private static FilterSpecParam HandleRangeNode(
ExprBetweenNode betweenNode,
IDictionary<string, Pair<EventType, string>> arrayEventTypes,
ExprEvaluatorContext exprEvaluatorContext,
string statementName)
{
var left = betweenNode.ChildNodes[0];
if (left is ExprFilterOptimizableNode)
{
var filterOptimizableNode = (ExprFilterOptimizableNode) left;
var lookupable = filterOptimizableNode.FilterLookupable;
var op = FilterOperatorExtensions.ParseRangeOperator(
betweenNode.IsLowEndpointIncluded, betweenNode.IsHighEndpointIncluded,
betweenNode.IsNotBetween);
var low = HandleRangeNodeEndpoint(
betweenNode.ChildNodes[1], arrayEventTypes, exprEvaluatorContext, statementName);
var high = HandleRangeNodeEndpoint(
betweenNode.ChildNodes[2], arrayEventTypes, exprEvaluatorContext, statementName);
if ((low != null) && (high != null))
{
return new FilterSpecParamRange(lookupable, op, low, high);
}
}
return null;
}
public void TestRanges()
{
Assert.IsTrue(FilterOperatorExtensions.ParseRangeOperator(false, false, false) == FilterOperator.RANGE_OPEN);
Assert.IsTrue(FilterOperatorExtensions.ParseRangeOperator(true, true, false) == FilterOperator.RANGE_CLOSED);
Assert.IsTrue(FilterOperatorExtensions.ParseRangeOperator(true, false, false) == FilterOperator.RANGE_HALF_OPEN);
Assert.IsTrue(FilterOperatorExtensions.ParseRangeOperator(false, true, false) == FilterOperator.RANGE_HALF_CLOSED);
Assert.IsTrue(FilterOperatorExtensions.ParseRangeOperator(false, false, true) == FilterOperator.NOT_RANGE_OPEN);
Assert.IsTrue(FilterOperatorExtensions.ParseRangeOperator(true, true, true) == FilterOperator.NOT_RANGE_CLOSED);
Assert.IsTrue(FilterOperatorExtensions.ParseRangeOperator(true, false, true) == FilterOperator.NOT_RANGE_HALF_OPEN);
Assert.IsTrue(FilterOperatorExtensions.ParseRangeOperator(false, true, true) == FilterOperator.NOT_RANGE_HALF_CLOSED);
}