/**
* Method declaration
*
*
* @return
*
* @throws Exception
*/
public Node getLeft()
{
if (Trace.ASSERT)
{
Trace.assert(iBalance != -2);
}
if (iLeft == 0)
{
return(nLeft);
}
// rData.iLastAccess=Row.iCurrentAccess++;
return(rData.getNode(iLeft, iId));
}
/**
* Method declaration
*
*
* @param s
*
* @throws Exception
*/
public void setIndexRoots(string s)
{
// the user may try to set this; this is not only internal problem
Trace.check(bCached, Trace.TABLE_NOT_FOUND);
int j = 0;
for (int i = 0; i < iIndexCount; i++)
{
int n = s.IndexOf(' ', j);
int p = s.Substring(j, n).ToInt32();
if (p != -1)
{
Row r = cCache.getRow(p, this);
Node f = r.getNode(i);
getIndex(i).setRoot(f);
}
j = n + 1;
}
iIdentityId = s.Substring(j).ToInt32();
}
/**
* Method declaration
*
*
* @param pos
* @param index
*
* @return
*
* @throws Exception
*/
public Node getNode(int pos, int index)
{
// return getRow(pos).getNode(index);
Row r = tTable.cCache.getRow(pos, tTable);
r.iLastAccess = iCurrentAccess++;
return(r.getNode(index));
}
/**
* Method declaration
*
*
* @param row
* @param c
* @param log
*
* @throws Exception
*/
public void insertNoCheck(object[] row, Channel c,
bool log)
{
int i;
if (iIdentityColumn != -1)
{
if (row[iIdentityColumn] == null)
{
if (c != null)
{
c.setLastIdentity(iIdentityId);
}
row[iIdentityColumn] = iIdentityId++;
}
else
{
i = (int) row[iIdentityColumn];
if (iIdentityId <= i)
{
if (c != null)
{
c.setLastIdentity(i);
}
iIdentityId = i + 1;
}
}
}
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));
}
}
/**
* Method declaration
*
*
* @param row
* @param c
* @param log
*
* @throws Exception
*/
public void insertNoCheck(object[] row, Channel c,
bool log)
{
int i;
if (iIdentityColumn != -1)
{
if (row[iIdentityColumn] == null)
{
if (c != null)
{
c.setLastIdentity(iIdentityId);
}
row[iIdentityColumn] = iIdentityId++;
}
else
{
i = (int)row[iIdentityColumn];
if (iIdentityId <= i)
{
if (c != null)
{
c.setLastIdentity(i);
}
iIdentityId = i + 1;
}
}
}
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));
}
}
