@RPTCOL structure

Table F-6 shows the contents of the @RPTCOL structure.

**Table F-6: *@RPTCOL* structure contents**
Attribute	Length (Bytes)	Contents
@RPTCOL_NEXT	4	A pointer to the next @RPTCOL structure. Set the value of this node to null if it is the last column.
@RPTCOL_COL	4	A pointer to the column description structure (COL).
@RPTCOL_REDO	4	A pointer to the after image of the data. Set the value of this node to -1 (0xFFFFFFF) if the column has a null value.
@RPTCOL_UNDO	4	A pointer to the before image of the data. Set the value of this node to -1 (0xFFFFFFFF) if the column has a null value, or to 0 (null) for inserts and deletes.
@RPTCOL_REDO_LENGTH	2	The binary length of the redo data.
@RPTCOL_UNDO_LENGTH	2	The binary length of the undo data.
LECRSV4	2	Reserved.