internal override GraphViewExecutionOperator Compile(QueryCompilationContext context, GraphViewCommand command)
{
var dropTargetParameter = Parameters[0] as WColumnReferenceExpression;
var dropTargetIndex = context.LocateColumnReference(dropTargetParameter);
List <string> populateColumns = new List <string>()
{
GremlinKeyword.TableDefaultColumnName
};
for (int i = 1; i < this.Parameters.Count; i++)
{
WValueExpression populateColumn = this.Parameters[i] as WValueExpression;
Debug.Assert(populateColumn != null, "populateColumn != null");
populateColumns.Add(populateColumn.Value);
}
var dropOp = new DropOperator(context.CurrentExecutionOperator, command, dropTargetIndex);
context.CurrentExecutionOperator = dropOp;
foreach (string columnName in populateColumns)
{
context.AddField(Alias.Value, columnName, ColumnGraphType.Value);
}
return(dropOp);
}
internal override GraphViewExecutionOperator Compile(QueryCompilationContext context, GraphViewConnection dbConnection)
{
var dropTargetParameter = Parameters[0] as WColumnReferenceExpression;
var dropTargetIndex = context.LocateColumnReference(dropTargetParameter);
var dropOp = new DropOperator(context.CurrentExecutionOperator, dbConnection, dropTargetIndex);
context.CurrentExecutionOperator = dropOp;
return(dropOp);
}