ExecuteScalar() public method

public ExecuteScalar ( ) : object
return object
Example #1
0
        public int InsertBinaryProperty(int versionId, int propertyTypeId, BinaryDataValue value, bool isNewNode)
        {
            if (value.Stream != null && value.Stream.Length > Int32.MaxValue)
            {
                throw new NotSupportedException(); // MS-SQL does not support stream size over [Int32.MaxValue]
            }
            SqlProcedure cmd = null;
            int          id;

            try
            {
                cmd = new SqlProcedure {
                    CommandText = (isNewNode ? INSERT_BINARY_PROPERTY : DELETE_AND_INSERT_BINARY_PROPERTY), CommandType = CommandType.Text
                };
                cmd.Parameters.Add("@VersionId", SqlDbType.Int).Value           = (versionId != 0) ? (object)versionId : DBNull.Value;
                cmd.Parameters.Add("@PropertyTypeId", SqlDbType.Int).Value      = (propertyTypeId != 0) ? (object)propertyTypeId : DBNull.Value;
                cmd.Parameters.Add("@ContentType", SqlDbType.VarChar, 50).Value = value.ContentType;
                cmd.Parameters.Add("@FileNameWithoutExtension", SqlDbType.VarChar, 450).Value = value.FileName.FileNameWithoutExtension == null ? DBNull.Value : (object)value.FileName.FileNameWithoutExtension;
                cmd.Parameters.Add("@Extension", SqlDbType.VarChar, 50).Value = ValidateExtension(value.FileName.Extension);
                cmd.Parameters.Add("@Size", SqlDbType.BigInt).Value           = value.Size;
                cmd.Parameters.Add("@Checksum", SqlDbType.VarChar, 200).Value = (value.Checksum != null) ? (object)value.Checksum : DBNull.Value;

                if (value.Stream != null && value.Stream.Length > 0)
                {
                    var streamSize = Convert.ToInt32(value.Stream.Length);
                    var buffer     = new byte[streamSize];
                    value.Stream.Seek(0, SeekOrigin.Begin);
                    value.Stream.Read(buffer, 0, streamSize);

                    cmd.Parameters.Add(new SqlParameter("@Value", SqlDbType.VarBinary)).Value = buffer;
                }
                else
                {
                    cmd.Parameters.Add(new SqlParameter("@Value", SqlDbType.VarBinary)).Value = DBNull.Value;
                }

                id = Convert.ToInt32(cmd.ExecuteScalar(), CultureInfo.CurrentCulture);
            }
            finally
            {
                if (cmd != null)
                {
                    cmd.Dispose();
                }
            }

            return(id);
        }
Example #2
0
        public int InsertBinaryPropertyOld(int versionId, int propertyTypeId, BinaryDataValue value)
        {
            if (value.Stream != null && value.Stream.Length > Int32.MaxValue)
            {
                throw new NotSupportedException(); // MS-SQL does not support stream size over [Int32.MaxValue]
            }
            SqlProcedure cmd = null;
            //object pointer;
            int id = 0;

            try
            {
                cmd = new SqlProcedure {
                    CommandText = "proc_BinaryProperty_Insert"
                };
                cmd.Parameters.Add("@VersionId", SqlDbType.Int).Value           = (versionId != 0) ? (object)versionId : DBNull.Value;
                cmd.Parameters.Add("@PropertyTypeId", SqlDbType.Int).Value      = (propertyTypeId != 0) ? (object)propertyTypeId : DBNull.Value;
                cmd.Parameters.Add("@ContentType", SqlDbType.VarChar, 50).Value = value.ContentType;
                cmd.Parameters.Add("@FileNameWithoutExtension", SqlDbType.VarChar, 450).Value = value.FileName.FileNameWithoutExtension == null ? (object)DBNull.Value : (object)value.FileName.FileNameWithoutExtension;
                cmd.Parameters.Add("@Extension", SqlDbType.VarChar, 50).Value = ValidateExtension(value.FileName.Extension);
                cmd.Parameters.Add("@Size", SqlDbType.BigInt).Value           = value.Size;
                cmd.Parameters.Add("@Checksum", SqlDbType.VarChar, 200).Value = (value.Checksum != null) ? (object)value.Checksum : DBNull.Value;;

