public CaseWhenPair VisitChildren(ExpressionTreeVisitor visitor)
{
var newWhen = visitor.VisitExpression(_when);
var newThen = visitor.VisitExpression(_then);
return(Update(newWhen, newThen));
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newField = (LuceneQueryFieldExpression)visitor.VisitExpression(field);
var newLower = visitor.VisitExpression(lower);
var newUpper = visitor.VisitExpression(upper);
return((newField == field && newLower == lower && newUpper == upper) ? this :
new LuceneRangeQueryExpression(newField, newLower, lowerQueryType, newUpper, upperQueryType, occur));
}
private void GenerateSqlForPrefixOperator(string sqlOperatorString, Expression left, Expression right)
{
_commandBuilder.Append(sqlOperatorString);
_commandBuilder.Append(" (");
_expressionVisitor.VisitExpression(left);
_commandBuilder.Append(", ");
_expressionVisitor.VisitExpression(right);
_commandBuilder.Append(")");
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newMatchExpression = visitor.VisitExpression(Match);
var newPatternExpression = visitor.VisitExpression(Pattern);
return(newMatchExpression != Match ||
newPatternExpression != Pattern
? new LikeExpression(newMatchExpression, newPatternExpression)
: this);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newField = (LuceneQueryFieldExpression)visitor.VisitExpression(QueryField);
var newPattern = visitor.VisitExpression(QueryPattern);
return((newPattern == QueryPattern && newField == QueryField) ? this : new LuceneQueryPredicateExpression(newField, newPattern, Occur)
{
AllowSpecialCharacters = AllowSpecialCharacters
});
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newLeftExpression = visitor.VisitExpression(_left);
var newRightExpression = visitor.VisitExpression(_right);
var newEscapeExpression = visitor.VisitExpression(_escapeExpression);
if (newLeftExpression != _left || newRightExpression != _right || newEscapeExpression != _escapeExpression)
{
return(new SqlLikeExpression(newLeftExpression, newRightExpression, newEscapeExpression));
}
return(this);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newLeftExpression = visitor.VisitExpression(_leftExpression);
var newRightExpression = visitor.VisitExpression(_rightExpression);
if (newLeftExpression != _leftExpression || newRightExpression != _rightExpression)
{
return(new SqlInExpression(newLeftExpression, newRightExpression));
}
else
{
return(this);
}
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newCases = visitor.VisitList(_cases, p => p.VisitChildren(visitor));
var newElseCase = _elseCase != null?visitor.VisitExpression(_elseCase) : null;
return(Update(newCases, newElseCase));
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression(Expression);
return(newExpression != Expression
? new NhStarExpression(newExpression)
: this);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newPredicate = visitor.VisitExpression(_predicate);
return(_predicate != newPredicate
? new DiscriminatorPredicateExpression(newPredicate, QuerySource)
: this);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression(_operand);
return(newExpression != _operand
? new IsNotNullExpression(newExpression)
: this);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
ArgumentUtility.CheckNotNull("visitor", visitor);
var newKeyExpression = visitor.VisitExpression(KeyExpression);
var newElementExpression = visitor.VisitExpression(ElementExpression);
var originalAggregationExpressions = AggregationExpressions;
var newAggregationExpressions = visitor.VisitAndConvert(originalAggregationExpressions, "VisitChildren");
if (newKeyExpression != KeyExpression ||
newElementExpression != ElementExpression ||
newAggregationExpressions != originalAggregationExpressions)
{
var newSqlGroupingSelectExpression = new SqlGroupingSelectExpression(newKeyExpression, newElementExpression, newAggregationExpressions);
return(newSqlGroupingSelectExpression);
}
return(this);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression(BinaryExpression);
if (ReferenceEquals(BinaryExpression, newExpression))
{
return(this);
}
return(new BoostBinaryExpression((BinaryExpression)newExpression, Boost));
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression(_expression);
if (newExpression != _expression)
{
return(new SqlConvertedBooleanExpression(newExpression));
}
return(this);
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newPattern = visitor.VisitExpression(pattern);
if (Equals(pattern, newPattern))
{
return(this);
