId + ReadChunkSize;
                            maxDestId = highId;

                            //lowCorpId = highCorpId = 12345; // debug

                            if (highId >= maxSrcId)
                            {
                                highId = maxSrcId;
                            }
                            sql = SelectByCorpIdCriteria;
                            sql = Lex.Replace(sql, "<CorpIdCriteria>", "between " + lowId + " and " + highId);

                            msg = "Processing CorpId range: " + lowId + " to " + highId;
                        }

                        else if (ByCidList)                         // by single user-supplied CorpId list
                        {
                            if (chunk > 1)
                            {
                                break;                                        // break 2nd time through
                            }
                            sql = SelectByCorpIdCriteria;
                            sql = Lex.Replace(sql, "<CorpIdCriteria>", "in (" + CorpIdList + ")");
                            msg = "Processing CorpId list: " + CorpIdList;
                        }

                        else if (LoadIfMissing)
                        {
                            string cidList = GetNextListChunk();
                            if (Lex.IsUndefined(cidList))
                            {
                                break;                                                       // all done
                            }
                            sql = SelectByCorpIdCriteria;
                            sql = Lex.Replace(sql, "<CorpIdCriteria>", "in (" + cidList + ")");

                            msg = "Processing missing CorpId Chunk: " + Mobius.Data.CidList.FormatAbbreviatedCidListForDisplay(null, cidList) +
                                  ", Total Ids: " + CidListOriginalCount;

                            Log(msg);
                        }

                        else
                        {
                            return(SyntaxMsg);
                        }
                    }

                    ///////////////////////
                    /// ChEMBL Database ///
                    ///////////////////////

                    else if (ChemblDatabase)
                    {
                        if (ByCidRange)                         // by CID range
                        {
                            if (maxDestId >= maxSrcId)
                            {
                                break;                                         // done
                            }
                            lowId     = maxDestId + 1;                         // start of next chunk
                            highId    = lowId + ReadChunkSize;
                            maxDestId = highId;

                            //lowId =  highId = 12345; // debug

                            if (maxDestId >= maxSrcId)
                            {
                                maxDestId = maxSrcId;
                            }
                            sql = SelectChemblSql;
                            sql = Lex.Replace(sql, "<molregnoCriteria>", "between " + lowId + " and " + highId);

                            msg = "Processing ChEMBL MolRegNo range: " + lowId + " to " + highId;
                        }

                        else if (LoadIfMissing)
                        {
                            string cidList = GetNextListChunk();
                            if (Lex.IsUndefined(cidList))
                            {
                                break;                                                       // all done
                            }
                            sql = SelectByCorpIdCriteria;
                            sql = Lex.Replace(sql, "<CorpIdCriteria>", "in (" + cidList + ")");

                            msg = "Processing missing ChEMBL Id Chunk: " + Mobius.Data.CidList.FormatAbbreviatedCidListForDisplay(null, cidList) +
                                  ", Total Ids: " + CidListOriginalCount;
                        }

                        else
                        {
                            return(SyntaxMsg);
                        }
                    }

                    else
                    {
                        return(SyntaxMsg);
                    }

                    ShowProgress(msg);

                    // Execute the SQL to get the rows for the chunk

                    DbCommandMx rdr = DbCommandMx.PrepareAndExecuteReader(sql);
                    DateTime    lastShowProgressTime = DateTime.MinValue;

                    ///////////////////////////////////////////
                    /// Loop over rows in the current chunk ///
                    ///////////////////////////////////////////

                    while (true)
                    {
                        // Update progress display

                        if (DateTime.Now.Subtract(lastShowProgressTime).TotalSeconds > 1)                         // show progress
                        {
                            int storeTotalCount = storeCount + storeChunkCount;

                            string msg2 = msg + "\r\n" +
                                          "Reads: " + readCount + "\r\n" +
                                          "Undefined: " + NewUndefinedStructureCids.Count + "\r\n" +
                                          "Insert/Updates: " + storeTotalCount + "\r\n" +
                                          "Failures: " + FailureCount + "\r\n" +
                                          "Failure Types: " + Failures.Count + "\r\n" +
                                          "Last Failure: " + LastFailure;

                            ShowProgress(msg2);
                            lastShowProgressTime = DateTime.Now;
                        }

                        // Read and process next compound

                        bool readOk = rdr.Read();

                        if (readOk)
                        {
                            readCount++;

                            try
                            {
                                double   t1 = 0, t2 = 0, t3 = 0, t4 = 0;
                                DateTime t0 = DateTime.Now;
                                mol = null;
                                //t2 = TimeOfDay.Delta(ref t0);

                                //////////////////////
                                /// Corp Database ///
                                //////////////////////

                                if (CorpDatabase)
                                {
                                    CorpId = rdr.GetInt(0);                                     // corp_nbr
                                    //Log("CorpId: " + CorpId); // debug
                                    molId = CorpId;
                                    cid   = CorpId.ToString();
                                    cid   = CompoundId.NormalizeForDatabase(cid);