                //SqlParameter pointerParameter = cmd.Parameters.Add("@Pointer", SqlDbType.Binary, 16);
                //pointerParameter.Direction = ParameterDirection.Output;

                id = Convert.ToInt32(cmd.ExecuteScalar(), CultureInfo.CurrentCulture);
                //pointer = pointerParameter.Value;
            }
            finally
            {
                cmd.Dispose();
            }

            if (value.Stream != null && value.Stream.Length > 0)
            {
                // Stream exists -> write it
                WriteBinaryStream(value.Stream, id);
            }

            return(id);
        }
Example #3
0
        internal static byte[] ReadRandom(BlobStorageContext context, long offset, int count)
        {
            var commandText = LoadBinaryFragmentScript;

            byte[] result;

            using (var cmd = new SqlProcedure {
                CommandText = commandText
            })
            {
                cmd.Parameters.Add("@FileId", SqlDbType.Int).Value      = context.FileId;
                cmd.Parameters.Add("@Position", SqlDbType.BigInt).Value = offset + 1;
                cmd.Parameters.Add("@Count", SqlDbType.Int).Value       = count;
                cmd.CommandType = CommandType.Text;

                result = (byte[])cmd.ExecuteScalar();
            }

            return(result);
        }
        /// <summary>
        /// Returns whether the FileStream feature is enabled in the blob provider or not.
        /// </summary>
        /// <returns></returns>
        public bool IsFilestreamEnabled()
        {
            bool         fsEnabled;
            const string sql = "SELECT COUNT(name) FROM sys.columns WHERE Name = N'FileStream' and Object_ID = Object_ID(N'Files')";

            using (var pro = new SqlProcedure {
                CommandText = sql, CommandType = CommandType.Text
            })
            {
                try
                {
                    fsEnabled = Convert.ToInt32(pro.ExecuteScalar()) > 0;
                }
                catch (Exception ex)
                {
                    SnLog.WriteException(ex);
                    fsEnabled = false;
                }
            }
            return(fsEnabled);
        }
        /// <summary>
        /// Inserts a new binary record into the metadata database containing an already exising file id,
        /// removing the previous record if the content is not new.
        /// </summary>
        /// <param name="value">Binary data to insert.</param>
        /// <param name="versionId">Content version id.</param>
        /// <param name="propertyTypeId">Binary property type id.</param>
        /// <param name="isNewNode">Whether this value belongs to a new or an existing node.</param>
        public void InsertBinaryPropertyWithFileId(BinaryDataValue value, int versionId, int propertyTypeId, bool isNewNode)
        {
            SqlProcedure cmd = null;
            int          id;

            try
            {
                cmd = new SqlProcedure
                {
                    CommandText = isNewNode ? InsertBinaryPropertyWithKnownFileIdScript : DeleteAndInsertBinaryPropertyWithKnownFileId,
                    CommandType = CommandType.Text
                };
                cmd.Parameters.Add("@VersionId", SqlDbType.Int).Value      = versionId != 0 ? (object)versionId : DBNull.Value;
                cmd.Parameters.Add("@PropertyTypeId", SqlDbType.Int).Value = propertyTypeId != 0 ? (object)propertyTypeId : DBNull.Value;
                cmd.Parameters.Add("@FileId", SqlDbType.Int).Value         = value.FileId;
                id = (int)cmd.ExecuteScalar();
            }
            finally
            {
                cmd?.Dispose();
            }

            value.Id = id;
        }
Example #6
0
 protected internal override string LoadTextPropertyValue(int versionId, int propertyTypeId)
 {
     SqlProcedure cmd = null;
     try
     {
         cmd = new SqlProcedure { CommandText = "proc_TextProperty_LoadValue" };
         cmd.Parameters.Add("@VersionId", SqlDbType.Int).Value = versionId;
         cmd.Parameters.Add("@PropertyTypeId", SqlDbType.Int).Value = propertyTypeId;
         var s = (string)cmd.ExecuteScalar();
         return s;
     }
     finally
     {
         cmd.Dispose();
     }
 }
Example #7
0
        protected internal override int InstanceCount(int[] nodeTypeIds)
        {
            var sql = new StringBuilder("SELECT COUNT(*) FROM Nodes WHERE NodeTypeId");
            if (nodeTypeIds.Length == 1)
                sql.Append(" = ").Append(nodeTypeIds[0]);
            else
                sql.Append(" IN (").Append(String.Join(", ", nodeTypeIds)).Append(")");

            var cmd = new SqlProcedure { CommandText = sql.ToString(), CommandType = CommandType.Text }; ;
            try
            {
                var count = (int)cmd.ExecuteScalar();
                return count;
            }
            finally
            {
                cmd.Dispose();
            }

