示例#1
0
 private LocalDB(string path, SQLite.SQLiteOpenFlags flags) : base(new FileInfo(path).GetFullNameWithCorrectCase(), flags)
 {
     Printer.PrintDiagnostics("Local DB Open.");
     if ((flags & SQLite.SQLiteOpenFlags.Create) != 0)
     {
         PrepareTables();
     }
 }
示例#2
0
        private WorkspaceDB(string path, SQLite.SQLiteOpenFlags flags, LocalDB localDB) : base(path, flags)
        {
            Printer.PrintDiagnostics("Metadata DB Open.");
            EnableWAL     = true;
            LocalDatabase = localDB;

            if (ExecuteScalar <string>("SELECT name FROM sqlite_master WHERE type = 'table' AND name = 'FormatInfo';") != "FormatInfo")
            {
                CreateTable <Objects.FormatInfo>();
            }
            if (flags.HasFlag(SQLite.SQLiteOpenFlags.Create))
            {
                ExecuteDirect("PRAGMA main.page_size = 4096;");
                ExecuteDirect("PRAGMA main.cache_size = 10240;");
                ExecuteDirect("PRAGMA temp_store = MEMORY;");
                ExecuteDirect("PRAGMA threads = 2;");
                EnableWAL = true;
                PrepareTables();
                return;
            }

            if (!ValidForUpgrade)
            {
                return;
            }

            if (Format.InternalFormat < InternalDBVersion)
            {
                try
                {
                    var fmt         = Format;
                    int priorFormat = fmt.InternalFormat;

                    if (priorFormat < 42)
                    {
                        ExecuteDirect("DROP TABLE Annotation");
                        ExecuteDirect("DROP TABLE AnnotationJournal");
                        ExecuteDirect("DROP TABLE TagJournal");
                        ExecuteDirect("DROP TABLE Tag");
                    }
                    BeginExclusive(true);
                    Printer.PrintMessage("Updating workspace database version from v{0} to v{1}", Format.InternalFormat, InternalDBVersion);
                    PrepareTables();
                    if (priorFormat < 42)
                    {
                        RunConsistencyCheck();
                    }
                    if (priorFormat < 33)
                    {
                        foreach (var x in Table <Record>().ToList())
                        {
                            if (x.Parent.HasValue)
                            {
                                Record rp = Find <Record>(x.Parent.Value);
                                if (rp == null)
                                {
                                    Printer.PrintMessage("Found missing parent for record ID {0} - parent ID: {1}, attempting to fix.", x.Id, x.Parent.Value);
                                    Printer.PrintMessage(" - Record {0} - {1}", Find <ObjectName>(x.CanonicalNameId).CanonicalName, x.Fingerprint);

                                    var alterations     = Query <Alteration>("SELECT * from Alteration where Alteration.NewRecord = ?", x.Id);
                                    var possibleParents = alterations.Where(z => z.PriorRecord.HasValue).Select(z => z.PriorRecord.Value).Distinct().ToList();

                                    Printer.PrintMessage(" - Found {0} possible parents for this record.", possibleParents.Count);
                                    if (possibleParents.Count == 1)
                                    {
                                        Printer.PrintMessage(" - Updating parent record to ID {0}", possibleParents[0]);
                                        x.Parent = possibleParents[0];
                                    }
                                    else
                                    {
                                        if (possibleParents.Count > 0)
                                        {
                                            Printer.PrintMessage(" - Data is ambiguous, removing parent record.");
                                        }
                                        else
                                        {
                                            Printer.PrintMessage(" - No parents found, removing parent record.");
                                        }
                                        x.Parent = null;
                                    }
                                    Update(x);
                                }
                            }
                        }
                    }
                    if (priorFormat < 32)
                    {
                        int count = 0;
                        foreach (var x in Table <Objects.Version>())
                        {
                            if (x.Message != null && x.Message.StartsWith("Automatic merge of"))
                            {
                                var mergeInfos = Table <MergeInfo>().Where(y => y.DestinationVersion == x.ID).ToList();
                                if (mergeInfos.Count == 1)
                                {
                                    mergeInfos[0].Type = MergeType.Automatic;
                                    Update(mergeInfos[0]);
                                    count++;
                                }
                            }
                        }
                        Printer.PrintMessage("Updated #b#{0}## merge info records.", count);
                    }
                    if (priorFormat < 31)
                    {
                        Dictionary <long, Record> recordMap = new Dictionary <long, Record>();
                        foreach (var x in Table <Record>().ToList())
                        {
                            recordMap[x.Id] = x;
                        }

