protected override void Execute(CodeActivityContext activityContext)
{
QueryBase query = Query.Get(activityContext);
using (Context context = query.CreateContext(this, activityContext, ConnectionMode.AutoOpen, TransactionMode.AutoCommit))
{
query.InitializeQueryObject(context);
query.CheckDestinationTable();
}
}
protected override void Execute(CodeActivityContext activityContext)
{
QueryPartitionBase queryPartition = QueryPartition.Get(activityContext);
QueryBase query = queryPartition.Query;
using (Context context = queryPartition.CreateContext(this, activityContext, ConnectionMode.AutoOpen, TransactionMode.AutoCommit))
{
query.InitializeQueryObject(context);
queryPartition.PrepareDestinationTable(context, activityContext.GetExtension <IScheduler>());
}
}
protected override void Execute(CodeActivityContext activityContext)
{
QueryBase query = Query.Get(activityContext);
// Single server mode will run on one partition by definition,
// Graywulf mode has to look at the registry for available machines
switch (query.ExecutionMode)
{
case ExecutionMode.SingleServer:
query.InitializeQueryObject(null);
break;
case ExecutionMode.Graywulf:
using (Context context = ContextManager.Instance.CreateContext(this, activityContext, ConnectionMode.AutoOpen, TransactionMode.AutoCommit))
{
query.InitializeQueryObject(context);
query.CollectTablesForStatistics();
}
break;
default:
throw new NotImplementedException();
}
}
public virtual void PrepareCopyResultset(Context context)
{
query.InitializeQueryObject(context);
this.InitializeQueryObject(context);
}