                                    if (!rdr.IsNull(1))                                     // be sure chime field isn't null
                                    {
                                        chime = rdr.GetClob(1);
                                        if (Lex.IsDefined(chime))
                                        {
                                            molFile = MoleculeMx.ChimeStringToMolfileString(chime);                                             // convert Chime to MolFile
                                            mol     = new MoleculeMx(MoleculeFormat.Molfile, molFile);
                                        }
                                    }

                                    MoleculeDateTime = rdr.GetDateTimeByName("Molecule_Date");                                     // Date molecule was updated in the CorpDB cartridge DB
                                }

                                ///////////////////////
                                /// ChEMBL Database ///
                                ///////////////////////

                                else                                 // chembl
                                {
                                    molId  = molregno = rdr.GetInt(0);
                                    cid    = chemblId = rdr.GetString(1);
                                    smiles = rdr.GetString(2);
                                    if (Lex.IsDefined(smiles))
                                    {
                                        mol = new MoleculeMx(MoleculeFormat.Smiles, smiles);
                                    }
                                }

                                if (MoleculeMx.IsUndefined(mol) || mol.AtomCount <= 1)
                                {
                                    NewUndefinedStructureCids.Add(cid);
                                    continue;
                                    //mol = new AtomContainer(); // write empty structure
                                }

                                bool includeOverallFingerprint = true;
                                List <BitSetFingerprint> fps   = CdkMol.BuildBitSetFingerprints(mol.MolfileString, includeOverallFingerprint, FingerprintType);

                                //t3 = TimeOfDay.Delta(ref t0);

                                foreach (BitSetFingerprint fp in fps)
                                {
                                    FingerprintRec fpr = new FingerprintRec();
                                    fpr.molId       = molId;
                                    fpr.SrcId       = SrcDbId;
                                    fpr.Cid         = cid;
                                    fpr.Cardinality = fp.cardinality();
                                    fpr.Fingerprint = fp.asBitSet().toLongArray();
                                    fpRecList.Add(fpr);
                                }

                                //t4 = TimeOfDay.Delta(ref t0);
                                t4 = t4;
                            }

                            catch (Exception ex)
                            {
                                if (!Failures.ContainsKey(ex.Message))
                                {
                                    Failures.Add(ex.Message, cid);
                                }

                                else
                                {
                                    Failures[ex.Message] += ", " + cid;
                                }

                                LastFailure = "Cid: " + cid + " - " + ex.Message;

                                Log(LastFailure);

                                //ShowProgress(ex.Message + "\r\n" + ex.StackTrace.ToString()); // debug

                                FailureCount++;

                                continue;
                            }

                            storeChunkCount++;
                        }

                        bool commitTransaction = (storeChunkCount >= WriteChunkSize || (!readOk && storeChunkCount > 0));
                        if (commitTransaction)                         // end of chunk of data to store?
                        {
                            // if updating by CheckPoint date range then merge existing data with new/updated data

                            if (ByCheckpoint)
                            {
                                if (readCount > 0 && (storeCount > 0 || FailureCount == 0))                                 // make sure not everything has failed)
                                {
                                    MergeRecordsIntoFiles(fpRecList);
                                }
                            }

                            // Simple append of records to files

                            else
                            {
                                FpDao.OpenWriters("bin", FileMode.Append);                                // open bin files for append

                                foreach (FingerprintRec fpr in fpRecList)                                 // write out buffered recs
                                {
                                    FpDao.WriteFingerprintRec(fpr);
                                }

                                FpDao.CloseWriters();

                                int cnt = fpRecList.Count;
                                if (cnt > 0)
                                {
                                    string cid1 = fpRecList[0].Cid;
                                    string cid2 = fpRecList[cnt - 1].Cid;
                                    Log("Records Appended: " + cnt + ", CIDS: " + cid1 + " - " + cid2);
                                }
                                else
                                {
                                    Log("Records Appended: 0");
                                }
                            }

                            fpRecList.Clear();

                            storeCount     += storeChunkCount;
                            storeChunkCount = 0;
                        }


                        if (!readOk)
                        {
                            break;
                        }
                    }                     // end of read loop for rows in a chunk

                    rdr.Dispose();
                }                 // end for loop of chunks

                DeleteTempFiles();

                if (LoadIfMissing)                 // update list of cids with missing structures
                {
                    ExistingUndefinedStructureCids.UnionWith(NewUndefinedStructureCids);
                    FpDao.WriteUndefinedStructuresCids(ExistingUndefinedStructureCids);
                }

                msg = "*** Update Complete ***\r\n\r\n" + msg;
                ShowProgress(msg);
                System.Threading.Thread.Sleep(100);

                string logMsg = "UpdateFingerprintDb - CIDs stored: " + storeCount + ", Undefined structures: " + NewUndefinedStructureCids.Count + ", failures: " + FailureCount + "\r\n";

                foreach (string key in Failures.Keys)
                {
                    logMsg += key + " - CIDs: " + Failures[key] + "\r\n";
                }

                Log(logMsg);

                return(logMsg);
            }             // end of main try loop

            catch (Exception ex)
            {
                Log(DebugLog.FormatExceptionMessage(ex));
                throw new Exception(ex.Message, ex);
            }
        }