        }
Example #8
0
        //====================================================== Powershell provider

        protected internal override int InitializeStagingBinaryData(int versionId, int propertyTypeId, string fileName, long fileSize)
        {
            var sql = @"
                INSERT INTO StagingBinaryProperties ( VersionId,  PropertyTypeId,  ContentType,  FileNameWithoutExtension,  Extension,  Size,  Stream) VALUES
                                                    (@VersionId, @PropertyTypeId, @ContentType, @FileNameWithoutExtension, @Extension, @Size,    0x00)
                SELECT @@IDENTITY";
            using (var cmd = new SqlProcedure { CommandText = sql, CommandType = CommandType.Text })
            {
                var fName = Path.GetFileNameWithoutExtension(fileName);
                var ext = Path.GetExtension(fileName);
                var mime =  MimeTable.GetMimeType(ext.ToLower(CultureInfo.InvariantCulture));
                cmd.Parameters.Add(new SqlParameter("@VersionId", SqlDbType.Int)).Value = versionId;
                cmd.Parameters.Add(new SqlParameter("@PropertyTypeId", SqlDbType.Int)).Value = propertyTypeId;
                cmd.Parameters.Add(new SqlParameter("@ContentType", SqlDbType.VarChar, 50)).Value = mime;
                cmd.Parameters.Add(new SqlParameter("@FileNameWithoutExtension", SqlDbType.NVarChar, 450)).Value = fName;
                cmd.Parameters.Add(new SqlParameter("@Extension", SqlDbType.NVarChar, 450)).Value = ext;
                cmd.Parameters.Add(new SqlParameter("@Size", SqlDbType.BigInt)).Value = fileSize;
                var result = cmd.ExecuteScalar();
                return Convert.ToInt32(result);
            }
        }
Example #9
0
 public override int GetLastActivityId()
 {
     using (var cmd = new SqlProcedure { CommandText = GETLASTACTIVITYIDSCRIPT, CommandType = CommandType.Text })
     {
         var x = cmd.ExecuteScalar();
         if (x == DBNull.Value)
             return 0;
         return Convert.ToInt32(x);
     }
 }
Example #10
0
 public override string GetNameOfLastNodeWithNameBase(int parentId, string namebase, string extension)
 {
     var cmd = new SqlProcedure { CommandText = "SELECT TOP 1 Name FROM Nodes WHERE ParentNodeId=@ParentId AND Name LIKE @Name+'(%)' + @Extension ORDER BY LEN(Name) DESC, Name DESC", CommandType = CommandType.Text };
     cmd.Parameters.Add("@ParentId", SqlDbType.Int).Value = parentId;
     cmd.Parameters.Add("@Name", SqlDbType.NVarChar).Value = namebase;
     cmd.Parameters.Add("@Extension", SqlDbType.NVarChar).Value = extension;
     try
     {
         var lastName = (string)cmd.ExecuteScalar();
         return lastName;
     }
     finally
     {
         if (cmd != null)
             cmd.Dispose();
     }
 }
Example #11
0
        public int InsertBinaryProperty(int versionId, int propertyTypeId, BinaryDataValue value, bool isNewNode)
        {
            if (value.Stream != null && value.Stream.Length > Int32.MaxValue)
                throw new NotSupportedException(); // MS-SQL does not support stream size over [Int32.MaxValue]

            SqlProcedure cmd = null;
            int id;

