private void InitializeNodeInfo(Command command)
{
if (Op.IsRelOp
|| Op.IsPhysicalOp)
{
m_nodeInfo = new ExtendedNodeInfo(command);
}
else
{
m_nodeInfo = new NodeInfo(command);
}
command.RecomputeNodeInfo(this);
}
internal override void ComputeHashValue(Command cmd, Node n)
{
base.ComputeHashValue(cmd, n);
this.m_hashValue = this.m_hashValue << 4 ^ NodeInfo.GetHashValue(this.Definitions);
this.m_hashValue = this.m_hashValue << 4 ^ NodeInfo.GetHashValue(this.Keys.KeyVars);
}