Package org.apache.derby.impl.store.raw.data

Examples of org.apache.derby.impl.store.raw.data.OverflowInputStream


                if (!StoredFieldHeader.isNonexistent(fieldStatus))
                {
                    boolean isOverflow =
                        StoredFieldHeader.isOverflow(fieldStatus);

                    OverflowInputStream overflowIn = null;

                    if (isOverflow)
                    {
                        // A fetched long column is returned as a stream
                        long overflowPage   =
                            CompressedNumber.readLong((InputStream) lrdi);

                        int overflowId      =
                            CompressedNumber.readInt((InputStream) lrdi);

                        // Prepare the stream for results...
                        // create the byteHolder the size of a page, so, that it
                        // will fit the field Data that would fit on a page.
                        MemByteHolder byteHolder =
                            new MemByteHolder(pageData.length);

                        overflowIn = new OverflowInputStream(
                            byteHolder, owner, overflowPage,
                            overflowId, recordToLock);
                    }

                    // Deal with Storable columns
View Full Code Here


                        "extensible fields not supported yet");
        }

                Object column     = row[columnId];

        OverflowInputStream overflowIn = null;

        // SRW-DJD code assumes non-extensible case ...

        // field is non-existent, return null
        if (StoredFieldHeader.isNonexistent(fieldStatus))
                {

          if (column instanceof DataValueDescriptor)
                    {
            // RESOLVE - This is in place for 1.2. In the future
            // we may want to return this column as non-existent
            // even if it is a storable column, or maybe use a
                        // supplied default.
            ((DataValueDescriptor) column).restoreToNull();
          }
                    else
                    {
            row[columnId] = null;
          }
          continue;
        }

        boolean isOverflow = StoredFieldHeader.isOverflow(fieldStatus);

        if (isOverflow)
                {

          // A fetched long column needs to be returned as a stream
                    //
          long overflowPage   =
                        CompressedNumber.readLong((InputStream) dataIn);

          int overflowId      =
                        CompressedNumber.readInt((InputStream) dataIn);

          // Prepare the stream for results...
          // create the byteHolder the size of a page, so, that it
                    // will fit the field Data that would fit on a page.
          MemByteHolder byteHolder =
                        new MemByteHolder(pageData.length);

          overflowIn = new OverflowInputStream(
                        byteHolder, owner, overflowPage,
                        overflowId, recordToLock);
        }

        // Deal with Object columns
View Full Code Here

                            "extensible fields not supported yet");
                    }

                    Object              column     = row[columnId];

                    OverflowInputStream overflowIn = null;

                    // SRW-DJD code assumes non-extensible case ...

                    if ((fieldStatus & StoredFieldHeader.FIELD_NONEXISTENT) !=
                                            StoredFieldHeader.FIELD_NONEXISTENT)
                    {
                        // normal path - field exists.

                        boolean isOverflow =
                            ((fieldStatus &
                                  StoredFieldHeader.FIELD_OVERFLOW) != 0);

                        if (isOverflow)
                        {

                            // A fetched long column is returned as a stream

                            long overflowPage   =
                                CompressedNumber.readLong((InputStream) dataIn);

                            int overflowId      =
                                CompressedNumber.readInt((InputStream) dataIn);

                            // Prepare the stream for results...
                            // create the byteHolder the size of a page, so,
                            // that it will fit the field Data that would fit
                            // on a page.

                            MemByteHolder byteHolder =
                                new MemByteHolder(pageData.length);

                            overflowIn = new OverflowInputStream(
                                byteHolder, owner, overflowPage,
                                overflowId, recordToLock);
                        }

                        // Deal with Object columns
View Full Code Here

                if (!StoredFieldHeader.isNonexistent(fieldStatus))
                {
                    boolean isOverflow =
                        StoredFieldHeader.isOverflow(fieldStatus);

                    OverflowInputStream overflowIn = null;

                    if (isOverflow)
                    {
                        // A fetched long column is returned as a stream
                        long overflowPage   =
                            CompressedNumber.readLong((InputStream) lrdi);

                        int overflowId      =
                            CompressedNumber.readInt((InputStream) lrdi);

                        // Prepare the stream for results...
                        // create the byteHolder the size of a page, so, that it
                        // will fit the field Data that would fit on a page.
                        MemByteHolder byteHolder =
                            new MemByteHolder(pageData.length);

                        overflowIn = new OverflowInputStream(
                            byteHolder, owner, overflowPage,
                            overflowId, recordToLock);
                    }

                    // Deal with Storable columns
View Full Code Here

                        "extensible fields not supported yet");
        }

                Object column     = row[columnId];

        OverflowInputStream overflowIn = null;

        // SRW-DJD code assumes non-extensible case ...

        // field is non-existent, return null
        if (StoredFieldHeader.isNonexistent(fieldStatus))
                {

          if (column instanceof DataValueDescriptor)
                    {
            // RESOLVE - This is in place for 1.2. In the future
            // we may want to return this column as non-existent
            // even if it is a storable column, or maybe use a
                        // supplied default.
            ((DataValueDescriptor) column).restoreToNull();
          }
                    else
                    {
            row[columnId] = null;
          }
          continue;
        }

        boolean isOverflow = StoredFieldHeader.isOverflow(fieldStatus);

        if (isOverflow)
                {

          // A fetched long column needs to be returned as a stream
                    //
          long overflowPage   =
                        CompressedNumber.readLong((InputStream) dataIn);

          int overflowId      =
                        CompressedNumber.readInt((InputStream) dataIn);

          // Prepare the stream for results...
          // create the byteHolder the size of a page, so, that it
                    // will fit the field Data that would fit on a page.
          MemByteHolder byteHolder =
                        new MemByteHolder(pageData.length);

          overflowIn = new OverflowInputStream(
                        byteHolder, owner, overflowPage,
                        overflowId, recordToLock);
        }

        // Deal with Object columns
View Full Code Here

                            "extensible fields not supported yet");
                    }

                    Object              column     = row[columnId];

                    OverflowInputStream overflowIn = null;

                    // SRW-DJD code assumes non-extensible case ...

                    if ((fieldStatus & StoredFieldHeader.FIELD_NONEXISTENT) !=
                                            StoredFieldHeader.FIELD_NONEXISTENT)
                    {
                        // normal path - field exists.