            try
            {
                cmd = new SqlProcedure { CommandText = (isNewNode ? INSERT_BINARY_PROPERTY : DELETE_AND_INSERT_BINARY_PROPERTY), CommandType = CommandType.Text };
                cmd.Parameters.Add("@VersionId", SqlDbType.Int).Value = (versionId != 0) ? (object)versionId : DBNull.Value;
                cmd.Parameters.Add("@PropertyTypeId", SqlDbType.Int).Value = (propertyTypeId != 0) ? (object)propertyTypeId : DBNull.Value;
                cmd.Parameters.Add("@ContentType", SqlDbType.VarChar, 50).Value = value.ContentType;
                cmd.Parameters.Add("@FileNameWithoutExtension", SqlDbType.VarChar, 450).Value = value.FileName.FileNameWithoutExtension == null ? DBNull.Value : (object)value.FileName.FileNameWithoutExtension;
                cmd.Parameters.Add("@Extension", SqlDbType.VarChar, 50).Value = ValidateExtension(value.FileName.Extension);
                cmd.Parameters.Add("@Size", SqlDbType.BigInt).Value = value.Size;
                cmd.Parameters.Add("@Checksum", SqlDbType.VarChar, 200).Value = (value.Checksum != null) ? (object)value.Checksum : DBNull.Value;

                if (value.Stream != null && value.Stream.Length > 0)
                {
                    var streamSize = Convert.ToInt32(value.Stream.Length);
                    var buffer = new byte[streamSize];
                    value.Stream.Seek(0, SeekOrigin.Begin);
                    value.Stream.Read(buffer, 0, streamSize);

                    cmd.Parameters.Add(new SqlParameter("@Value", SqlDbType.VarBinary)).Value = buffer;
                }
                else
                {
                    cmd.Parameters.Add(new SqlParameter("@Value", SqlDbType.VarBinary)).Value = DBNull.Value;
                }

                id = Convert.ToInt32(cmd.ExecuteScalar(), CultureInfo.CurrentCulture);
            }
            finally
            {
                if (cmd != null)
                    cmd.Dispose();
            }

            return id;
        }
Example #12
0
        protected internal override int GetUserIdByUploadGuid(Guid uploadGuid)
        {
            SqlProcedure cmd = null;
            int result;
            try
            {
                cmd = new SqlProcedure { CommandText = "proc_ApplicationMessaging_GetUserIdByUploadGuid" };
                cmd.Parameters.Add("@Token", SqlDbType.UniqueIdentifier).Value = uploadGuid;
                result = (int)cmd.ExecuteScalar();
            }
            finally
            {
                cmd.Dispose();
            }

            return result;
        }
Example #13
0
 protected override int VersionCount(string path)
 {
     var proc = new SqlProcedure();
     proc.CommandType = CommandType.Text;
     if (String.IsNullOrEmpty(path) || path == RepositoryPath.PathSeparator)
     {
         proc.CommandText = "SELECT COUNT(*) FROM Versions V JOIN Nodes N ON N.NodeId = V.NodeId";
     }
     else
     {
         proc.CommandText = "SELECT COUNT(*) FROM Versions V JOIN Nodes N ON N.NodeId = V.NodeId WHERE N.Path LIKE @Path + '/%'";
         proc.Parameters.Add("@Path", SqlDbType.NVarChar, 450).Value = path;
     }
     return (int)proc.ExecuteScalar();
 }
Example #14
0
        protected internal override long GetTreeSize(string path, bool includeChildren)
        {
            SqlProcedure cmd = null;
            long result;
            try
            {
                cmd = new SqlProcedure { CommandText = "proc_Node_GetTreeSize" };
                cmd.Parameters.Add("@NodePath", SqlDbType.NVarChar, 450).Value = path;
                cmd.Parameters.Add("@IncludeChildren", SqlDbType.TinyInt).Value = includeChildren ? 1 : 0;

                var obj = cmd.ExecuteScalar();

                result = (obj == DBNull.Value) ? 0 : (long)obj;
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (cmd != null)
                    cmd.Dispose();
            }

            if (result == -1)
                throw new ApplicationException();

            return result;
        }
Example #15
0
        protected internal override bool HasChild(int nodeId)
        {
            SqlProcedure cmd = null;
            int result;
            try
            {
                cmd = new SqlProcedure { CommandText = "proc_Node_HasChild" };
                cmd.Parameters.Add("@NodeId", SqlDbType.Int).Value = nodeId;
                result = (int)cmd.ExecuteScalar();
            }
            finally
            {
                cmd.Dispose();
            }

            if (result == -1)
                throw new ApplicationException();

            return result > 0;
        }
        /// <summary>
        /// Updates an existing binary property value in the database and the blob storage.
        /// </summary>
        /// <param name="blobProvider">Blob storage provider.</param>
        /// <param name="value">Binary data to update.</param>
        public void UpdateBinaryProperty(IBlobProvider blobProvider, BinaryDataValue value)
        {
            var streamLength = value.Stream?.Length ?? 0;

