public override Expression VisitSqlRoot(SqlRootExpression expression, object context)
{
if (expression.TableExpressions.Count == 0)
{
return(expression);
}
List <TableExpression> newTableExpressions = null;
for (var i = 0; i < expression.TableExpressions.Count; i++)
{
TableExpression tableExpression = expression.TableExpressions[i];
// process only normalized predicates. Ignore Sort as it has its own visitor.
if (tableExpression.Kind != TableExpressionKind.Sort && tableExpression.NormalizedPredicate?.AcceptVisitor(Scout.Instance, context) == true)
{
EnsureAllocatedAndPopulated(ref newTableExpressions, expression.TableExpressions, i);
// If this is the first expression, we need to add another expression before it
if (i == 0)
{
// seed with all resources so that we have something to restrict
newTableExpressions.Add(
new TableExpression(
tableExpression.SearchParameterQueryGenerator,
null,
tableExpression.DenormalizedPredicate,
TableExpressionKind.All));
}
newTableExpressions.Add((TableExpression)tableExpression.AcceptVisitor(this, context));
}
else
{
newTableExpressions?.Add(tableExpression);
}
}
if (newTableExpressions == null)
{
return(expression);
}
return(new SqlRootExpression(newTableExpressions, expression.DenormalizedExpressions));
}
public override Expression VisitSqlRoot(SqlRootExpression expression, object context)
{
if (expression.TableExpressions.Count == 0)
{
return(expression);
}
List <TableExpression> newTableExpressions = null;
for (var i = 0; i < expression.TableExpressions.Count; i++)
{
TableExpression tableExpression = expression.TableExpressions[i];
if (tableExpression.NormalizedPredicate.AcceptVisitor(Scout.Instance, null))
{
EnsureAllocatedAndPopulated(ref newTableExpressions, expression.TableExpressions, i);
if (expression.TableExpressions.Count == 1)
{
// seed with all resources so that we have something to restrict
newTableExpressions.Add(
new TableExpression(
tableExpression.SearchParameterQueryGenerator,
null,
tableExpression.DenormalizedPredicate,
TableExpressionKind.All));
}
newTableExpressions.Add((TableExpression)tableExpression.AcceptVisitor(this, context));
}
else
{
newTableExpressions?.Add(tableExpression);
}
}
if (newTableExpressions == null)
{
return(expression);
}
return(new SqlRootExpression(newTableExpressions, expression.DenormalizedExpressions));
}