                        foreach (var x in Table <Record>().ToList())
                        {
                            if (x.Parent.HasValue && !recordMap.ContainsKey(x.Parent.Value))
                            {
                                x.Parent = null;
                                Update(x);
                            }
                        }
                    }
                    if (priorFormat < 30)
                    {
                        foreach (var x in Table <Objects.Version>().ToList())
                        {
                            x.Snapshot = null;
                            Update(x);
                            var alterations = Table <Objects.Alteration>().Where(z => z.Owner == x.AlterationList);
                            Dictionary <long, bool> moveDeletes = new Dictionary <long, bool>();
                            HashSet <long>          deletions   = new HashSet <long>();
                            int counter = 0;
                            foreach (var s in alterations)
                            {
                                if (s.Type == AlterationType.Move)
                                {
                                    if (moveDeletes.ContainsKey(s.PriorRecord.Value))
                                    {
                                        moveDeletes[s.PriorRecord.Value] = false;
                                    }
                                    else
                                    {
                                        moveDeletes[s.PriorRecord.Value] = true;
                                    }
                                }
                            }
                            foreach (var s in alterations)
                            {
                                if (s.Type == AlterationType.Move)
                                {
                                    if (moveDeletes[s.PriorRecord.Value] == false)
                                    {
                                        s.Type = AlterationType.Copy;
                                        Update(s);
                                        deletions.Add(s.PriorRecord.Value);
                                        counter++;
                                    }
                                }
                            }
                            foreach (var s in deletions)
                            {
                                Alteration alt = new Alteration()
                                {
                                    PriorRecord = s, Type = AlterationType.Delete, Owner = x.AlterationList
                                };
                                Insert(alt);
                            }
                            if (counter > 0)
                            {
                                Printer.PrintDiagnostics("Version {0} had {1} multiple-moves that have been fixed.", x.ShortName, counter);
                            }
                        }
                    }
                    if (priorFormat < 30)
                    {
                        foreach (var x in Table <Objects.Version>().ToList())
                        {
                            x.Snapshot = null;
                            Update(x);
                            var alterations = Table <Objects.Alteration>().Where(z => z.Owner == x.AlterationList);
                            HashSet <Tuple <AlterationType, long?, long?> > duplicateAlterations = new HashSet <Tuple <AlterationType, long?, long?> >();
                            int counter = 0;
                            foreach (var s in alterations)
                            {
                                var key = new Tuple <AlterationType, long?, long?>(s.Type, s.NewRecord, s.PriorRecord);
                                if (duplicateAlterations.Contains(key))
                                {
                                    Delete(s);
                                    counter++;
                                }
                                else
                                {
                                    duplicateAlterations.Add(key);
                                }
                            }
                            if (counter > 0)
                            {
                                Printer.PrintDiagnostics("Version {0} had {1} duplicated alterations that have been fixed.", x.ShortName, counter);
                            }
                        }
                    }

                    DropTable <Objects.FormatInfo>();
                    fmt.InternalFormat = InternalDBVersion;
                    CreateTable <Objects.FormatInfo>();
                    Insert(fmt);

                    Commit();

                    Vacuum();
                }
                catch (Exception e)
                {
                    Rollback();
                    Printer.PrintError("Couldn't update DB: {0}", e.ToString());
                }
                PrepareTables();
            }
        }