            if (blobProvider != BlobStorageBase.BuiltInProvider && streamLength > 0)
            {
                var ctx = new BlobStorageContext(blobProvider, value.BlobProviderData)
                {
                    VersionId      = 0,
                    PropertyTypeId = 0,
                    FileId         = value.FileId,
                    Length         = streamLength,
                    UseFileStream  = false
                };

                blobProvider.Allocate(ctx);
                using (var stream = blobProvider.GetStreamForWrite(ctx))
                    value.Stream?.CopyTo(stream);

                value.BlobProviderName = ctx.Provider.GetType().FullName;
                value.BlobProviderData = BlobStorageContext.SerializeBlobProviderData(ctx.BlobProviderData);
            }
            else
            {
                value.BlobProviderName = null;
                value.BlobProviderData = null;
            }

            if (blobProvider == BlobStorageBase.BuiltInProvider && !BlobStorage.FileStreamEnabled)
            {
                // MS-SQL does not support stream size over [Int32.MaxValue],
                // but check only if Filestream is not enabled
                if (streamLength > int.MaxValue)
                {
                    throw new NotSupportedException();
                }
            }

            var isRepositoryStream = value.Stream is RepositoryStream || value.Stream is SenseNetSqlFileStream;
            var hasStream          = isRepositoryStream || value.Stream is MemoryStream;

            if (!hasStream)
            {
                // do not do any database operation if the stream is not modified
                return;
            }

            FileStreamData fileStreamData = null;
            SqlProcedure   cmd            = null;

            try
            {
                string      sql;
                CommandType commandType;
                if (blobProvider == BlobStorageBase.BuiltInProvider)
                {
                    commandType = CommandType.StoredProcedure;
                    sql         = "proc_BinaryProperty_Update";
                }
                else
                {
                    commandType = CommandType.Text;
                    sql         = BlobStorage.FileStreamEnabled
                        ? UpdateBinarypropertyNewFilerowFilestreamScript
                        : UpdateBinarypropertyNewFilerowScript;
                }

                cmd = new SqlProcedure {
                    CommandText = sql, CommandType = commandType
                };
                cmd.Parameters.Add("@BinaryPropertyId", SqlDbType.Int).Value      = value.Id;
                cmd.Parameters.Add("@ContentType", SqlDbType.NVarChar, 450).Value = value.ContentType;
                cmd.Parameters.Add("@FileNameWithoutExtension", SqlDbType.NVarChar, 450).Value = value.FileName.FileNameWithoutExtension == null ? DBNull.Value : (object)value.FileName.FileNameWithoutExtension;
                cmd.Parameters.Add("@Extension", SqlDbType.NVarChar, 50).Value     = ValidateExtension(value.FileName.Extension);
                cmd.Parameters.Add("@Size", SqlDbType.BigInt).Value                = value.Size;
                cmd.Parameters.Add("@Checksum", SqlDbType.VarChar, 200).Value      = value.Checksum != null ? (object)value.Checksum : DBNull.Value;
                cmd.Parameters.Add("@BlobProvider", SqlDbType.NVarChar, 450).Value = value.BlobProviderName != null ? (object)value.BlobProviderName : DBNull.Value;
                cmd.Parameters.Add("@BlobProviderData", SqlDbType.NVarChar, int.MaxValue).Value = value.BlobProviderData != null ? (object)value.BlobProviderData : DBNull.Value;

                int fileId;
                if (BlobStorage.FileStreamEnabled)
                {
                    string path;
                    byte[] transactionContext;

                    // Update row and retrieve file path and
                    // transaction context for the Filestream column
                    using (var reader = cmd.ExecuteReader())
                    {
                        reader.Read();

                        fileId             = reader.GetInt32(0);
                        path               = reader.GetSafeString(1);
                        transactionContext = reader.IsDBNull(2) ? null : reader.GetSqlBytes(2).Buffer;
                    }

                    if (!string.IsNullOrEmpty(path))
                    {
                        fileStreamData = new FileStreamData {
                            Path = path, TransactionContext = transactionContext
                        }
                    }
                    ;
                }
                else
                {
                    fileId = (int)cmd.ExecuteScalar();
                }
                if (fileId > 0 && fileId != value.FileId)
                {
                    value.FileId = fileId;
                }
            }
            finally
            {
                cmd?.Dispose();
            }

