internal override GraphViewExecutionOperator Compile(QueryCompilationContext context, GraphViewConnection dbConnection)
{
var nodeIdParameter = Parameters[0] as WColumnReferenceExpression;
var nodeIdIndex = context.LocateColumnReference(nodeIdParameter);
var dropNodeOp = new DropNodeOperator(context.CurrentExecutionOperator, dbConnection, nodeIdIndex);
context.CurrentExecutionOperator = dropNodeOp;
return(dropNodeOp);
}
private void DropVertex(VertexField vertexField)
{
RawRecord record = new RawRecord();
record.Append(new StringField(vertexField.VertexId)); // nodeIdIndex
DropNodeOperator op = new DropNodeOperator(this.dummyInputOp, this.connection, 0);
op.DataModify(record);
// Now VertexCacheObject has been updated (in DataModify)
}
internal GraphViewExecutionOperator Compile2(QueryCompilationContext context, GraphViewConnection dbConnection)
{
WColumnReferenceExpression dropTargetParameter = Parameters[0] as WColumnReferenceExpression;
Debug.Assert(dropTargetParameter != null, "dropTargetParameter != null");
int dropTargetIndex = context.LocateColumnReference(dropTargetParameter);
//
// A new DropOperator which drops target based on its runtime type
//
DropNodeOperator dropOp = new DropNodeOperator(context.CurrentExecutionOperator, dbConnection, dropTargetIndex);
context.CurrentExecutionOperator = dropOp;
return(dropOp);
}