}
return(new AllowSpecialCharactersExpression(newPattern));
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var result = visitor.VisitExpression(_expression);
if (result != _expression)
{
return(new TestExtensionExpression(result));
}
return(this);
}
public override void VisitWhereClause(Remotion.Linq.Clauses.WhereClause whereClause, QueryModel queryModel, int index)
{
bool alreadyHasQuery = false;
var query = new StringBuilder();
queries.Add(query);
ExpressionTreeVisitor visitor = new ExpressionTreeVisitor(query);
visitor.VisitExpression(whereClause.Predicate);
base.VisitWhereClause(whereClause, queryModel, index);
}
protected internal override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression(_comparison);
if (newExpression != _comparison)
{
return(new VBStringComparisonExpression(newExpression, _textCompare));
}
else
{
return(this);
}
}
protected internal override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newEvaluatedExpression = visitor.VisitExpression(_evaluatedExpression);
if (newEvaluatedExpression != _evaluatedExpression)
{
return(new PartialEvaluationExceptionExpression(_exception, newEvaluatedExpression));
}
else
{
return(this);
}
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newChild = visitor.VisitExpression(Child);
if (newChild != Child)
{
return(new CustomCompositeExpression(Type, newChild));
}
else
{
return(this);
}
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newSource = visitor.VisitExpression(_source);
if (newSource != _source)
{
return(new SqlConvertExpression(Type, newSource));
}
else
{
return(this);
}
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newExpression = visitor.VisitExpression(_expression);
if (newExpression != _expression)
{
return(new SqlExistsExpression(newExpression));
}
else
{
return(this);
}
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newPrimaryKeyExpression = visitor.VisitExpression(_identityExpression);
if (newPrimaryKeyExpression != _identityExpression)
{
return(new SqlEntityConstantExpression(Type, _value, newPrimaryKeyExpression));
}
else
{
return(this);
}
}
protected internal override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
ArgumentUtility.CheckNotNull("visitor", visitor);
var newExpression = visitor.VisitExpression(_comparison);
if (newExpression != _comparison)
{
return(new VBStringComparisonExpression(newExpression, _textCompare));
}
else
{
return(this);
}
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
ArgumentUtility.CheckNotNull("visitor", visitor);
var newExpression = visitor.VisitExpression(_expression);
if (newExpression != _expression)
{
return(new SqlLengthExpression(newExpression));
}
else
{
return(this);
}
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
CheckNotNull("visitor", visitor);
var newExpression = visitor.VisitExpression(_expression);
if (newExpression != _expression)
{
return(new NamedExpression(_name, newExpression));
}
else
{
return(this);
}
}
protected internal override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
ArgumentUtility.CheckNotNull("visitor", visitor);
var newEvaluatedExpression = visitor.VisitExpression(_evaluatedExpression);
if (newEvaluatedExpression != _evaluatedExpression)
{
return(new PartialEvaluationExceptionExpression(_exception, newEvaluatedExpression));
}
else
{
return(this);
}
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
ArgumentUtility.CheckNotNull("visitor", visitor);
var newExpression = visitor.VisitExpression(_expression);
if (newExpression != _expression)
{
return(new AggregationExpression(Type, newExpression, _aggregationModifier));
}
else
{
return(this);
}
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
ArgumentUtility.CheckNotNull("visitor", visitor);
var newOrderings = Orderings.Select(
o =>
{
var newExpression = visitor.VisitExpression(o.Expression);
return(newExpression != o.Expression ? new Ordering(newExpression, o.OrderingDirection) : o);
}).ToArray();
if (!newOrderings.SequenceEqual(Orderings))
{
return(new SqlRowNumberExpression(newOrderings));
}
else
{
return(this);
}
}
protected override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
var newInnerExpression = visitor.VisitExpression(_expression);
return(newInnerExpression != _expression ? new AliasExpression(Alias, newInnerExpression) : this);
}
protected internal override Expression VisitChildren(ExpressionTreeVisitor visitor)
{
ArgumentUtility.CheckNotNull("visitor", visitor);
return(visitor.VisitExpression(this));
}