public static Expr CreateColumnExpr(Context ctx, SrcList src, int srcId, int colId)
{
Expr p = Expr.Alloc(ctx, TK.COLUMN, null, false);
if (p != null)
{
SrcList.SrcListItem item = src.Ids[srcId];
p.Table = item.Table;
p.TableId = item.Cursor;
if (p.Table.PKey == colId)
{
p.ColumnIdx = -1;
}
else
{
p.ColumnIdx = (yVars)colId;
C.ASSERTCOVERAGE(colId == BMS);
C.ASSERTCOVERAGE(colId == BMS - 1);
item.ColUsed |= ((Bitmask)1) << (colId >= BMS ? BMS - 1 : colId);
}
E.ExprSetProperty(p, EP.Resolved);
}
return(p);
}