            // ReSharper disable once InvertIf
            if (blobProvider == BlobStorageBase.BuiltInProvider && !isRepositoryStream && streamLength > 0)
            {
                // Stream exists and is loaded -> write it
                var ctx = new BlobStorageContext(blobProvider, value.BlobProviderData)
                {
                    VersionId        = 0,
                    PropertyTypeId   = 0,
                    FileId           = value.FileId,
                    Length           = streamLength,
                    UseFileStream    = fileStreamData != null,
                    BlobProviderData = new BuiltinBlobProviderData {
                        FileStreamData = fileStreamData
                    }
                };

                BuiltInBlobProvider.UpdateStream(ctx, value.Stream);
            }
        }
        /// <summary>
        /// Updates an existing binary property value in the database and the blob storage.
        /// </summary>
        /// <param name="blobProvider">Blob storage provider.</param>
        /// <param name="value">Binary data to update.</param>
        public void UpdateBinaryProperty(IBlobProvider blobProvider, BinaryDataValue value)
        {
            var streamLength = value.Stream?.Length ?? 0;

            if (blobProvider != BlobStorageBase.BuiltInProvider && streamLength > 0)
            {
                var ctx = new BlobStorageContext(blobProvider, value.BlobProviderData)
                {
                    VersionId      = 0,
                    PropertyTypeId = 0,
                    FileId         = value.FileId,
                    Length         = streamLength,
                };

                blobProvider.Allocate(ctx);
                using (var stream = blobProvider.GetStreamForWrite(ctx))
                    value.Stream?.CopyTo(stream);

                value.BlobProviderName = ctx.Provider.GetType().FullName;
                value.BlobProviderData = BlobStorageContext.SerializeBlobProviderData(ctx.BlobProviderData);
            }
            else
            {
                value.BlobProviderName = null;
                value.BlobProviderData = null;
            }

            if (blobProvider == BlobStorageBase.BuiltInProvider)
            {
                // MS-SQL does not support stream size over [Int32.MaxValue].
                if (streamLength > int.MaxValue)
                {
                    throw new NotSupportedException();
                }
            }

            var isRepositoryStream = value.Stream is RepositoryStream;
            var hasStream          = isRepositoryStream || value.Stream is MemoryStream;

            if (!hasStream)
            {
                // do not do any database operation if the stream is not modified
                return;
            }

            SqlProcedure cmd = null;

            try
            {
                string      sql;
                CommandType commandType;
                if (blobProvider == BlobStorageBase.BuiltInProvider)
                {
                    commandType = CommandType.StoredProcedure;
                    sql         = "proc_BinaryProperty_Update";
                }
                else
                {
                    commandType = CommandType.Text;
                    sql         = UpdateBinaryPropertyNewFilerowScript;
                }

                cmd = new SqlProcedure {
                    CommandText = sql, CommandType = commandType
                };
                cmd.Parameters.Add("@BinaryPropertyId", SqlDbType.Int).Value      = value.Id;
                cmd.Parameters.Add("@ContentType", SqlDbType.NVarChar, 450).Value = value.ContentType;
                cmd.Parameters.Add("@FileNameWithoutExtension", SqlDbType.NVarChar, 450).Value = value.FileName.FileNameWithoutExtension == null ? DBNull.Value : (object)value.FileName.FileNameWithoutExtension;
                cmd.Parameters.Add("@Extension", SqlDbType.NVarChar, 50).Value     = ValidateExtension(value.FileName.Extension);
                cmd.Parameters.Add("@Size", SqlDbType.BigInt).Value                = value.Size;
                cmd.Parameters.Add("@Checksum", SqlDbType.VarChar, 200).Value      = value.Checksum != null ? (object)value.Checksum : DBNull.Value;
                cmd.Parameters.Add("@BlobProvider", SqlDbType.NVarChar, 450).Value = value.BlobProviderName != null ? (object)value.BlobProviderName : DBNull.Value;
                cmd.Parameters.Add("@BlobProviderData", SqlDbType.NVarChar, int.MaxValue).Value = value.BlobProviderData != null ? (object)value.BlobProviderData : DBNull.Value;

                var fileId = (int)cmd.ExecuteScalar();
                if (fileId > 0 && fileId != value.FileId)
                {
                    value.FileId = fileId;
                }
            }
            finally
            {
                cmd.Dispose();
            }

