protected override Expression VisitLuceneRangeQueryExpression(LuceneRangeQueryExpression expression)
{
var mapping = fieldMappingInfoProvider.GetMappingInfo(expression.QueryField.FieldName);
var query = CreateRangeQuery(mapping, expression.LowerQueryType, expression.Lower, expression.UpperQueryType, expression.Upper);
queries.Push(new BooleanQuery {
{ query, expression.Occur }
});
return(base.VisitLuceneRangeQueryExpression(expression));
}
protected virtual Expression VisitLuceneRangeQueryExpression(LuceneRangeQueryExpression expression)
{
var lower = VisitExpression(expression.Lower);
var upper = VisitExpression(expression.Upper);
var field = VisitExpression(expression.QueryField);
if (ReferenceEquals(lower, expression.Lower) && ReferenceEquals(upper, expression.Upper) &&
ReferenceEquals(field, expression.QueryField))
{
return(expression);
}
return(new LuceneRangeQueryExpression((LuceneQueryFieldExpression)field,
(LuceneQueryPredicateExpression)lower, expression.LowerQueryType,
(LuceneQueryPredicateExpression)upper, expression.UpperQueryType));
}