protected override Expression VisitExists(ExistsExpression existsExpression)
{
var parentSearchCondition = _isSearchCondition;
_isSearchCondition = false;
var subquery = (SelectExpression)Visit(existsExpression.Subquery);
_isSearchCondition = parentSearchCondition;
return(ApplyConversion(existsExpression.Update(subquery), condition: true));
}
protected override Expression VisitExists(ExistsExpression existsExpression)
{
var parentOptimize = _optimize;
_optimize = false;
var subquery = (SelectExpression)Visit(existsExpression.Subquery);
_optimize = parentOptimize;
return(ApplyConversion(existsExpression.Update(subquery), condition: true));
}
protected override Expression VisitExists(ExistsExpression existsExpression)
{
var canOptimize = _canOptimize;
_canOptimize = false;
var newSubquery = (SelectExpression)Visit(existsExpression.Subquery);
_canOptimize = canOptimize;
return(existsExpression.Update(newSubquery));
}
protected override Expression VisitExists(ExistsExpression x)
{
return(x?.Update(x.Subquery.VisitNode(this)));
}