                        boolean isOverflow =
                            ((fieldStatus &
                                  StoredFieldHeader.FIELD_OVERFLOW) != 0);

                        if (isOverflow)
                        {

                            // A fetched long column is returned as a stream

                            long overflowPage   =
                                CompressedNumber.readLong((InputStream) dataIn);

                            int overflowId      =
                                CompressedNumber.readInt((InputStream) dataIn);

                            // Prepare the stream for results...
                            // create the byteHolder the size of a page, so,
                            // that it will fit the field Data that would fit
                            // on a page.

                            MemByteHolder byteHolder =
                                new MemByteHolder(pageData.length);

                            overflowIn = new OverflowInputStream(
                                byteHolder, owner, overflowPage,
                                overflowId, recordToLock);
                        }

                        // Deal with Object columns
View Full Code Here

                if (!StoredFieldHeader.isNonexistent(fieldStatus))
                {
                    boolean isOverflow =
                        StoredFieldHeader.isOverflow(fieldStatus);

                    OverflowInputStream overflowIn = null;

                    if (isOverflow)
                    {
                        // A fetched long column is returned as a stream
                        long overflowPage   =
                            CompressedNumber.readLong((InputStream) lrdi);

                        int overflowId      =
                            CompressedNumber.readInt((InputStream) lrdi);

                        // Prepare the stream for results...
                        // create the byteHolder the size of a page, so, that it
                        // will fit the field Data that would fit on a page.
                        MemByteHolder byteHolder =
                            new MemByteHolder(pageData.length);

                        overflowIn = new OverflowInputStream(
                            byteHolder, owner, overflowPage,
                            overflowId, recordToLock);
                    }

                    // Deal with Storable columns
View Full Code Here

                        "extensible fields not supported yet");
        }

                Object column     = row[columnId];

        OverflowInputStream overflowIn = null;

        // SRW-DJD code assumes non-extensible case ...

        // field is non-existent, return null
        if (StoredFieldHeader.isNonexistent(fieldStatus))
                {

          if (column instanceof DataValueDescriptor)
                    {
            // RESOLVE - This is in place for 1.2. In the future
            // we may want to return this column as non-existent
            // even if it is a storable column, or maybe use a
                        // supplied default.
            ((DataValueDescriptor) column).restoreToNull();
          }
                    else
                    {
            row[columnId] = null;
          }
          continue;
        }

        boolean isOverflow = StoredFieldHeader.isOverflow(fieldStatus);

        if (isOverflow)
                {

          // A fetched long column needs to be returned as a stream
                    //
          long overflowPage   =
                        CompressedNumber.readLong((InputStream) dataIn);

          int overflowId      =
                        CompressedNumber.readInt((InputStream) dataIn);

          // Prepare the stream for results...
          // create the byteHolder the size of a page, so, that it
                    // will fit the field Data that would fit on a page.
          MemByteHolder byteHolder =
                        new MemByteHolder(pageData.length);

          overflowIn = new OverflowInputStream(
                        byteHolder, owner, overflowPage,
                        overflowId, recordToLock);
        }

        // Deal with Object columns
View Full Code Here

                            "extensible fields not supported yet");
                    }

                    Object              column     = row[columnId];

                    OverflowInputStream overflowIn = null;

                    // SRW-DJD code assumes non-extensible case ...

                    if ((fieldStatus & StoredFieldHeader.FIELD_NONEXISTENT) !=
                                            StoredFieldHeader.FIELD_NONEXISTENT)
                    {
                        // normal path - field exists.

                        boolean isOverflow =
                            ((fieldStatus &
                                  StoredFieldHeader.FIELD_OVERFLOW) != 0);

                        if (isOverflow)
                        {

                            // A fetched long column is returned as a stream

                            long overflowPage   =
                                CompressedNumber.readLong((InputStream) dataIn);

                            int overflowId      =
                                CompressedNumber.readInt((InputStream) dataIn);

                            // Prepare the stream for results...
                            // create the byteHolder the size of a page, so,
                            // that it will fit the field Data that would fit
                            // on a page.

                            MemByteHolder byteHolder =
                                new MemByteHolder(pageData.length);

                            overflowIn = new OverflowInputStream(
                                byteHolder, owner, overflowPage,
                                overflowId, recordToLock);
                        }

                        // Deal with Object columns
View Full Code Here

                if (!StoredFieldHeader.isNonexistent(fieldStatus))
                {
                    boolean isOverflow =
                        StoredFieldHeader.isOverflow(fieldStatus);

                    OverflowInputStream overflowIn = null;

                    if (isOverflow)
                    {
                        // A fetched long column is returned as a stream
                        long overflowPage   =
                            CompressedNumber.readLong((InputStream) lrdi);

                        int overflowId      =
                            CompressedNumber.readInt((InputStream) lrdi);

                        // Prepare the stream for results...
                        // create the byteHolder the size of a page, so, that it
                        // will fit the field Data that would fit on a page.
                        MemByteHolder byteHolder =
                            new MemByteHolder(pageData.length);

                        overflowIn = new OverflowInputStream(
                            byteHolder, owner, overflowPage,
                            overflowId, recordToLock);
                    }

                    // Deal with Storable columns
View Full Code Here

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