public Node GetLeft()
{
if (Trace.AssertEnabled)
{
Trace.Assert(iBalance != -2);
}
if (iLeft == 0)
{
return(nLeft);
}
// rData.iLastAccess=Row.iCurrentAccess++;
return(rData.GetNode(iLeft, iId));
}
public Node GetNode(int pos, int index)
{
Row r = tTable.cCache.GetRow(pos, tTable);
r.LastAccess = CurrentAccess++;
return(r.GetNode(index));
}
public void InsertNoCheck(object[] row, Channel c, bool log)
{
int i;
if (iIdentityColumn != -1)
{
if (row[iIdentityColumn] == null)
{
if (c != null)
{
c.LastIdentity = iIdentityId;
}
row[iIdentityColumn] = iIdentityId++;
}
else
{
i = (int)row[iIdentityColumn];
if (iIdentityId <= i)
{
if (c != null)
{
c.LastIdentity = i;
}
iIdentityId = i + 1;
}
}
}
if (iTimestampColumn != -1)
{
if (row[iTimestampColumn] == null)
{
row[iTimestampColumn] = DateTime.Now;
}
else
{
DateTime timestamp = DateTime.Now;
DateTime original = (DateTime)row[iTimestampColumn];
// just in case to assure our timestamp is unique
if (timestamp == original)
{
row[iTimestampColumn] = timestamp.AddMilliseconds(1);
}
else
{
row[iTimestampColumn] = timestamp;
}
}
}
for (i = 0; i < iColumnCount; i++)
{
if (row[i] == null && !GetColumn(i).IsNullable)
{
throw Trace.Error(Trace.TRY_TO_INSERT_NULL);
}
}
try
{
Row r = new Row(this, row);
for (i = 0; i < iIndexCount; i++)
{
Node n = r.GetNode(i);
GetIndex(i).Insert(n);
}
}
catch (Exception e)
{ // rollback insert
for (--i; i >= 0; i--)
{
GetIndex(i).Delete(row, i == 0);
}
throw e; // and throw error again
}
if (c != null)
{
c.AddTransactionInsert(this, row);
}
if (lLog != null)
{
lLog.Write(c, GetInsertStatement(row));
}
}
public void InsertNoCheck(object[] row, Channel c, bool log)
{
int i;
if (iIdentityColumn != -1)
{
if (row[iIdentityColumn] == null)
{
if (c != null)
{
c.LastIdentity = iIdentityId;
}
row[iIdentityColumn] = iIdentityId++;
}
else
{
i = (int) row[iIdentityColumn];
if (iIdentityId <= i)
{
if (c != null)
{
c.LastIdentity = i;
}
iIdentityId = i + 1;
}
}
}
if (iTimestampColumn != -1)
{
if (row[iTimestampColumn] == null)
{
row[iTimestampColumn] = DateTime.Now;
}
else
{
DateTime timestamp = DateTime.Now;
DateTime original = (DateTime) row[iTimestampColumn];
// just in case to assure our timestamp is unique
if ( timestamp == original )
{
row[iTimestampColumn] = timestamp.AddMilliseconds(1);
}
else
{
row[iTimestampColumn] = timestamp;
}
}
}
for (i = 0; i < iColumnCount; i++)
{
if (row[i] == null &&!GetColumn(i).IsNullable)
{
throw TracingHelper.Error(TracingHelper.TRY_TO_INSERT_NULL);
}
}
try
{
Row r = new Row(this, row);
for (i = 0; i < iIndexCount; i++)
{
Node n = r.GetNode(i);
GetIndex(i).Insert(n);
}
}
catch (Exception e)
{ // rollback insert
for (--i; i >= 0; i--)
{
GetIndex(i).Delete(row, i == 0);
}
throw e; // and throw error again
}
if (c != null)
{
c.AddTransactionInsert(this, row);
}
if (lLog != null)
{
lLog.Write(c, GetInsertStatement(row));
}
}