public override SQ.Entity OnBuildQueryNode(QueryBuilderContext context, bool allowReuse)
{
// Find a node
if (ChildContainer.ChildEntityNodes.Count > 1)
{
throw new Exception("Cross-join in report calculations are unsupported.");
}
SQ.Entity reportNode;
if (ChildContainer.ChildEntityNodes.Count == 0)
{
reportNode = new SingleRowNode( );
}
else
{
reportNode = ChildContainer.ChildEntityNodes.Single( ).BuildQueryNode(context, false);
}
// Attach conditions
ScalarExpression condition = Right.BuildQuery(context);
if (reportNode.Conditions == null)
{
reportNode.Conditions = new List <ScalarExpression>();
}
reportNode.Conditions.Add(condition);
return(reportNode);
}
protected override ScalarExpression OnBuildQuery(QueryBuilderContext context)
{
var result = new ComparisonExpression
{
Operator = InvertResult ? ComparisonOperator.NotLike : ComparisonOperator.Like,
Expressions = new List <ScalarExpression>
{
Left.BuildQuery(context),
Right.BuildQuery(context)
}
};
return(result);
}
protected override ScalarExpression OnBuildQuery(QueryBuilderContext context)
{
var result = new CalculationExpression
{
Operator = CalculationOperator.DateDiff,
DateTimePart = DateTimePart,
Expressions = new List <ScalarExpression>
{
Left.BuildQuery(context),
Right.BuildQuery(context)
}
};
return(result);
}
protected override ScalarExpression OnBuildQuery(QueryBuilderContext context)
{
var result = new CalculationExpression
{
Operator = CalculationOperator.DateAdd,
DateTimePart = DateTimePart,
InputType = InputType.Type,
Expressions = new List <ScalarExpression>
{
// Caution.. CalculationOperator.DateAdd was implemented backwards
Right.BuildQuery(context),
Left.BuildQuery(context)
}
};
return(result);
}