            // ReSharper disable once InvertIf
            if (blobProvider == BlobStorageBase.BuiltInProvider && !isRepositoryStream && streamLength > 0)
            {
                // Stream exists and is loaded -> write it
                var ctx = new BlobStorageContext(blobProvider, value.BlobProviderData)
                {
                    VersionId        = 0,
                    PropertyTypeId   = 0,
                    FileId           = value.FileId,
                    Length           = streamLength,
                    BlobProviderData = new BuiltinBlobProviderData()
                };

                BuiltInBlobProvider.UpdateStream(ctx, value.Stream);
            }
        }
Example #18
0
        protected internal override byte[] LoadBinaryFragment(int binaryPropertyId, long position, int count)
        {
            var commandText = @"
            SELECT
                SUBSTRING(Stream, @Position, @Count)
            FROM
	            dbo.BinaryProperties
            WHERE
                BinaryPropertyId = @BinaryPropertyId
            ";

            byte[] result;

            using (var cmd = new SqlProcedure { CommandText = commandText })
            {
                cmd.Parameters.Add("@BinaryPropertyId", SqlDbType.Int).Value = binaryPropertyId;
                cmd.Parameters.Add("@Position", SqlDbType.BigInt).Value = position + 1;
                cmd.Parameters.Add("@Count", SqlDbType.Int).Value = count;
                cmd.CommandType = CommandType.Text;

                result = (byte[])cmd.ExecuteScalar();
            }

            return result;
        }
Example #19
0
 protected override bool NodeExistsInDatabase(string path)
 {
     var cmd = new SqlProcedure { CommandText = "SELECT COUNT(*) FROM Nodes WHERE Path = @Path", CommandType = CommandType.Text };
     cmd.Parameters.Add("@Path", SqlDbType.NVarChar, PathMaxLength).Value = path;
     try
     {
         var count = (int)cmd.ExecuteScalar();
         return count > 0;
     }
     finally
     {
         if (cmd != null)
             cmd.Dispose();
     }
 }
Example #20
0
        public int InsertBinaryPropertyOld(int versionId, int propertyTypeId, BinaryDataValue value)
        {
            if (value.Stream != null && value.Stream.Length > Int32.MaxValue)
                throw new NotSupportedException(); // MS-SQL does not support stream size over [Int32.MaxValue]

            SqlProcedure cmd = null;
            //object pointer;
            int id = 0;
            try
            {
                cmd = new SqlProcedure { CommandText = "proc_BinaryProperty_Insert" };
                cmd.Parameters.Add("@VersionId", SqlDbType.Int).Value = (versionId != 0) ? (object)versionId : DBNull.Value;
                cmd.Parameters.Add("@PropertyTypeId", SqlDbType.Int).Value = (propertyTypeId != 0) ? (object)propertyTypeId : DBNull.Value;
                cmd.Parameters.Add("@ContentType", SqlDbType.VarChar, 50).Value = value.ContentType;
                cmd.Parameters.Add("@FileNameWithoutExtension", SqlDbType.VarChar, 450).Value = value.FileName.FileNameWithoutExtension == null ? (object)DBNull.Value : (object)value.FileName.FileNameWithoutExtension;
                cmd.Parameters.Add("@Extension", SqlDbType.VarChar, 50).Value = ValidateExtension(value.FileName.Extension);
                cmd.Parameters.Add("@Size", SqlDbType.BigInt).Value = value.Size;
                cmd.Parameters.Add("@Checksum", SqlDbType.VarChar, 200).Value = (value.Checksum != null) ? (object)value.Checksum : DBNull.Value; ;

                //SqlParameter pointerParameter = cmd.Parameters.Add("@Pointer", SqlDbType.Binary, 16);
                //pointerParameter.Direction = ParameterDirection.Output;

                id = Convert.ToInt32(cmd.ExecuteScalar(), CultureInfo.CurrentCulture);
                //pointer = pointerParameter.Value;
            }
            finally
            {
                cmd.Dispose();
            }

            if (value.Stream != null && value.Stream.Length > 0)
            {
                // Stream exists -> write it
                WriteBinaryStream(value.Stream, id);
            }

            return id;
        }